Phys. Rev. A 58, 3477–3483 (1998)Complementarity and quantum erasure in welcher Weg experimentsReceived 16 October 1997; revised 2 July 1998; published in the issue dated November 1998 We extend the concept of distinguishability and likelihood introduced by Englert in Phys. Rev. Lett. 77, 2154 (1996) to encompass quantum erasure. We delineate the necessary and sufficient condition for obtaining optimal values of distinguishability and erasure. Finally we apply these measures on a gedanken welcher Weg experiment consisting of a coupled atom-photon interferometer. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.58.3477
DOI:
10.1103/PhysRevA.58.3477
PACS:
03.65.Bz, 42.50.-p
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