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Quantum measurement as first passage random walks in Hilbert space | | Fariel Shafee
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18 Feb 2005 | | Subject: | quant-ph | | Abstract: | We propose a model for a measurement of a quantum state by a large system that selects stochastically the different eigenstates with appropriate quantum weights. Instead of trying to formulate a modified Schrodinger equation or an explicit modified Hamiltonian to introduce transition to classical stochasticity, we propose the use of images in the measuring device, and random walks in Hilbert space with first passage stopping rules, which seem intuitively simple, as quantum weights and related stochasticity is a commonality that must be preserved under the widest range of applications, independent of the measured quantity and the specific properties of the measuring device. | | Source: | arXiv, quant-ph/0502111 | | Services: | Forum | Review | PDF | Favorites | |
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