The conflict between the dynamics postulate(unitary evolution) and the measurement postulate(wavepacket collapse) of quantum mechanics has been reconciled by Zurek from an information transfer perspective [Phys.Re...The conflict between the dynamics postulate(unitary evolution) and the measurement postulate(wavepacket collapse) of quantum mechanics has been reconciled by Zurek from an information transfer perspective [Phys.Rev. A 76(2007) 052110], and has further been extended to a more general scenario [Phys. Rev. A 87(2013) 052111].In this paper, we reconsider Zurek's new derivation by using weak repeatability postulate or covariant condition instead of repeatability postulate.展开更多
基金Supported by National Natural Science Foundation of China under Grant Nos.11461045,11326099,11361042,11265010 Natural Science Foundation of Jiangxi Province of China under Grant Nos.20142BAB211016,20132BAB201001,20132BAB212009
文摘The conflict between the dynamics postulate(unitary evolution) and the measurement postulate(wavepacket collapse) of quantum mechanics has been reconciled by Zurek from an information transfer perspective [Phys.Rev. A 76(2007) 052110], and has further been extended to a more general scenario [Phys. Rev. A 87(2013) 052111].In this paper, we reconsider Zurek's new derivation by using weak repeatability postulate or covariant condition instead of repeatability postulate.