Chulkova G., Petrova E., AIP Publishing LLC, 2022

The article describes the possible application of photonic circuits on a chip to create a Raman spectrometer, which, using new approaches of quantum optics and photonics, allows to obtain exclusive information about the viruses presence. The new type of Raman spectrometer will be a miniature photonic integrated circuit connected to superconducting single-photon detectors. The need ...

Added: November 8, 2022

Судакова М. С., Владов М. Л., ГЕОС, 2017

Данное пособие отражает курс лекций, читаемых авторами для студентов последних курсов на геологическим факультете МГУ имени М.В. Ломоносова по курсу Георадиолокация. В пособии освещаются краткая история появления и развития метода георадиолокации, его соотношение с другими, более традиционными геофизическими методами, его достоинства и недостатки. Изложена теория метода георадиолокация, физические основы распространения высокочастотных злектромагнитных волн в средах ...

Added: October 30, 2022

The terahertz range is a modern, actively developing scientific field with numerous applications. Similar to the optical and infrared ranges, photonic integrated circuits (PICs) have also begun to develop in the terahertz range, which have the functionality of devices in free space, but have small dimensions and high efficiency. Presently, there are many different implementations ...

Added: October 29, 2022

This paper investigates the thermo-optical (TO) effect of misaligned polymer wire bonds (PWB) connecting planar silicon nitride waveguides. To characterize the fabricated devices, we measured the optical transmission through PWBs by changing the chip temperature in the range from 30◦C to 80◦C. We used an experimental setup, which included a tunable laser source in the ...

Added: October 29, 2022

Methods of Stokes profile inversion based on spectral polarization analysis represent a powerful tool for obtaining information on magnetic and thermodynamic properties in the solar atmosphere. However, these methods involve solving the radiation transport equation. Over the past decades, several approaches have been developed to provide an analytical solution to the inverse problem, but despite ...

Added: October 28, 2022

Цымбал А. А., Бикметов А. Р., Национальный исследовательский университет "Московский институт электронной техники", 2020

The paper shows the uniformity or coincidence of the average number of small innovative enterprises in universities that have business accelerators in their structure and universities that do not have such business accelerators. Homogeneity was established using the student's statistical criterion based on data from 290 universities in the Russian Federation. ...

Added: October 27, 2022

Zhukov A., Institute of Physics Publishing (IOP), 2021

8th International School and Conference "Saint-Petersburg OPEN 2021" on Optoelectronics, Photonics, Engineering and Nanostructures was held on May 25 - 28, 2021. The Organizers of the conference are the National Research University "Higher School of Economics" and Alferov Saint Petersburg National Research Academic University of the Russian Academy of Sciences. More than 300 participants from ...

Added: October 26, 2022

Abrashkin A. A., М. : Эдиториал УРСС, 2022

Книга состоит из двух частей. Первая (главы 1–3) служит популярным изложением развития взглядов на структуру Вселенной с древнейших времен до наших дней. Прослежены этапы становления теории Большого взрыва. Природа точки сингулярности выделена автором как главная нерешенная проблема этой теории.
Вторая часть книги носит оригинальный характер. В главах 4 и 5 предложена физическая модель первичного вакуума, который существовал до ...

Added: October 13, 2022

Zhurikhina V. V., Липовский А. А., СПб. : Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого", 2021

Настоящее пособие посвящено приближению эффективной среды Максвелла Гарнетта и связанным с ним теориям. В круг рассматриваемых вопросов входят поправка на локальное поле Лоренца, соотношение Клаузиуса-Моссотти и его роль в современном численном методе - приближении дискретных диполей, формула эффективной среды Максвелла Гарнетта для изотропных и анизотропных сред, многокомпонентные смеси и уравнение Бруггемана, понятие гладкого поля и ...

Added: September 22, 2022

The Higgs boson discovery at the Large Hadron Collider in 2012 relied on boosted decision trees. Since then, high energy physics (HEP) has applied modern machine learning (ML) techniques to all stages of the data analysis pipeline, from raw data processing to statistical analysis. The unique requirements of HEP data analysis, the availability of high-quality ...

Added: September 21, 2022

Maslov V., Ижевский институт компьютерных исследований, 2021

Since 1938, when superfluidity was discovered, the following problem had to be posed: to find such a temperature distribution that at zero temperature would give non-zero energy. The old thermodynamics brought all motion to a halt. Apparently, only the quantization of thermodynamics, which was carried out by the author, makes it possible to present such ...

