Quantum decoherence and the approach to equilibrium (II) |
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Authors: | Meir Hemmo Orly Shenker |
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Affiliation: | aDepartment of Philosophy, University of Haifa, Haifa 31905, Israel;bDepartment of Natural and Life Sciences, The Open University of Israel, 108 Ravutzki Street, Ra’anana, Israel |
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Abstract: | In a previous paper [Hemmo, M & Shenker, O (2003). Quantum decoherence and the approach to equilibrium I. Philosophy of Science, 70, 330–358] we discussed a recent proposal by Albert [(2000). Time and chance. Cambridge, MA: Harvard University Press. Chapter 7] to recover thermodynamics on a purely dynamical basis, using the quantum theory of the collapse of the quantum state of [Ghirardi, G, Rimini, A and Weber, T., (1986). Unified dynamics for microscopic and macroscopic systems. Physical Review, D 34, 470–479]. We proposed an alternative way to explain thermodynamics within no collapse interpretations of quantum mechanics. In this paper some difficulties faced by both approaches are discussed and solved: the spin echo experiments, and the problem of extremely light gases. In these contexts, we point out several ways in which the above quantum mechanical approaches as well as some other classical approaches to the foundations of statistical mechanics may be distinguished experimentally. |
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Keywords: | GRW Quantum decoherence Spin echo Statistical mechanics Thermodynamics |
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