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A two-fluid model is proposed to describe the transport properties of granular superconductors. Using the resistively shunted junction model and some aspects of the two-level system theory, a statistical model is developed which takes into…

By using the real-space Green-Kubo formalism we study numerically the electron transport properties of low-fluorinated graphene. At low temperatures the diffuse transport regime is expected to be prevalent, and we found a pronounced…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 D. V. Kolesnikov , V. A. Osipov

We obtain an asymptotically AdS, non-extremal, electrically charged and rotating black hole solution of 4-dimensional U(1)^4 gauged supergravity with 2 non-zero and independent U(1) charges. The thermodynamical quantities are computed. We…

High Energy Physics - Theory · Physics 2011-10-05 David D. K. Chow

We studied transport through ultra-small Si quantum dot transistors fabricated from silicon-on-insulator wafers. At high temperatures, 4K<T<100K, the devices show single-electron or single-hole transport through the lithographically defined…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 L. P. Rokhinson , L. J. Guo , S. Y. Chou , D. C. Tsui

Using first-principles pseudopotential method and Boltzmann transport theory, we give a comprehensive understanding of the electronic and phonon transport properties of thermoelectric material BiCuSeO. By choosing proper hybrid functional…

Materials Science · Physics 2017-06-28 D. D. Fan , H. J. Liu , L. Cheng , J. Zhang , P. H. Jiang , J. Wei , J. H. Liang , J. Shi

We show that in models with the Hatsugai-Kohmoto type of interaction that is local in momentum space thus infinite-range in real space, Kubo formulas neither reproduce the correct thermodynamic susceptibilities, nor yield sensible transport…

Strongly Correlated Electrons · Physics 2024-07-02 Daniele Guerci , Giorgio Sangiovanni , Andrew J. Millis , Michele Fabrizio

In this article, the quasinormal modes and greybody factor of charged black hole in non-commutative geometry are studied. Under the assumption of a uniformly distributed charge within the matter, we obtain the metric for a charged black…

General Relativity and Quantum Cosmology · Physics 2025-07-11 Shi-Jie Ma , Rui-Bo Wang , Tian-Chi Ma , He-Xu Zhang , Jian-Bo Deng , Xian-Ru Hu

It has been shown that holographic massive gravities can effectively realize the states with spontaneous breaking of translational symmetry in a homogenous manner. In this work, we consider a toy model of such category by adding a special…

High Energy Physics - Theory · Physics 2019-03-19 Wei-Jia Li , Jian-Pin Wu

We report on transport experiments through high-mobility gate-tunable undoped InSb QWs. Due to the elimination of any Si modulation doping, the gate-defined two-dimensional electron gases in the quantum wells display a significantly…

Mesoscale and Nanoscale Physics · Physics 2021-10-22 Zijin Lei , Erik Cheah , Km Rubi , Maurice E. Bal , Christoph Adam , Rüdiger Schott , Uli Zeitler , Werner Wegscheider , Thomas Ihn , Klaus Ensslin

The transport properties of junctions composed of a central region tunnel-coupled to external electrodes are frequently studied within the single-impurity Anderson model with Hubbard on-site interaction. In the present work, we supplement…

Mesoscale and Nanoscale Physics · Physics 2021-10-05 Ulrich Eckern , Karol I. Wysokiński

Evaluation of critical bandstructure and quantum transport parameters in two-dimensional systems is challenging when competition emerges among different energy scales shaping quantum oscillations in a magnetic field. Here we overcome this…

Mesoscale and Nanoscale Physics · Physics 2025-09-22 Davide Costa , Lucas E. A. Stehouwer , Davide Degli Esposti , Giordano Scappucci

We report on systematic study of transport properties of a 1000-nm HgTe film. Unlike to thinner and strained HgTe films, which are known as high-quality three-dimensional (3D) topological insulators, the film under study is much thicker…

Mesoscale and Nanoscale Physics · Physics 2023-05-19 M. L. Savchenko , D. A. Kozlov , N. N. Mikhailov , S. A. Dvoretsky , Z. D. Kvon

We theoretically study transport in two-dimensional semimetals. Typically, electron and hole puddles emerge in the transport layer of these systems due to smooth fluctuations in the potential. We calculate the electric response of the…

Mesoscale and Nanoscale Physics · Physics 2014-10-29 Michael Knap , Jay D. Sau , Bertrand I. Halperin , Eugene Demler

The dynamics of a single hole (or electron) in the two dimensional Hubbard model is investigated. The antiferromagnetic background is described by a N\`eel state, and the hopping of the carrier is analyzed within a configuration interaction…

Strongly Correlated Electrons · Physics 2009-10-31 F. Guinea , E. Louis , P. Lopez-Sancho , J. A. Verges

We investigate sequential tunneling transport through a semiconductor double quantum dot structure by combining a simple microscopic quantum confinement model with a Mott-Hubbard type correlation model. We calculate nonperturbatively the…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 R. Kotlyar , S. Das Sarma

The dispersion curves for the electrons and holes in CsPbI$_3$ in the orthorhombic phase are calculated using the density functional theory (DFT), with the spin-orbit coupling taken into account. The effective masses of the charge carriers…

Mesoscale and Nanoscale Physics · Physics 2026-04-09 O. S. Sultanov , D. K. Loginov , I. V. Ignatiev , D. V. Pankin , M. B. Smirnov , M. S. Kuznetsova

We construct the solution for non-extremal charged rotating black holes in seven-dimensional gauged supergravity, in the case with only one rotation parameter and two independent charges. Using the Boyer-Lindquist coordinates, the metric is…

High Energy Physics - Theory · Physics 2011-11-01 Shuang-Qing Wu

Transport properties of single- and two-site mesoscopic quantum Hall (QH) circuits at high transparencies can be described in terms of the lowest-order backscattering processes, enabling a mapping to the boundary sine-Gordon model. We show…

Mesoscale and Nanoscale Physics · Physics 2026-04-10 D. B. Karki

Germanane (GeH) is essentially a hydrogen-terminated Ge analog of graphene with a direct gap (~1.6 eV). Record hole mobility mu_h~67,000 cm2/Vs is found at 15 K for a single allotropic cross-dimensional(D) heterointerface. This is enabled…

Materials Science · Physics 2026-01-09 Yumiko Katayama , Daiki Kobayashi , Hikaru Okuma , Yuhsuke Yasutake , Susumu Fukatsu , Kazunori Ueno

We study non-equilibrium electron transport through a quantum dot coupled to metallic leads. We use an alternative equation of motion approach in which we calculate the retarded Green function of the impurity by differentiating Green…

Mesoscale and Nanoscale Physics · Physics 2014-12-23 Grzegorz Górski , Jerzy Mizia , Krzysztof Kucab