Time's arrow and irreversibility in time-asymmetric quantum mechanics

The aim of this paper is to analyze time-asymmetric quantum mechanics with respect to the problems of irreversibility and of time's arrow. We begin with arguing that both problems are conceptually different. Then, we show that, contrary to a common opinion, the theory's ability to describe irreversible quantum processes is not a consequence of the semigroup evolution laws expressing the non-time-reversal invariance of the theory. Finally, we argue that time-asymmetric quantum mechanics, either in Prigogine's version or in Bohm's version, does not solve the problem of the arrow of time because it does not supply a substantial and theoretically founded criterion for distinguishing between the two directions of time.
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DOI 10.1080/02698590500460806
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References found in this work BETA
John Earman (2002). What Time Reversal Invariance is and Why It Matters. International Studies in the Philosophy of Science 16 (3):245 – 264.
Robert C. Bishop (2004). Nonequilibrium Statistical Mechanics Brussels–Austin Style. Studies in History and Philosophy of Science Part B 35 (1):1-30.

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