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Volumn 70, Issue 3, 2004, Pages

Minimum output entropy of bosonic channels: A conjecture

Author keywords

[No Author keywords available]

Indexed keywords

ENTROPY; GAUSSIAN NOISE (ELECTRONIC); HIGH ENERGY PHYSICS; MATHEMATICAL MODELS; PHOTONS; THERMAL NOISE;

EID: 19644401365     PISSN: 10502947     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevA.70.032315     Document Type: Review
Times cited : (128)

References (39)
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    • note
    • 2/π is a probability distribution with respect to μ because [26]
  • 33
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    • note
    • k〉Tr[|ψ〉〈ψ|]=1 which can be proven using Schur's lemma since D(μ) is a unitary irreducible representation of the Weyl-Heisenberg group.
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    • note
    • Because the reflected and the transmitted photons have opposite phases, there is always a phase difference between the two. However, in the case we are considering the photons interact with a thermal state so that the phase difference between the two output ports can be compensated by a unitary transformation that does not change the entropy.


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