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Time Reversal Noninvariance in Quantum Physics

A.E. Kuzmenko

Published Apr 1, 2020• 1 citation
OpenAlex

Abstract

A number of direct and indirect experimental proofs of the nonequivalence of forward and reversed processes in quantum physics were discussed in e-print viXra:1804.0359. Here we have added a discussion of three else physical phenomena: the so-called optical precursor, entangled two-photon absorption and the Hong-Ou-Mandel effect.

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Symmetries have a crucial role in today's physics. In this thesis, we are mostly concerned with time reversal invariance (T-symmetry). A physical system is time reversal invariant if its underlying laws are not sensitive to the direction of time. There are various accounts of time reversal transformation resulting in different views on whether or not a given theory in physics is time reversal invariant. With a focus on quantum mechanics, I describe the standard account of time reversal and compare it with my alternative account, arguing why it deserves serious attention. Then, I review three known ways to T-violation in quantum mechanics, and explain two unique experiments made to detect it in the neutral K and B mesons.