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Non-equilibrium Thermodynamics and Monte Carlo for Electronic and Electrochemical Processes

A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Statistical Physics".

Deadline for manuscript submissions: closed (20 December 2021) | Viewed by 5515

Special Issue Editor


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Guest Editor
Electrical and Computer Engineering Department, Technische Universität München, Karlstrasse 45, 80333 Munich, Germany
Interests: condensed matter physics; nanotechnology; solar cells; molecular electronics; machine learning

Special Issue Information

Dear Colleagues,

Understanding the dynamics of electronic and electrochemical processes is crucial for the development of highly efficient energy conversion devices. Going towards the nanoscale, local fluctuations in the system as well as energy relaxation processes on ultrafast timescales become of high relevance to optimize the performance of energy conversion devices and to fully understand the physics of energy conversion.

Computer models provide a complementary approach to experiments to study such out-ofequilibrium dynamics on arbitrary time and length scales. Especially Monte Carlo or master equation methods belong to most powerful methods to capture the out-of-equilibrium dynamics of electronic and electrochemical processes.

The scope of this Special Issue is to cover numerical methods for the study of out-ofequilibrium dynamics of electronic and electrochemical processes. Reviews on well-established models (e.g. Monte Carlo, master equation, Langevin dynamics) as well as novel approaches (e.g. Machine Learning, non-equilibrium thermodynamics, coarse-graining) will be featured to provide a broad scope of numerical methods for the study of out-of-equilibrium electronic and electrochemical processes.

Prof. Dr. Alessio Gagliardi
Guest Editor

Manuscript Submission Information

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Keywords

  • out-of-equilibrium
  • electrochemical reaction
  • molecular electronics
  • Monte Carlo
  • stochastic thermodynamics
  • exciton dynamics
  • charge dynamics

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Published Papers (2 papers)

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Editorial

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4 pages, 193 KiB  
Editorial
Stepping Out of Equilibrium: The Quest for Understanding the Role of Non-Equilibrium (Thermo-)Dynamics in Electronic and Electrochemical Processes
by Waldemar Kaiser and Alessio Gagliardi
Entropy 2020, 22(9), 1013; https://doi.org/10.3390/e22091013 - 10 Sep 2020
Viewed by 2572
Abstract
This editorial aims to interest researchers and inspire novel research on the topic of non-equilibrium Thermodynamics and Monte Carlo for Electronic and Electrochemical Processes. We present a brief outline on recent progress and challenges in the study of non-equilibrium dynamics and thermodynamics using [...] Read more.
This editorial aims to interest researchers and inspire novel research on the topic of non-equilibrium Thermodynamics and Monte Carlo for Electronic and Electrochemical Processes. We present a brief outline on recent progress and challenges in the study of non-equilibrium dynamics and thermodynamics using numerical Monte Carlo simulations. The aim of this special issue is to collect recent advances and novel techniques of Monte Carlo methods to study non-equilibrium electronic and electrochemical processes at the nanoscale. Full article

Research

Jump to: Editorial

19 pages, 734 KiB  
Article
Theory of Non-Equilibrium Heat Transport in Anharmonic Multiprobe Systems at High Temperatures
by Keivan Esfarjani
Entropy 2021, 23(12), 1630; https://doi.org/10.3390/e23121630 - 3 Dec 2021
Cited by 1 | Viewed by 2360
Abstract
We consider the problem of heat transport by vibrational modes between Langevin thermostats connected by a central device. The latter is anharmonic and can be subject to large temperature difference and thus be out of equilibrium. We develop a classical formalism based on [...] Read more.
We consider the problem of heat transport by vibrational modes between Langevin thermostats connected by a central device. The latter is anharmonic and can be subject to large temperature difference and thus be out of equilibrium. We develop a classical formalism based on the equation of motion method, the fluctuation–dissipation theorem and the Novikov theorem to describe heat flow in a multi-terminal geometry. We show that it is imperative to include a quartic term in the potential energy to insure stability and to properly describe thermal expansion. The latter also contributes to leading order in the thermal resistance, while the usually adopted cubic term appears in the second order. This formalism paves the way for accurate modeling of thermal transport across interfaces in highly non-equilibrium situations beyond perturbation theory. Full article
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