Added: September 4, 2022

CEUR Workshop Proceedings, 2021

The discovery of gamma-ray burst (GRB) host galaxy back in 1997 brought confirmation of GRBs cosmological origin. Nowadays investigation of the host galaxies often is the only way to estimate the cosmological redshift of GRB sources. The morphology of host galaxies gives clues to the nature of the environment, where the GRBs were born, and ...

Added: August 17, 2022

Maslov, Victor P., Shvedov O., De Gruyter, 2022

In this monograph we study the problem of construction of asymptotic solutions of equations for functions whose number of arguments tends to infinity as the small parameter tends to zero. Such equations arise in statistical physics and in quantum theory of a large number of fi elds. We consider the problem of renormalization of quantum ...

Added: July 1, 2022

Ададуров С. Е., Алексеев А. М., Анисимов В. А. et al., М. : ООО "Издательство "ЛЕМА", 2020

В коллективной монографии членов и научных партнеров Объединенного ученого совета ОАО «РЖД», объединяющего ведущих представителей отраслевой и фундаментальной российской науки, отражены ключевые вопросы научной поддержки перевозочного процесса и управления товарными потоками на железнодорожном транспорте, повышения эффективности его деятельности на основе клиентоориентированности и логистических принципов.
Рассмотрены системные вопросы развития логистических технологий, научные принципы прогнозирования и планирования железнодорожных ...

Added: February 4, 2022

Trunin M., Левиев Г. И., М. : Издательский дом НИУ ВШЭ, 2022

Учебное пособие представляет собой сборник оригинальных задач, составленный в полном соответствии с учебной программой школьного курса физики. Особенность издания — в процедуре решения задач, развивающей у школьников способность самостоятельно думать. Большая часть задач составлена на основе реальных наблюдений и ситуаций, что позволяет ученику легко представить себе условие. Первая часть пособия содержит основные формулы и определения ...

Added: February 1, 2022

Zotov L., НИУ ВШЭ, 2022

The work is devoted to the consideration of geophysical processes that cause the motion of the pole and changes in the length of the day. Particular attention is paid to the Chandler wobble. The method of its extraction and geodesic excitation reconstruction is developed. Atmospheric and oceanic excitation functions are investigated in the Chandler frequency ...

Added: December 7, 2021

Lubashevsky I., Gafiychuk V., Lviv : VNTL Publishers, 2001

The proposed monograph is devoted to development of the mathematical methods for investigation of nonlinear dynamics of free boundary problems arising in distributed media. We introduce a new approach to describe the dynamics of interfacial pattern formation. A theory of interface dynamics of free boundaries is developed for the whole class of non-equilibrium effects, which ...

Added: November 5, 2021

Lubashevsky I., Gafiychuk V., Lviv : VNTL Publishers, 1999

In the present monograph we formulate mathematical model for heat transfer in living tissue with self-regulation. Basing on the well known equivalence of the diffusion type process and random walks, we develop a certain regular procedure that enables us to average the mesoscopic equations describing heat transfer in living tissue practically over all scales of ...

Added: November 5, 2021

Lubashevsky I., Mahnke R., Kaupuzs J., Weinheim : Wiley-VCH, 2009

Based on lectures given by one of the authors with many years of experience in teaching stochastic processes, this textbook is unique in combining basic mathematical and physical theory with numerous simple and sophisticated examples as well as detailed calculations. In addition, applications from different fields are included so as to strengthen the background learned in ...

Added: November 5, 2021

Букатин А. С., Mukhin M., Мухин И. С., СПб. : Издательско-полиграфическая ассоциация высших учебных заведений, 2021

В настоящее время активно развивается направление разработки и соз- дания портативных устройств экспресс-анализа биологических проб для биомедицинской диагностики и экологического мониторинга. Во многих из них используются разнообразные микрофлюидные устройства и тех- нологии, обеспечивающие возможность уникальных исследований, в том числе на уровне единичных клеток и молекул. Разработка и создание микрофлюидных устройств является достаточно сложной задачей, требующей ...

Added: October 29, 2021

Vagov A., Axt V. M., Seidelman T. et al., Physical Review Letters 2022 Vol. 129 P. 193604

Entangled photon pairs are key to many novel applications in quantum technologies. Semiconductor quantum dots can be used as sources of on-demand, highly entangled photons. The fidelity to a fixed maximally entangled state is limited by the excitonic fine-structure splitting. This work demonstrates that, even if this splitting is absent, the degree of entanglement cannot ...

