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Dynamical Reduction Theories: Changing Quantum Theory so the Statevector Represents Reality

GianCarlo Ghirardi and Philip Pearle
PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association
Vol. 1990, Volume Two: Symposia and Invited Papers (1990), pp. 19-33
Stable URL: http://www.jstor.org/stable/193056
Page Count: 15
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Dynamical Reduction Theories: Changing Quantum Theory so the Statevector Represents Reality
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Abstract

The propositions, that what we see around us is real and that reality should be represented by the statevector, conflict with quantum theory. In quantum theory, the statevector can readily become a sum of states of comparable norm, each state representing a different reality. In this paper we present the Continuous Spontaneous Localization (CSL) theory, in which a modified Schrodinger equation, while scarcely affecting the dynamics of a microscopic system, rapidly "reduces" the statevector of a macroscopic system to a state appropriate for representing individual reality.

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