Comparing classical and quantum equilibration

Artur Malabarba, Terence C. Farrelly, Tony Short

Research output: Contribution to journalArticle (Academic Journal)peer-review

1 Citation (Scopus)
408 Downloads (Pure)

Abstract

By using a physically-relevant and theory independent definition of measurement-based equilibration, we show quantitatively that equilibration is easier for quantum systems than for classical systems, in the situation where the initial state of the system is completely known (pure state). This shows that quantum equilibration is a fundamental aspect of many quantum systems, while classical equilibration relies on experimental ignorance. When the state is not completely known, a mixed state, this framework also shows quantum equilibration requires weaker conditions.
Original languageEnglish
Article number032119
Number of pages8
JournalPhysical Review E
Volume94
Issue number3
Early online date15 Sept 2016
DOIs
Publication statusPublished - Sept 2016

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