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Times Two: The Tenses of Linear and Collapse Dynamics in Relational Quantum Mechanics

Soltau, Andrew (2008) Times Two: The Tenses of Linear and Collapse Dynamics in Relational Quantum Mechanics. UNSPECIFIED.

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Abstract

The nature and topology of time remains an open question in philosophy, both tensed and tenseless concepts of time appear to have merit. A concept of time including both kinds of time evolution of physical systems in quantum mechanics subsumes the properties of both notions. The linear dynamics defines the universe probabilistically throughout space-time, and can be seen as the definition of a block universe. The collapse dynamics is the time evolution of the linear dynamics, and is thus of different logical type to the linear dynamics. These two different kinds of time evolution are respectively tensed and tenseless. Ascribing tensed semantics to the collapse dynamics is problematic in the light of special relativity, but this difficulty does not apply to a relational quantum mechanics. In this context, while the linear dynamics is the time evolution of the universe objectively, the collapse dynamics is the time evolution of the universe subjectively, applying solely in the functional frame of reference of the observer.


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Item Type: Other
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Soltau, Andrew
Keywords: Time; Tense; Relational Quantum Mechanics; Quantum Mechanical Linear and Collapse Dynamics;
Subjects: Specific Sciences > Physics > Quantum Mechanics
Depositing User: Andrew Soltau
Date Deposited: 31 Dec 2008
Last Modified: 13 Feb 2011 02:26
Item ID: 4391
URI: http://philsci-archive.pitt.edu/id/eprint/4391

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