Many-body entanglement in decoherence processes

Helen McAneney, J. Lee, Myungshik Kim

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


A pure state decoheres into a mixed state as it entangles with an environment. When an entangled two-mode system is embedded in a thermal environment, however, each mode may not be entangled with its environment by their simple linear interaction. We consider an exactly solvable model to study the dynamics of a total system, which is composed of an entangled two-mode system and a thermal environment. The Markovian interaction with the environment is concerned with an array of infinite number of beam splitters. It is shown that many-body entanglement of the system and the environment may play a crucial role in the process of disentangling the system.
Original languageEnglish
Pages (from-to)063814-1-063814-5
Number of pages5
JournalPhysical Review A
Issue number6
Publication statusPublished - Dec 2003

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • General Physics and Astronomy


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