Current cross correlators in mesoscopic conductors

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Abstract

We present an investigation of current cross correlators in mesoscopic conductors. Making an analogy to the optical Hanbury Brown Twiss experiment we discuss how quantum statistical effects and two-particle interference effects can be investigated with current cross correlations. We also discuss how current cross correlations can be used for detecting two-particle entanglement and to perform quantum state tomography, a complete reconstruction of the density matrix of the quantum state emitted from a mesoscopic conductor.

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Subject classification (UKÄ) – MANDATORY

  • Condensed Matter Physics
Original languageEnglish
Pages (from-to)115-133
JournalJournal of Low Temperature Physics
Volume146
Issue number1-2
Publication statusPublished - 2007
Publication categoryResearch
Peer-reviewedYes