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      Canonical Typicality of Energy Eigenstates of an Isolated Quantum System

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          Abstract

          Currently there are two main approaches to describe how quantum statistical physics emerges from an isolated quantum many-body system in a pure state: Canonical Typicality (CT) and Eigenstate Thermalization Hypothesis (ETH). These two approaches has different but overlapping areas of validity, phenomenology and set of physical outcomes. In this paper we discuss the relation between CT and ETH and propose a formulation of ETH in terms of the reduced density matrix. We provide strong numerical evidences for the proposal.

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          Author and article information

          Journal
          2015-11-20
          Article
          1511.06680
          dbeccd89-adb2-418d-83c6-129ff09639ce

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          History
          Custom metadata
          MIT-CTP/4739
          6 pages, 6 figures
          cond-mat.stat-mech hep-th quant-ph

          Condensed matter,Quantum physics & Field theory,High energy & Particle physics

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