Probing the environment of an inaccessible system by a qubit ancilla

S. Campbell, M. Paternostro, S. Bose, M. S. Kim

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)
306 Downloads (Pure)


We study the conditions for probing the environment affecting an inaccessible system by means of continuous interaction and measurements performed only on a probe. The scheme exploits the statistical properties of the probe at its steady state and simple data postprocessing. Our results, highlighting the roles played by interaction and entanglement in this process, are both pragmatically relevant and fundamentally interesting.
Original languageEnglish
Article number050301
Number of pages4
JournalPhysical Review A
Issue number5
Publication statusPublished - 11 May 2010

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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