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Rapid mixing and stability of quantum dissipative systems

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Lucia, Angelo and Cubitt, Toby S. and Michalakis, Spyridon and Pérez García, David (2014) Rapid mixing and stability of quantum dissipative systems. Physical Review A, 91 (4). 040302-1. ISSN 1050-2947

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Official URL: http://authors.library.caltech.edu/57130/1/PhysRevA.91.040302.pdf



Abstract

The physics of many materials is modeled by quantum many-body systems with local interactions. If the model of the system is sensitive to noise from the environment, or small perturbations to the original interactions, it will not model properly the robustness of the real physical system it aims to describe, or be useful when engineering novel systems for quantum information processing. We show that local observables and correlation functions of local Liouvillians are stable to local perturbations if the dynamics is rapidly mixing and has a unique fixed point. No other condition is required.


Item Type:Article
Additional Information:

Titulo del preprint 2014 antes de publicarlo :Rapid mixing renders quantum dissipative systems stable.
http://arxiv.org/pdf/1409.7809v1.pdf

Subjects:Sciences > Physics > Quantum theory
ID Code:27985
Deposited On:13 Feb 2015 13:30
Last Modified:01 Aug 2017 11:56

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