RegularizedPRepresentation

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15 March 1973

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 7 (6) , 1936-1937
https://doi.org/10.1103/physrevd.7.1936

Abstract

It is shown that for a certain class of density operators of radiation,

\hat{ρ} = \int d^{2} α P_{A} (α) | α 〉 〈 α | + \int d^{2} α P_{B} (α) | - α 〉 〈 α | + Σ n^{} \int dx dy P_{C_{n}} (x, y) | (x - y) e^{i θ_{n}} 〉 〈 (x + y) e^{i θ_{n}} |

is a convenient representation involving only nonsingular weight functions.

Keywords

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