Lev Vaidman 2007 J. Phys. A: Math. Theor. 40 3275 doi:10.1088/1751-8113/40/12/S23
Backward evolving quantum states
Lev Vaidman
Show affiliationsThe basic concept of the two-state vector formalism, which is the time symmetric approach to quantum mechanics, is the backward evolving quantum state. However, due to the time asymmetry of the memory's arrow of time, the possible ways to manipulate a backward evolving quantum state differ from those for a standard, forward evolving quantum state. The similarities and the differences between forward and backward evolving quantum states regarding the no-cloning theorem, nonlocal measurements and teleportation are discussed. The results are relevant not only in the framework of the two-state vector formalism, but also in the framework of retrodictive quantum theory.
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Issue 12 (23 March 2007)
Received 28 June 2006, in final form 27 November 2006
Published 7 March 2007
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Backward evolving quantum states
Lev Vaidman 2007 J. Phys. A: Math. Theor. 40 3275
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