Quantum Logic and Decohering Histories *
نویسنده
چکیده
An introduction is given to an algebraic formulation and generalisation of the consistent histories approach to quantum theory. The main technical tool in this theory is an orthoalgebra of history propositions that serves as a generalised temporal analogue of the lattice of propositions of standard quantum logic. Particular emphasis is placed on those cases in which the history propositions can be represented by projection operators in a Hilbert space, and on the associated concept of a 'history group'.
منابع مشابه
On maximum number of decoherent histories
It is shown that N is the upper limit for the number of histories in a decohering family of N-state quantum system. Simple criterion is found for a family of N fine grained decohering histories of Gell-Mann and Hartle to be identical with a family of Griffiths’ consistent quantum trajectories. E-mail: [email protected]
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