Kinetic Schemes in Open Interacting Systems

Abraham Nitzan, Michael Galperin

Research output: Contribution to journalArticlepeer-review

Abstract

We discuss utilization of kinetic schemes for description of open interacting systems, focusing on vibrational energy relaxation for an oscillator coupled to a nonequilibirum electronic bath. Standard kinetic equations with constant rate coefficients are obtained under the assumption of time scale separation between the system and bath, with the bath dynamics much faster than that of the system of interest. This assumption may break down in certain limits, and we show that ignoring this may lead to qualitatively wrong predictions. Connection with more general, nonequilibrium Green's function (NEGF) analysis is demonstrated. Our considerations are illustrated within generic molecular junction models with electron-vibration coupling.

Original languageEnglish
Pages (from-to)4886-4892
Number of pages7
JournalJournal of Physical Chemistry Letters
Volume9
Issue number17
DOIs
StatePublished - 6 Sep 2018

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