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Modeling of thermal transport in practical nanostructures requires making trade-offs between the size of the system and the completeness of the model. We study quantum heat transfer in a self-consistent thermal bath setup consisting of two…

Mesoscale and Nanoscale Physics · Physics 2013-08-06 K. Sääskilahti , J. Oksanen , J. Tulkki

Absorption refrigerators transfer thermal energy from a cold bath to a hot bath without input power by utilizing heat from an additional "work" reservoir. Particularly interesting is a three-level design for a quantum absorption…

Mesoscale and Nanoscale Physics · Physics 2018-06-06 Dvira Segal

The electrical and optical response of a field-effect device comprising a network of semiconductor-enriched single-wall carbon nanotubes, gated with sodium chloride solution is investigated. Field-effect is demonstrated in a device that…

Mesoscale and Nanoscale Physics · Physics 2010-09-24 Manu Jaiswal , C. S. Suchand Sangeeth , Wei Wang , Ya-Ping Sun , Reghu Menon

The thermoelectric effect in a quantum dot system connected to two electron reservoirs in the presence of a photon cavity is investigated using a quantum master equation in the steady-state regime. If a quantized photon field is applied to…

Mesoscale and Nanoscale Physics · Physics 2019-05-21 Nzar Rauf Abdullah , Chi-Shung Tang , Andrei Manolescu , Vidar Gudmundsson

Studies of thermally induced transport in nanostructures provide access to an exciting regime where fluctuations are relevant, enabling the investigation of fundamental thermodynamic concepts and the realization of thermal energy…

Mesoscale and Nanoscale Physics · Physics 2021-02-09 Sven Dorsch , Artis Svilans , Martin Josefsson , Bahareh Goldozian , Mukesh Kumar , Claes Thelander , Andreas Wacker , Adam Burke

We describe a fluctuating surface-current formulation of radiative heat transfer, applicable to arbitrary geometries, that directly exploits standard, efficient, and sophisticated techniques from the boundary-element method. We validate as…

Materials Science · Physics 2012-12-27 Alejandro W. Rodriguez , M. T. Homer Reid , Steven G. Johnson

Heat transfer in quantum systems is a current topic of interest due to emerging quantum technologies that attempt to miniaturize engines and examine fundamental aspects of thermodynamics. In this work, we consider heat transfer between two…

Quantum Physics · Physics 2025-06-26 Marlon Brenes , Jakub Garwoła , Dvira Segal

The traditional transmission coefficient present in the original Landauer formulation, which is valid for quasi-static scenarios with working frequencies below the inverse of the electron transit time, is substituted by a novel…

Mesoscale and Nanoscale Physics · Physics 2021-03-24 Matteo Villani , Simone Clochiatti , Werner Prost , Nils Weimann , Xavier Oriols

A new scenario for energy distribution, security and shareability is presented that assumes the availability of quantum information heat engines and a thermal bath. It is based on the convertibility between entropy and work in the presence…

Quantum Physics · Physics 2016-08-02 J. M. Diaz de la Cruz , M. A. Martin-Delgado

Heat rectifiers are systems that conduct heat asymmetrically for forward and reversed temperature gradients. Here, we present an analytical study of heat rectification in linear quantum systems. We demonstrate that asymmetric heat currents…

Quantum Physics · Physics 2019-04-03 Andreu Riera-Campeny , Mohammad Mehboudi , Marisa Pons , Anna Sanpera

We review the first experiment on dynamic transport in a phase-coherent quantum conductor. In our discussion, we highlight the use of time-dependent transport as a means of gaining insight into charge relaxation on a mesoscopic scale. For…

Mesoscale and Nanoscale Physics · Physics 2013-02-21 Julien Gabelli , Gwendal Fève , Jean-Marc Berroir , Bernard Plaçais

We analyze the problem of directed quantum transport induced by external exponentially correlated telegraphic noise. In addition to quantum nature of the heat bath, nonlinearity of the periodic system potential brings in quantum…

Statistical Mechanics · Physics 2007-05-23 Pulak Kumar Ghosh , Debashis Barik , Deb Shankar Ray

Quantum thermal devices which can manage heat as their electronic analogues for the electronic currents have attracted increasing attention. Here a three-terminal quantum thermal device is designed by three coupling qubits interacting with…

Quantum Physics · Physics 2019-03-12 Bao-qing Guo , Tong Liu , Chang-shui Yu

We explore layered strongly correlated materials as a platform to identify and control unconventional heat transfer phenomena. We demonstrate that these systems can be tailored to sustain a wide spectrum of heat transport regimes, ranging…

Strongly Correlated Electrons · Physics 2021-11-29 Giacomo Mazza , Marco Gandolfi , Massimo Capone , Francesco Banfi , Claudio Giannetti

We derive formal expressions of time-dependent energy and heat currents through a nanoscopic device using the Keldysh nonequilibrium Green function technique. Numerical results are reported for a metal/dot/metal junction where the dot level…

Mesoscale and Nanoscale Physics · Physics 2012-05-16 Adeline Crépieux , Fedor Simkovic , Benjamin Cambon , Fabienne Michelini

We discuss the heat transfer by photons between two metals coupled by a linear element with a reactive impedance. Using a simple circuit approach, we calculate the spectral power transmitted from one resistor to the other and find that it…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 L. Pascal , H. Courtois , F. W. J. Hekking

The emerging field of phase-coherent caloritronics (from the Latin word "calor", i.e., heat) is based on the possibility to control heat currents using the phase difference of the superconducting order parameter. The goal is to design and…

Mesoscale and Nanoscale Physics · Physics 2017-10-09 Antonio Fornieri , Francesco Giazotto

We study the thermopower of a quantum dot weakly coupled to two reservoirs by tunnel junctions. At low temperatures the transport through the dot is suppressed by charging effects (Coulomb blockade). As a result the thermopower shows an…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 M. Turek , K. A. Matveev

In this paper we investigate the thermoelectric performance of a double-dot device driven by time-dependently modulated gate voltages. We show that if the modulation frequency {\Omega} is sufficiently small, not only quantized charge…

Mesoscale and Nanoscale Physics · Physics 2013-06-21 Stefan Juergens , Federica Haupt , Michael Moskalets , Janine Splettstoesser

In this article we review the thermoelectric properties of three terminal devices with Coulomb coupled quantum dots (QDs) as observed in recent experiments [1,2]. The system we consider consists of two Coulomb-blockade QDs one of which can…

Mesoscale and Nanoscale Physics · Physics 2016-11-17 Holger Thierschmann , Rafael Sánchez , Björn Sothmann , Hartmut Buhmann , Laurens W. Molenkamp
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