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We consider a molecular single electron transistor coupled to a vibrational mode. For some values of the bias and gate voltage transport is possible only by absorption of one ore more phonons. The system acts then as a cooler for the…

介观与纳米尺度物理 · 物理学 2009-02-06 Fabio Pistolesi

Electrons move along potential or thermal gradients. In the presence of a global gradient, applied e.g. to the two terminals of a conductor, this induces electric charge and heat currents. They can also flow between two equilibrated…

介观与纳米尺度物理 · 物理学 2018-06-27 Rafael Sánchez

This review discusses the main experiments and theoretical views related to observation of high-temperature superconductivity in intercalated FeSe compounds and single layer films of FeSe on substrates like SrTiO_3. We consider in detail…

超导电性 · 物理学 2017-01-17 M. V. Sadovskii

Fluctuations of the excess heat in an out of equilibrium steady state are experimentally investigated in two stochastic systems : an electric circuit with an imposed mean current and a harmonic oscillator driven out of equilibrium by a…

统计力学 · 物理学 2009-11-13 Sylvain Joubaud , Nicolas Garnier , Sergio Ciliberto

We study single electron transport across a single Bi dopant in a Silicon Nanotransistor to assess how the strong hyperfine coupling with the Bi nuclear spin $I=9/2$ affects the transport characteristics of the device. In the sequential…

介观与纳米尺度物理 · 物理学 2013-08-19 F. Delgado , R. Aguado , J. Fernández-Rossier

Extending the temperature limits of quantum coherence in the system representing a chain of coupled two-level systems (TLS) exposed to an electromagnetic field is complicated due to the adverse influence of noise. Such a system frequently…

介观与纳米尺度物理 · 物理学 2024-07-16 Serhii Shafraniuk

We consider transport through a single-molecule magnet strongly coupled to metallic electrodes. We demonstrate that for half-integer spin of the molecule electron- and spin-tunneling \emph{cooperate} to produce both quantum tunneling of the…

强关联电子 · 物理学 2009-11-11 C. Romeike , M. R. Wegewijs , W. Hofstetter , H. Schoeller

We investigate the low-temperature dynamics of single electron boxes and transistors close to their degeneracy point using renormalization group methods. We show that intermode scattering is a relevant perturbation and always drives the…

强关联电子 · 物理学 2007-05-23 Gergely Zarand , Gergely T. Zimanyi , Frank Wilhelm

The temperature dependence of the I-V characteristics of many single-electron tunneling devices enable thermometer operation of these systems. We investigate two normal conducting kinds of them, {\sl (a)} a single junction in a…

凝聚态物理 · 物理学 2007-05-23 H. -O. Müller , A. Hädicke , W. Krech

We investigate theoretically the thermoelectric transport through a circuit implementation of the three-channel "charge" Kondo model quantum simulator [Z. Iftikhar et al., Science 360, 1315 (2018)]. The universal temperature scaling law of…

介观与纳米尺度物理 · 物理学 2020-07-09 T. K. T. Nguyen , M. N. Kiselev

We study the transport properties of an overdamped Brownian particle which is simultaneously in contact with two thermal baths. The first bath is modeled by an additive thermal noise at temperature $T_A$. The second bath is associated with…

统计力学 · 物理学 2015-05-18 Raishma Krishnan , Sanjay Puri , Arun M. Jayannavar

The internal dynamics of a double quantum dot system is renormalized due to coupling respectively with transport electrodes and a dissipative heat bath. Their essential differences are identified unambiguously in the context of full…

介观与纳米尺度物理 · 物理学 2011-11-11 JunYan Luo , Yu Shen , Xiao-Ling He , Xin-Qi Li , YiJing Yan

Electron tunneling in ferromagnetic single-electron transistors is considered theoretically in the sequential tunneling regime. A new formalism is developed, which operates in a two-dimensional space of states, instead of one-dimensiona…

介观与纳米尺度物理 · 物理学 2009-10-31 J. Barnas , J. Martinek , G. Michalek , B. R. Bulka , A. Fert

We develop an electron transport theory for the hybrid system of a semiconducting carbon nanotube that encapsulates a one-atom-thick metallic wire. The theory predicts Fano resonances in electron transport through the system, whereby the…

介观与纳米尺度物理 · 物理学 2016-05-10 M. F. Gelin , I. V. Bondarev

Electron transport through parallel double quantum dot system with interdot tunneling and strong on-site Coulomb interaction is studied in the Kondo regime by using the finite-$U$ slave boson technique. For a system of quantum dots with…

介观与纳米尺度物理 · 物理学 2009-11-10 Guo-Hui Ding , C. K. Kim , K. Nahm

SmB6 exhibits intermediate valence in the ground state and unusual behaviour at low temperatures. The resistivity and the Hall effect cannot be explained either by conventional sf-hybridization or by hopping transport in an impurity band.…

强关联电子 · 物理学 2016-08-31 S. Curnoe , K. A. Kikoin

A stability criterion is worked out for the superconducting phase. The validity of a prerequisite, established previously for persistent currents, is thereby confirmed. Temperature dependence is given for the specific heat and concentration…

超导电性 · 物理学 2021-01-27 Jacob Szeftel , Nicolas Sandeau , Michel Abou Ghantous , Muhammad El-Saba

The presence of interfaces in semiconductor devices substantially hinders thermal transport, contributing disproportionately to the overall thermal resistance. However, approaches to enhance interfacial thermal transport remain scarce…

介观与纳米尺度物理 · 物理学 2025-11-18 Yizhe Liu , Bo Sun

The introduction of liquid 3He into silica aerogel provides us a with model system in which to study the effects of disorder on the properties of a strongly correlated Fermi liquid. The transport of heat, mass and spin exhibits cross-over…

其他凝聚态物理 · 物理学 2010-11-16 J. A. Sauls , Priya Sharma

We study heat transport in transistor-like devices composed of two reservoirs and a gate electrode, with a ballistic electronic one-dimensional system connected between the two reservoirs and interacting with a laser field. We derive in a…

介观与纳米尺度物理 · 物理学 2007-10-01 D. F. Martinez , Bambi Hu