Hongyi Fan 2002 J. Phys. A: Math. Gen. 35 1007 doi:10.1088/0305-4470/35/4/313
Hongyi Fan
Show affiliationsAfter a penetrating analysis of the known number–phase commutative relations we find that the common eigenvector |η
of two particles' relative coordinate and total momentum also embodies the entanglement with respect to the correlative amplitude–operational phase. Based on the fact that the number-difference operator is the canonical conjugate to the Noh–Fougères–Mandel operational phase operator, the corresponding entanglement is also briefly discussed.
03.67.Mn Entanglement measures, witnesses, and other characterizations
81P68 Quantum computation and quantum cryptography (See also 68Q05, 94A60)
81Qxx General mathematical topics and methods in quantum theory
Issue 4 (1 February 2002)
Received 20 August 2001, in final form 20 November 2001
Published 18 January 2002
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