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Prog. Theor. Phys. Vol. 127 No. 3 (2012) pp. 383-392
Ghost Interference and Quantum Erasure
Pravabati Chingangbam1,* and
Tabish Qureshi2,**
1Indian Institute of Astrophysics, Koramangala,
Bangalore-560034, India
2Centre for Theoretical Physics, Jamia Millia Islamia, New Delhi-110025,
India
(Received December 14, 2011; Revised February 1, 2012)
Abstract:
The two-photon ghost interference experiment,
generalized to the case of massive particles, is theoretically analyzed.
It is argued that the experiment is intimately connected to a double-slit
interference experiment where, which-path information exists. The reason
for not observing first order interference behind the double-slit,
is clarified.
It is shown that the underlying mechanism for the appearance of ghost
interference is, the more familiar, quantum erasure.
Subject Index :
061
URL :
http://ptp.ipap.jp/link?PTP/127/383/
DOI : 10.1143/PTP.127.383
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