Added: December 1, 2022

Vagov A., Perebeinos V., Gulevich D. et al., Nanomaterials 2022 Vol. 21 No. 12 P. 3728

Charged excitons or trions are essential for optical spectra in low-dimensional doped monolayers (ML) of transitional metal dichalcogenides (TMDC). Using a direct diagonalization of the three-body Hamiltonian, we calculate the low-lying trion states in four types of TMDC MLs as a function of doping and dielectric environment. We show that the fine structure of the ...

Added: December 1, 2022

Burov A. A., Nikonov V., Guerman A., Acta Astronautica 2022

We study here the local minima, maxima, and saddle points of the augmented potential on the surface of a small celestial body with application to comet (67P) Churyumov-Gerasimenko. The isolines of the augmented potential on this surface are determined, in particular, those corresponding to the saddle points. The results are applied to reveal the correlation ...

Added: November 30, 2022

Polydiphenylenephthalide (PDF) belongs to the class of organic dielectrics, which exhibit electric conductive properties when an external electrostatic field and/or mechanical stress is applied. In this work, the transport properties of thin-film layered lead–PDF–lead structures were experimentally studied in a wide temperature range. At sufficiently high temperatures, the volt–ampere dependences are satisfactorily described in terms ...

Added: November 25, 2022

Bolometers based on graphene have demonstrated
outstanding performance with high sensitivity and short
response time. In-situ adjustment of bolometers is very
important in various applications, but it is still difficult to
implement in many systems. Here we propose a gate-tunable
bolometer based on two strongly-coupled graphene
nanomechanical resonators. Both resonators are exposed to
the same light field, and we can measure the ...

Added: November 25, 2022

Yaroslavtsev S. A., Vostrov N. I., Novikova Svetlana A. et al., Journal of Physical Chemistry C 2020 Vol. 124 No. 24 P. 13026-13035

Studies of lithium iron phosphates doped with Mg, Mn, Co, and Ni were carried out at different
stages of electrochemical charging using 57Fe Mössbauer spectroscopy. Multi-spectrum fitting
method was used to analyze spectra measured at different temperatures. This made it possible to
detect and characterize various local states of iron cations with different cationic environments.
The feature of charging ...

Added: November 25, 2022

Karabassov T., Bobkova I. V., Golubov A. et al., Physical Review B: Condensed Matter and Materials Physics 2022

It is well-known that the ground state of homogeneous superconducting systems with spin-orbit
coupling (SOC) in the presence of the Zeeman field is the so-called helical state, which is characterized
by the phase modulation of the order parameter, but zero supercurrent density. In this work
we investigate the realization of the helical state in a hybrid system with ...

Added: November 24, 2022

Экспериментально исследованы R(T) зависимости тонких сверхпроводящих пленок алюминия, изготовленных на подложках из лейкосапфира и арсенида галлия методом электронно-лучевого распыления и молекулярно-лучевой эпитаксии. Безотносительно к морфологии, был обнаружен заметный рост критической температуры сверхпроводящего перехода с уменьшением толщины пленки. Эффект интерпретируется как проявление квантового размерного эффекта. ...

Added: November 24, 2022

Polydiphenylenephthalide (PDP) belongs to the class of carbocyclic organic electroactive polymers,
which exhibit electric conductive properties when an external electric field and/or mechanical stress is
applied. In this work, the transport properties of thin-film layered lead–PDP–lead structures were
experimentally studied in a wide temperature range. At sufficiently high temperatures, the current
voltage characteristics are satisfactorily described in terms of ...

Added: November 24, 2022

Arutyunov K., Lehtinen J., Physical Review Letters 2022 Vol. 128 P. 159702-159703

Comment LEK1147 on ``Coulomb blockade and Bloch oscillations in superconducting Ti
nanowires'' by E. V. Il'ichev, V. V. Ryazanov, and O. V. Astafiev ...

Added: November 24, 2022

Алиев Р. А., Scientific Reports 2020 Vol. 10 No. 1 Article 508

Method for production of alpha emitter 149 Tb by irradiation of 151 Eu with 70 MeV 3 He nuclei is proposed. For the first time, the cross sections for the formation of isotopes 149,150,151,152 Tb were measured experimentally using a stack foil technique in the 3 He particles energy range 70 → 12 MeV. The ...

Added: November 23, 2022

Aleksandrov N.L., Starikovsky A. Y., Bazelyan E. M., Plasma Sources Science and Technology 2022 Vol. 31 No. 11 Article 114009

A 2D numerical simulation of the positive streamer properties was performed in 9–12 cm plane-to-plane air gaps for various pressures and water vapor contents. It was shown that an increase in air humidity leads to hampering the streamer development and to increasing the average critical electric field required for bridging the discharge gap. The effect ...

