We analyze universal conditions where the l_1 norm and relative entropy of coherence are amplified and frozen under identical bit-flip channels;that is,using pre-measurements（quantum weak measurements or quantum meas...We analyze universal conditions where the l_1 norm and relative entropy of coherence are amplified and frozen under identical bit-flip channels;that is,using pre-measurements（quantum weak measurements or quantum measurement reversals） on the systems before undergoing local bit-flip channels.With the option of quantum weak measurements or quantum measurement reversals,the measurement strength and the success probability are all determined by the initial state of the quantum system.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.11204156,61178012,11304179,and 11247240)the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20133705110001)
文摘We analyze universal conditions where the l_1 norm and relative entropy of coherence are amplified and frozen under identical bit-flip channels;that is,using pre-measurements（quantum weak measurements or quantum measurement reversals） on the systems before undergoing local bit-flip channels.With the option of quantum weak measurements or quantum measurement reversals,the measurement strength and the success probability are all determined by the initial state of the quantum system.
