摘要：对易的两个物理量有共同的本征基，意味着可以同时被准确测量出来。反之若不对易，则意味着我们不能同时获得关于这两个力学量的精确信息。 对易力学完全集（CSCO：Complete set of commuting observables）定义：能够完全描述体系状态、彼此独立、相互对易的最小数目的一组力学量 阅读全文

摘要：$$We,,ignore,,time,,in,,\rho , i.e., \rho ,,is,,shorthand,,for,,\rho \left( t \right) \ \dot{\rho}=-i\left[ H,\rho \right] \ we,,define,,a,,linear,,ma 阅读全文

摘要：Fernuibuc Canonical Commutation relations and the Jordan-Wigner Trnasform Nielsen link 阅读全文

摘要：The Paradox is based on two things, first is locality, second is reality. The scenario is as follows. Suppose Alice and Bob have a pair of entangled s 阅读全文