Communications in Theoretical Physics
Wave-Packet Collapse Based on Weak Repeatability or Covariant Condition*
Zhaoqi Wu, Chuanxi Zhu, Jian-Hui 建辉 Wang 王
Abstract
Abstract The conflict between the dynamics postulate (unitary evolution) and the measurement postulate (wave-packet 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.