Added: November 21, 2022

Ponomarenko A., Ermoshkin A., Kosteev D. et al., Journal of Marine Science and Engineering 2022 Vol. 10 No. 6

Underwater acoustic echosounding for surface roughness parameters retrieval is studied in a frequency band that is relatively new for such purposes. During the described 2-weeks sea experiment, 1–3 kHz tonal pulses were emitted from an oceanographic platform, located on the northern Black Sea shelf. Doppler spectra of the resulting reverberation were studied. The frequency band ...

Added: November 21, 2022

Utesov O., Physical Review B: Condensed Matter and Materials Physics 2022 Vol. 106 Article 174408

Spin waves in noncollinear magnets with Cnv symmetry are discussed in the context of inelastic neutron
scattering in small-angle scattering geometry. In the framework of aminimal model including exchange coupling,
Dzyaloshinskii-Moriya interaction (DMI), and single-ion anisotropy, we consider the system properties at
moderate external magnetic fields and in the high-field fully polarized phase. In the latter case, the ...

Added: November 21, 2022

Flamarion M. V., Pelinovsky E., Chaos, Solitons and Fractals 2022 Vol. 165 No. 2 Article 112889

The aim of this work is to study asymptotically and numerically the interaction of solitons with an external
forcing with a variable speed using the forced modified Korteweg–de Vries equation (mKdV). We show that the
asymptotic predictions agree well with numerical solutions for forcings with constant speed and linear variable
speed. Regarding forcing with linear variable speed, we ...

Added: November 19, 2022

Balashev S., Experimental Astronomy 2022

Absorption lines from molecular hydrogen (H2) in the spectra of background sources are a powerful probe of the physical conditions in intervening cold neutral medium. At high redshift, z >2 , H2 lines are conveniently shifted in the optical domain, allowing the use of ground-based telescopes to perform high-resolution spectroscopy, which is essential for a proper ...

Added: November 18, 2022

Balashev S., Experimental Astronomy 2022 Vol. 12184 Article id. 121840A

We introduce the scientific motivations for the development of the Cassegrain U-Band Efficient Spectrograph (CUBES) that is now in construction for the Very Large Telescope. The assembled cases span a broad range of contemporary topics across Solar System, Galactic and extragalactic astronomy, where observations are limited by the performance of current ground-based spectrographs shortwards of ...

Added: November 18, 2022

Balashev S., Astronomy and Astrophysics 2022 Vol. 661 Article A134

We present the results of a spectroscopic analysis of extremely strong damped Lyα absorbers (ESDLAs; log N(H I) ≳ 21.7) observed with the medium resolution spectrograph, X-shooter at the Very Large Telescope (VLT). Recent studies in the literature indicate that ESDLAs probe gas from within the star-forming disk of the associated galaxies and thus ESDLAs ...

Added: November 18, 2022

Balashev S., Monthly Notices of the Royal Astronomical Society 2022 Vol. 516 No. 1 P. 1339-1346

We report the emergence of a new H I 21-cm absorption at zabs = 1.172 635 in the damped Lyα absorber (DLA) towards the γ-ray blazar PKS 2355-106 (zem~1.639) using science verification observations (2020 June) from the MeerKAT Absorption Line Survey (MALS). Since 2006, this DLA is known to show a narrow H I 21-cm absorption ...

Added: November 18, 2022

Mapping H I 21-cm in the Klemola 31 group at z = 0.029: emission and absorption towards PKS 2020-370

Balashev S., Monthly Notices of the Royal Astronomical Society 2022 Vol. 516 No. 2 P. 2050-2061

We present MeerKAT Absorption Line Survey (MALS) observations of the H I gas in the Klemola 31 galaxy group (z = 0.029), located along the line of sight to the radio-loud quasar PKS 2020-370 (z = 1.048). Four galaxies of the group are detected in H I emission, and H I absorption is also detected ...

Added: November 18, 2022

Novikov S. V., Charge transport in the spatially correlated exponential random energy landscape: effect of the non-positive correlation function / Cornell University. Series cond-mat "arxiv.org". 2022. No. 2209.14955.

Charge transport in amorphous semiconductors having spatially correlated exponential density of states (DOS) has been considered for the arbitrary behavior of the correlation function of random energies. Average carrier velocity is exactly calculated for the quasi-equilibrium (nondispersive) transport regime. For the symmetric exponential DOS with exponential tails for low and high energies and non-positive correlation ...

