Obtainment of thermal noise from a pure quantum state

B. Yurke and M. Potasek
Phys. Rev. A 36, 3464 – Published 1 October 1987
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Abstract

It is shown that if one has access to only one mode of a two-mode squeezed-vacuum state, the photon statistics of this mode is indistinguishable from that of a thermal distribution. Parametric interactions that give rise to two-mode squeezing thus provide a mechanism for thermalization that is intrinsically quantum mechanical.

  • Received 30 March 1987

DOI:https://doi.org/10.1103/PhysRevA.36.3464

©1987 American Physical Society

Authors & Affiliations

B. Yurke and M. Potasek

  • AT&T Bell Laboratories, Murray Hill, New Jersey 07974

Comments & Replies

Comment on ‘‘Obtainment of thermal noise from a pure quantum state’’

S. M. Barnett and P. L. Knight
Phys. Rev. A 38, 1657 (1988)

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Vol. 36, Iss. 7 — October 1987

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