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We study two-dimensional interacting electrons in a weak perpendicular magnetic field with the filling factor $\nu \gg 1$ and in the presence of a quenched disorder. As it is known, the unidirectional charge density wave state can exist…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 I. S. Burmistrov

Time projection chambers drifting negative ions (NITPC) instead of electrons have several advantages. A NITPC can operate at very high reduced drift fields without diffusion runaway, and the readout digitization sampling rate requirement is…

Atomic Physics · Physics 2010-04-22 M. P. Dion , C. J. Martoff , M. Hosack

Using the bottom-up approach in a holographic setting, we attempt to study both the transport and thermodynamic properties of a generic system in 3+1 dimensional bulk spacetime. We show the exact 1/T and $T^2$ dependence of the longitudinal…

High Energy Physics - Theory · Physics 2013-05-29 Shesansu Sekhar Pal

A series of Multichannel Quantum Defect Theory-based computations have been performed, in order to produce the cross sections of rotational transitions (excitations $N_{i}^{+}-2 \rightarrow$ $N_{i}^{+}$, de-excitations $N_{i}^{+}$…

Instrumentation and Methods for Astrophysics · Physics 2024-05-13 O. Motapon , N. Pop , F. Argoubi , J. Zs. Mezei , M. D. Epée Epée , A. Faure , M. Telmini , J. Tennyson , I. F. Schneider

We calculate the dissipative dc conductivity of a two-dimensional electron system in a magnetic field for the situation when its effective temperature exceeds the temperature of the acoustic phonon system. We demonstrate that at…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. Ryzhii

We develop a model of magnetoresistance oscillations induced by the Hall field in order to study the temperature dependence observed in recent experiments. The model is based on the solution of the von Neumann equation incorporating the…

Mesoscale and Nanoscale Physics · Physics 2013-03-14 Alejandro Kunold , Manuel Torres

We investigate thermal transport in a two segment classical Heisenberg spin chain with nearest neighbor interaction and in presence of external magnetic field using computer simulation. The system is thermally driven by heat baths attached…

Statistical Mechanics · Physics 2013-11-11 Debarshee Bagchi

We describe the nature of charge transport at non-zero temperatures ($T$) above the two-dimensional ($d$) superfluid-insulator quantum critical point. We argue that the transport is characterized by inelastic collisions among thermally…

Strongly Correlated Electrons · Physics 2009-10-30 Kedar Damle , Subir Sachdev

We study the electron/hole transport in puddle-disordered and rough graphene samples which are subject to in-plane magnetic fields. Previous treatments, mostly devoted to regimes where the electron/hole scattering wavelengths are larger…

Mesoscale and Nanoscale Physics · Physics 2015-04-15 R. R. Brandão , L. Moriconi

Low-temperature transport through molecules with effectively negative charging energy U exhibits a charge-Kondo effect. We explore this regime analytically by establishing an exact mapping between the negative-U and the positive-U Anderson…

Mesoscale and Nanoscale Physics · Physics 2009-06-02 Jens Koch , Eran Sela , Yuval Oreg , Felix von Oppen

We report the creation and characterization of a molecular-scale negative differential conductance (NDC) device by assembling a triangular trimer of 4,5,9,10-tetrabromo-1,3,6,8-tetraazapyrene (TBTAP) molecules on a superconducting Pb(111)…

Mesoscale and Nanoscale Physics · Physics 2025-08-08 Chao Li , Vladislav Pokorný , Prokop Hapala , Martin Žonda , Ping Zhou , Silvio Decurtins , Shi-Xia Liu , Fengqi Song , Rémy Pawlak , Ernst Meyer

We report a detailed analytic and numerical study of electronic thermal conductivity in d-wave superconductors. We compare theory of the cross over at low temperatures from T-dependence to T^3-dependence for increasing temperature with…

Superconductivity · Physics 2009-11-11 Tomas Lofwander , Mikael Fogelstrom

Thermoelectric conductance of an edge mode is investigated. The edge modes of a $2D $ and $3D$ two band model with parabolic dispersion is considered. For the the one dimensional non interacting fermions the thermal conductivity computed…

Mesoscale and Nanoscale Physics · Physics 2019-06-21 D. Schmeltzer

In this work, the near-field radiative heat transfer (NFRHT) between two Weyl semimetal (WSM) nanoparticles (NPs) is investigated. The numerical results show that negative differential thermal conductance (NDTC) effect can be obtained in…

Mesoscale and Nanoscale Physics · Physics 2022-09-07 Yasong Sun , Yang Hu , Kezhang Shi , Jihong Zhang , Dudong Feng , Xiaohu Wu

We study heat transport and thermoelectric effects in two-dimensional superconductors in a magnetic field. These are modeled as granular Josephson-junction arrays, forming either regular or random lattices. We employ two different models…

Superconductivity · Physics 2011-05-05 Andreas Andersson , Jack Lidmar

We introduce thermodynamic networks, a general framework for autonomous, physics-based computation using non-equilibrium steady states. These networks are modeled as a collection of finite-size reservoirs that exchange conserved…

The topic of superconductivity in strongly disordered materials has attracted a significant attention. In particular vivid debates are related to the subject of intrinsic spatial inhomogeneity responsible for non-BCS relation between the…

Transition-metal dichalcogenides (TMDCs) are important class of two-dimensional (2D) layered materials for electronic and optoelectronic applications, due to their ultimate body thickness, sizable and tunable bandgap, and decent theoretical…

Materials Science · Physics 2017-01-10 Zhihao Yu , Zhun-Yong Ong , Songlin Li , Jian-Bin Xu , Gang Zhang , Yong-Wei Zhang , Yi Shi , Xinran Wang

Surface scattering is the key limiting factor to thermal transport in dielectric crystals as the length scales are reduced or when temperature is lowered. To explain this phenomenon, it is commonly assumed that the mean free paths of heat…

Materials Science · Physics 2017-08-17 Andrea Cepellotti , Nicola Marzari

Recent advances in our understanding of thermal transport in nanocrystalline systems are responsible for the integration of new technologies into advanced energy systems, including thermoelectric refrigeration systems and renewable energy…

Mesoscale and Nanoscale Physics · Physics 2019-08-12 Brian F. Donovan , Ronald J. Warzoha , R. Bharath Venkatesh , Nicholas T. Vu , Jay Wallen , Daeyeon Lee