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Dissipation in small systems: A Landau-Zener approach by Barra, Felipe; Esposito, Massimiliano is a scholarly article available to read on EtoBox.

What is Dissipation in small systems: A Landau-Zener approach about?

We establish a stochastic thermodynamics for a Fermionic level driven by a time-dependent force and interacting with initially thermalized levels playing the role of a reservoir. The driving induces consecutive avoided crossings between system and reservoir levels described within Landau-Zener theory. We derive the resulting system dynamics and thermodynamics and identify energy, work, heat, entropy and dissipation. Our theory perfectly reproduces the numerically exact quantum work statistics obtained using a two point measurements approach of the total energy and provides an explicit expression for the dissipation in terms of diabatic transitions.

Author

Barra, Felipe; Esposito, Massimiliano

Published

2016

Language

EN