Added: November 1, 2022

Skopenkov M., Ustinov A., Feynman checkers: Minkowskian lattice quantum field theory / Cornell University. Серия arXiv "math". 2022.

We present a new completely elementary model which describes creation, annihilation and motion of non-interacting electrons and positrons along a line. It is a modification of the model known under the names Feynman checkers, or one-dimensional quantum walk, or Ising model at imaginary temperature. The discrete model is consistent with the continuum quantum field theory, ...

Added: October 23, 2022

Lunkin A., Feigelman M., High-frequency transport and zero-sound in an array of SYK quantum dots / Cornell University. Series cond-mat "arxiv.org". 2022.

We study an array of strongly correlated quantum dots of complex SYK type and account for the effects of quadratic terms added to the SYK Hamiltonian; both local terms and inter-dot tunneling are considered in the non-Fermi-liquid temperature range T≫TFL. Electric σ(ω,p) and thermal κ(ω,p) conductivities are calculated as functions of frequency and momentum, for ...

Added: June 24, 2022

Murod Bahovadinov, Kurlov D., Altshuler B. et al., Many-body localization of 1D disordered impenetrable two-component fermions / Cornell University. Series cond-mat "arxiv.org". 2021.

We study effects of disorder on eigenstates of 1D two-component fermions with infinitely strong Hubbard repulsion. We demonstrate that the spin-independent (potential) disorder reduces the problem to the one-particle Anderson localization taking place at arbitrarily weak disorder. In contrast, a random magnetic field can cause reentrant many-body localization-delocalization transitions. Surprisingly weak magnetic field destroys one-particle ...

Added: May 26, 2022

Gremyachikh L., Ustyuzhanin A., Станкевич А. et al., Learning velocity model for complex media with deep convolutional neural networks / . 2021.

The paper considers the problem of velocity model acquisition for a complex media based on boundary measurements. The acoustic model is used to describe the media. We used an open-source dataset of velocity distributions to compare the presented results with the previous works directly. Forward modeling is performed using the grid-characteristic numerical method. The inverse ...

Added: May 24, 2022

Ikhsanov R., Mazur E., Kagan M., Software Complex for the Numerical Solution of the Isotropic Imaginary-Axis Eliashberg Equations / Cornell University. Series "Working papers by Cornell University". 2022. No. 2202.01452.

At present, the task of searching for compounds with a high superconducting transition temperature is a very relevant scientific direction. Usually, the calculation of is carried out by numerically solving the system of Eliashberg equations. In this paper, a set of programs for solving this system written in various forms on the imaginary axis is ...

Added: February 4, 2022

Burovski E., Gamayun O., Lychkovskiy O., Mobile impurity in a one-dimensional quantum gas: Exact diagonalization in the Bethe Ansatz basis / Cornell University. Series cond-mat "arxiv.org". 2021. No. arXiv:2112.06627.

We consider a mobile impurity particle injected into a one-dimensional quantum gas. The time evolution of the system strongly depends on whether the mass of the impurity and the masses of the host particles are equal or not. For equal masses, the model is Bethe Ansatz solvable, but for unequal masses, the model is no longer integrable and the ...

Added: December 14, 2021

Min N., Loubenets E. R., Violation of general Bell inequalities by a pure bipartite quantum state / . 2021. No. arXiv:2110.08859.

In the present article, based on the formalism introduced in [Loubenets, J. Math. Phys. 53, 022201 (2012)], we derive for a pure bipartite quantum state a new upper bound on its maximal violation of general Bell inequalities. This new bound indicates that, for an infinite dimensional pure bipartite state with a finite sum of its ...

Added: November 9, 2021

Min N., Violation of general Bell inequalities by a pure bipartite quantum state / Cornell University. Series "Working papers by Cornell University". 2021. No. 2110.08859.

In the present article, based on the formalism introduced in [Loubenets, J. Math. Phys. 53, 022201 (2012)], we derive for a pure bipartite quantum state a new upper bound on its maximal violation of general Bell inequalities. This new bound indicates that, for an infinite dimensional pure bipartite state with a finite sum of its ...

Added: November 9, 2021

Lubashevsky I., Suzuki T., Zgonnikov A., Complexity of human response delay in intermittent control: The case of virtual stick balancing / . 2018. No. 1808.05002.

Response delay is an inherent and essential part of human actions. In the context of human balance control, the response delay is traditionally modeled using the formalism of delay-differential equations, which adopts the approximation of fixed delay. However, experimental studies revealing substantial variability, adaptive anticipation, and non-stationary dynamics of response delay provide evidence against this approximation. In this ...

