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Related Experiment Video

Updated: Jul 7, 2026

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Model studies on the quantum Jarzynski relation.

Jens Teifel¹, Günter Mahler

¹Institut für Theoretische Physik 1, Universität Stuttgart, 70550 Stuttgart, Germany.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|February 1, 2008

Summary

This summary is machine-generated.

The quantum Jarzynski relation is shown to hold for driven quantum systems in various environments, including bipartite systems and open quantum systems at high temperatures. This extends previous findings for closed systems.

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Last Updated: Jul 7, 2026

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Area of Science:

Quantum thermodynamics
Statistical mechanics
Nonequilibrium physics

Background:

The Jarzynski relation connects equilibrium free energy differences to nonequilibrium work fluctuations.
Previous proofs were limited to closed quantum systems.

Purpose of the Study:

To generalize the quantum Jarzynski relation to driven quantum models in diverse environments.
To extend the validity of the Jarzynski relation beyond closed systems.

Main Methods:

Generalization of Mukamel's proof for closed quantum systems.
Analytical derivations for microcanonical and canonical couplings.
High-temperature expansion for open quantum systems.
Numerical simulations of a model system.

Main Results:

The quantum Jarzynski relation is proven to hold for bipartite systems with microcanonical coupling.
The relation is valid for canonical coupling if interaction energy is constant.
The relation holds for open quantum systems at high initial temperatures (up to third order in inverse temperature).

Conclusions:

The quantum Jarzynski relation is robust and applicable to a wider range of quantum systems and environments.
This work provides a theoretical foundation for studying nonequilibrium thermodynamics in complex quantum systems.