Kryukov, Alexey (2007) On the measurement problem for a two-level quantum system. In: UNSPECIFIED.

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Abstract

A geometric approach to quantum mechanics with unitary evolution and non-unitary collapse processes is developed. In this approach the Schroedinger evolution of a quantum system is a geodesic motion on the space of states of the system furnished with an appropriate Riemannian metric. The measuring device is modeled by a perturbation of the metric. The process of measurement is identified with a geodesic motion of state of the system in the perturbed metric. Under the assumption of random fluctuations of the perturbed metric, the Born rule for probabilities of collapse is derived. The approach is applied to a two-level quantum system to obtain a simple geometric interpretation of quantum commutators, the uncertainty principle and Planck's constant. In light of this, a lucid analysis of the double-slit experiment with collapse and an experiment on a pair of entangled particles is presented.

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Item Type:	Conference or Workshop Item (UNSPECIFIED)
Creators:	Creators Email ORCID Kryukov, Alexey
Additional Information:	Published in Foundations of Physics, 37, (2007), 3. Check out Alexey Kryukov's website for related papers.
Keywords:	measurement problem - Born rule - Berry's phase - EPR-paradox
Subjects:	Specific Sciences > Physics > Quantum Mechanics
Depositing User:	Alexey Kryukov
Date Deposited:	09 Mar 2007
Last Modified:	07 Oct 2010 15:14
Item ID:	3224
Subjects:	Specific Sciences > Physics > Quantum Mechanics
Date:	2007
URI:	https://philsci-archive.pitt.edu/id/eprint/3224

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