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Thermodynamics of nanoscale devices is an active area of research. Despite their noisy surround- ing they often produce mechanical work (e.g. micro-heat engines) or display rectified Brownian motion (e.g. molecular motors). This invokes the…

Statistical Mechanics · Physics 2016-09-14 Arnab Saha , Rahul Marathe , A. M. Jayannavar

{Analytical equations like Richardson-Dushman's or Shockley's provided a general, if simplified conceptual background, which was widely accepted in conventional electronics and made a fundamental contribution to advances in the field. In…

Mesoscale and Nanoscale Physics · Physics 2023-12-12 Ioan Baldea

The form of energy termed heat that typically derives from lattice vibrations, i.e. the phonons, is usually considered as waste energy and, moreover, deleterious to information processing. However, with this colloquium, we attempt to rebut…

Mesoscale and Nanoscale Physics · Physics 2012-08-21 Nianbei Li , Jie Ren , Lei Wang , Gang Zhang , Peter Hänggi , Baowen Li

Transport through a molecular device coupled to a vibrational mode is studied. By mapping it to the Yu-Anderson model in the large contact broadening limit, the zero bias electric and heat conductances are evaluated non-perturbatively.…

Mesoscale and Nanoscale Physics · Physics 2009-10-05 Balázs Dóra , András Halbritter

In this work we develop a theory of correlated many-electron dynamics dressed by the presence of a finite-temperature harmonic bath. The theory is based on the ab-initio Hamiltonian, and thus well-defined apart from any phenomenological…

Quantum Physics · Physics 2015-06-05 John A. Parkhill , Thomas Markovich , David G. Tempel , Alan Aspuru-Guzik

This is the second of a series of three papers examining how viable it is for entanglement to be sustained at high temperatures for quantum systems in thermal equilibrium (Case A), in nonequilibrium (Case B) and in nonequilibrium steady…

Quantum Physics · Physics 2016-01-08 Jen-Tsung Hsiang , B. L. Hu

We study the quantum dissipative dynamics of a particle coupled linearly to a set of two-level systems (the heat bath) via the master equation method which we extract from the path integral formalism independently from the form of the bath…

Condensed Matter · Physics 2009-10-22 Paulo C. Marques , Antonio H. Castro Neto

The stability of molecular junctions under transport is of the utmost importance for the field of molecular electronics. This question is often addressed within the paradigm of current-induced heating of nuclear degrees of freedom or…

Mesoscale and Nanoscale Physics · Physics 2022-12-26 André Erpenbeck , Yaling Ke , Uri Peskin , Michael Thoss

We present a comprehensive investigation of nonequilibrium effects and self heating in single electron transfer devices based primarily on the Coulomb blockade effect. During an electron trapping process, a hot electron may be deposited in…

Condensed Matter · Physics 2008-02-03 Chiu Liu , Qian Niu

Micro-mechanical resonator performance is fundamentally limited by the coupling to a thermal environment. The magnitude of this thermodynamical effect is typically considered in accordance with a physical temperature, assumed to be uniform…

Mesoscale and Nanoscale Physics · Physics 2023-05-10 Ravid Shaniv , Chris Reetz , Cindy A. Regal

The heat generation by an electric current flowing through a quantum dot with the dot containing both electron-electron interaction and electron-phonon interaction, is studied. Using the non-equilibrium Keldysh Green's function method, the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Jie Liu , Juntao Song , Qing-feng Sun , X. C. Xie

Boiling is the out-of-equilibrium transition which occurs when a liquid is heated above its vaporization temperature. At the nanoscale, boiling may be triggered by irradiated nanoparticles immersed in water or nanocomposite surfaces and…

Mesoscale and Nanoscale Physics · Physics 2022-09-19 Oscar Gutiéerrez-Varela , Julien Lombard , Thierry Biben , Ruben Santamaria , Samy Merabia

Superconducting circuits provide a favorable platform for quantum thermodynamic experiments. An important component for such experiments is a heat valve, i.e. a device which allows one to control the heat power flowing through the system.…

Mesoscale and Nanoscale Physics · Physics 2023-04-12 Minh Tam , George Thomas , Dmitry S. Golubev

We generalize time-evolving matrix product operators method to nonequilibrium quantum transport problems. The nonequilibrium current is obtained via numerical differentiation of the generating functional which is represented as a tensor…

Mesoscale and Nanoscale Physics · Physics 2023-03-23 Ruofan Chen

The realization of single-molecule thermal conductance measurements has driven the need for theoretical tools to describe conduction processes that occur over atomistic length scales. In macroscale systems, the principle that is typically…

Mesoscale and Nanoscale Physics · Physics 2023-05-17 Galen T. Craven , Abraham Nitzan

A central building block of a heat engine is the working fluid, which mediates the conversion of heat into work. In nanoscale heat engines, the working fluid can be a quantum system whose behavior and dynamics are non-classical. A…

Quantum Physics · Physics 2026-01-29 Riya Baruah , Pedro Portugal , Jun-Zhe Chen , Joachim Wabnig , Christian Flindt

This paper discusses a quantum optical heating mechanism which might play an important role in sonoluminescence experiments. We suggest that this mechanism occurs during the final stages of the bubble collapse phase and accompanies the…

Quantum Physics · Physics 2012-07-31 Almut Beige , Antonio Capolupo , Andreas Kurcz

Quantum beats in nonlinear spectroscopy of molecular aggregates are often attributed to electronic phenomena of excitonic systems, while nuclear degrees of freedom are commonly included into models as overdamped oscillations of bath…

Chemical Physics · Physics 2012-11-27 Vytautas Butkus , Leonas Valkunas , Darius Abramavicius

We propose and investigate a scheme for engineering a synthetic thermal bath for a bosonic quantum gas in a one-dimensional optical lattice based on Markovian feedback control. The performance of our scheme is quantified by the fidelity…

Quantum Gases · Physics 2022-09-22 Ling-Na Wu , André Eckardt

We demonstrate that strong impulsive gas heating or heating suppression at standard temperature and pressure can occur from coherent rotational excitation or de-excitation of molecular gases using a sequence of non-ionizing laser pulses.…

Optics · Physics 2015-06-18 Sina Zahedpour , Jared Wahlstrand , Howard Milchberg