Added: November 3, 2021

Shchur L., Special Purpose Computers for Statistical Physics: achievements and lessons / Cornell University. Series arXiv "math". 2021. No. 2107.02406.

In the late 80s and 90s, theoretical physicists of
the Landau Institute for Theoretical Physics designed and
developed several specialized computers for challenging
computational problems in the physics of phase transitions.
These computers did not have a central processing unit. They
optimize algorithms to handle elementary operations on
integers - read, write, compare, and count. The approach
allowed them to achieve recording ...

Added: July 26, 2021

Two-sequential Conclusive Discrimination between Binary Coherent States via Indirect Measurements / . 2021. No. 2103.12539.

A general scenario for an N-sequential conclusive state discrimination introduced recently in Loubenets and Namkung [arXiv:2102.04747] can provide a multipartite quantum communication realizable in the presence of a noise. In the present article, we propose a new experimental scheme for the implementation of a sequential conclusive discrimination between binary coherent states via indirect measurements within the ...

Added: March 24, 2021

Weigel M., Barash L., Shchur L. et al., Understanding population annealing Monte Carlo simulations / Cornell University. Series cond-mat "arxiv.org". 2021. No. 2102.06611.

Population annealing is a recent addition to the arsenal of the practitioner in computer simulations in statistical physics and beyond that is found to deal well with systems with complex free-energy landscapes. Above all else, it promises to deliver unrivaled parallel scaling qualities, being suitable for parallel machines of the biggest caliber. Here we study ...

Added: February 15, 2021

Sobral T. A., de Holanda V. H., Leal F. C. et al., Deformation of loops in 2D packing of flexible rods / Cornell University. Series cond-mat "arxiv.org". 2020. No. 2012.06944.

The injection of a long piece of flexible rod into a two-dimensional domain yields a complex pattern commonly studied through elasticity theory, packing analysis, and fractal geometries. "Loop" is an one-vertex entity which which is naturally formed in this system. The role of the elastic features of each individual loop in 2D packing has not ...

Added: February 11, 2021

Elena R. Loubenets, Min Namkung, Conclusive discrimination between arbitrary quantum states by N sequential receivers / . 2021. No. 2102.04747.

Added: February 10, 2021

Jabir J. M., Martinez K., Bossy M., Instantaneous turbulent kinetic energy modelling based on Lagrangian stochastic approach in CFD and application to wind energy / Cornell University. Series arXiv "math". 2021.

We present the construction of an original stochastic model for the instantaneous turbulent kinetic energy at a given point of a flow, and we validate estimator methods on this model with observational data examples. Motivated by the need for wind energy industry of acquiring relevant statistical information of air motion at a local place, we ...

Added: January 30, 2021

Yevtushenko O. M., Vladimir I. Yudson, Protection of helical transport in Quantum Spin Hall samples: the role of symmetries on edges / . 2019. No. 1909.08460.

Time-reversal invariant two-dimensional topological insulators, often dubbed Quantum Spin Hall systems, possess helical edge modes whose ballistic transport is protected by physical symmetries. We argue that, though the time-reversal symmetry (TRS) of the bulk is needed for the existence of helicity, protection of the helical transport is actually provided by the spin conservation on the ...

Added: January 15, 2021

Shustov P., Kuzichev I., Vasko I. et al., The dynamics of electron holes in current sheets / . 2020.

We present 1.5D Vlasov code simulations of the dynamics of electron holes in non-uniform magnetic and electric fields typical of current sheets and, particularly, of the Earth's magnetotail current sheet. The simulations show that spatial width and amplitude of electron holes do not substantially vary in the course of propagation, but there arises a double ...

Added: December 12, 2020

Зайцев В. И., Щавелин В. М., Контактные задачи связанной теории температурных напряжений: постановка и метод решения. / . 1986. № 001-86.

Added: November 30, 2020

Kagan M., Mazur E. A., Droplets of the order parameter in a low density attracting electron system in the presence of a strong random potential / Cornell University. Series "Working papers by Cornell University". 2020. No. arXiv:2006.13303.

The properties of a two-dimensional low density (n<<1) electron system with strong onsite Hubbard attraction U>W (W is the bandwidth) in the presence of a strong random potential V uniformly distributed in the range from -V to +V are considered. Electronic hoppings only at neighboring sites on the square lattice are taken into account, thus ...

Added: June 26, 2020