Using the completeness relation composed of the coherent state and of the eigenket of bosonic creation operator, we esta......

<正> 对同一性和斗争性主要存在着三种不同的理解。 第一种,把矛盾的同一性和斗争性理解为对立双方的一种状态,即矛盾双方的一种......

By suitably choosing the normalization factors we introduce the even- and odd-negative binomial states.In some limit cas......

We present a quantum measurement model where the meter is taken to be a squeezed reservoir. We realize decoherence in ma......