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The unknown quantum electronic conductance across nanojunctions made of silicon-doped carbon wires between carbon leads is investigated. This is done by an appropriate generalization of the phase field matching theory for the…

Mesoscale and Nanoscale Physics · Physics 2015-02-02 D. Szczȩśniak , A. Khater , Z. Bąk , R. Szczȩśniak , M. Abou Ghantous

The thermoelectric performance of a topological Josephson nonlocal heat engine is thoroughly investigated. The nonlocal response is obtained by using a normal metal probe coupled with only one of the proximized helical edges in the middle…

Mesoscale and Nanoscale Physics · Physics 2021-07-07 Gianmichele Blasi , Fabio Taddei , Liliana Arrachea , Matteo Carrega , Alessandro Braggio

In conventional superconductors, the most direct evidence of the mechanism responsible for superconductivity comes from tunneling experiments in which a clear image of the electron-phonon interaction is revealed. The observed structure in…

Superconductivity · Physics 2009-10-31 J. P. Carbotte , E. Schachinger , D. N. Basov

We describe a qualitatively new regime of cavity quantum electrodynamics, the super strong coupling regime. This regime is characterized by atom-field coupling strengths of the order of the free spectral range of the cavity, resulting in a…

Quantum Physics · Physics 2009-11-13 D. Meiser , P. Meystre

We construct a holographic effective superconducting theory by considering a special gauge-axion higher derivative term. The gauge-axion coupling results in the transport behavior similar to the vortex response in the dual boundary field…

High Energy Physics - Theory · Physics 2022-06-08 Yan Liu , Xi-Jing Wang , Jian-Pin Wu , Xin Zhang

Nanoscale conductors are interesting for thermoelectrics because of their particular spectral features connecting separated heat and particle currents. Multiterminal devices in the quantum regime benefit from phase-coherent phenomena, which…

Mesoscale and Nanoscale Physics · Physics 2026-02-23 José Balduque , Rafael Sánchez

Quantum heat machines (QHMs) models generally assume a weak coupling to the baths. This supposition is grounded in the separability principle between systems and allows the derivation of the evolution equation for this case. In the weak…

Quantum Physics · Physics 2015-08-27 David Gelbwaser-Klimovsky , Alán Aspuru-Guzik

The two dark sectors of the universe - dark matter and dark energy - may interact with each other. Background and linear density perturbation evolution equations are developed for a generic coupling. We then establish the general conditions…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-25 M. B. Gavela , D. Hernandez , L. Lopez Honorez , O. Mena , S. Rigolin

We study the quantum dynamics of N coherently driven two-level atoms coupled to an optical resonator. In the strong coupling regime the cavity field generated by atomic scattering interferes destructively with the pump on the atoms. This…

Quantum Physics · Physics 2009-11-10 Stefano Zippilli , Giovanna Morigi , Helmut Ritsch

We present a set of experiments to optimize the performance of the noninvasive thermometer based on proximity superconductivity. Current through a standard tunnel junction between an aluminum superconductor and a copper electrode is…

Mesoscale and Nanoscale Physics · Physics 2020-05-06 Bayan Karimi , Danilo Nikolic , Tuomas Tuukkanen , Joonas T. Peltonen , Wolfgang Belzig , Jukka P. Pekola

We consider a classical and possibly driven composite system $X \otimes Y$ weakly coupled to a Markovian thermal reservoir $R$ so that an unambiguous stochastic thermodynamics ensues for $X \otimes Y$. This setup can be equivalently seen as…

Statistical Mechanics · Physics 2017-06-07 Philipp Strasberg , Massimiliano Esposito

How much work can be extracted from a heat bath using a thermal machine? The study of this question has a very long tradition in statistical physics in the weak-coupling limit, applied to macroscopic systems. However, the assumption that…

Quantum Physics · Physics 2015-06-17 R. Gallego , A. Riera , J. Eisert

We demonstrate that a ionising transition can be strongly coupled to a photonic resonance. The strong coupling manifests itself with the appearance of a narrow optically active resonance below the ionisation threshold. Such a resonance is…

We investigate the nonequilibrium population of a vibrational mode in the steady state of a biased molecular junction, using a rate equation approach. We focus on the limit of weak electronic-vibrational coupling and show that, in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 Rainer Härtle , Manas Kulkarni

Recent developments in nanoscale experimental techniques made it possible to utilize single molecule junctions as devices for electronics and energy transfer with quantum coherence playing an important role in their thermoelectric…

Mesoscale and Nanoscale Physics · Physics 2018-03-12 Feng Chen , Yi Gao , Michael Galperin

We theoretically investigate nonlinear ballistic thermoelectric transport in a superlattice-structured nanowire. By a special choice of nonuniform widths of the superlattice barriers - analogous to anti-reflection coating in optical systems…

Mesoscale and Nanoscale Physics · Physics 2016-09-14 Hossein Karbaschi , John Lovén , Klara Courteaut , Andreas Wacker , Martin Leijnse

The role of higher order coupling of surface vibrations to the relative motion in heavy-ion fusion reactions at near-barrier energies is investigated. The coupled channels equations are solved to all orders, and also in the linear and the…

Nuclear Theory · Physics 2008-11-26 K. Hagino , N. Takigawa , M. Dasgupta , D. J. Hinde , J. R. Leigh

We study linear response and nonequilibrium steady-state thermoelectric transport through a single-level quantum dot tunnel coupled to two reservoirs held at different temperatures as well as chemical potentials. A fermion occupying the dot…

Strongly Correlated Electrons · Physics 2013-06-21 D. M. Kennes , D. Schuricht , V. Meden

Thermal transport through nanosystems is central to numerous processes in chemistry, material sciences, electrical and mechanical engineering, with classical molecular dynamics as the key simulation tool. Here we focus on thermal junctions…

Mesoscale and Nanoscale Physics · Physics 2020-08-31 Na'im Kalantar , Bijay Kumar Agarwalla , Dvira Segal

Advances in the fabrication and characterization of nanoscale systems now allow for a deeper understanding of one of the most basic issues in science and technology: the flow of energy at the microscopic level. In this Colloquium we survey…

Mesoscale and Nanoscale Physics · Physics 2015-03-13 Yonatan Dubi , Massimiliano Di Ventra
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