Difficulties for the evolution of pure states into mixed states

Thomas Banks, Leonard Susskind, Michael E. Peskin

Research output: Contribution to journalArticlepeer-review

130 Scopus citations

Abstract

Motivated by Hawking's proposal that the quantum-mechanical density matrix ρ{variant} obeys an equation more general than the Schrödinger equation, we study the general properties of evolution equations for ρ{variant}. We argue that any more general equation for ρ{variant} violates either locality or energy-momentum conservation.

Original languageEnglish (US)
Pages (from-to)125-134
Number of pages10
JournalNuclear Physics, Section B
Volume244
Issue number1
DOIs
StatePublished - Sep 24 1984
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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