科研之友
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摘要
By virtue of the Weyl correspondence and based on the the technique of integration within an ordered product of operators, we show under that condition the superoperator's Kraus representation rho' = Sigma(mu) A(mu)rho A(mu)(dagger) can be deformed as rho' = (1/pi) integral d(2) alpha B(alpha)D(alpha)pD(dagger) (alpha), where D(alpha) is the displacement operator, B(n) is a probability density related to the classical Weyl correspondence of A(mu). An alternate discussion using the entangled state representation and through a quantum teleportation process is also presented.
- 出版日期2008-10-15
- 单位上海交通大学
