Comment on Ashtekar: Generalization of Wigner's Principle

TL;DR

This paper discusses extending Wigner's Principle, a method for testing time asymmetry, to broader mechanical frameworks beyond quantum theory, highlighting its potential for more general physical theories.

Contribution

It demonstrates that Wigner's Principle can be generalized beyond quantum mechanics to other formulations of mechanics, complementing Ashtekar's previous work.

Findings

Wigner's Principle can be extended to general mechanical theories.

The generalization broadens the scope of testing time asymmetry.

It complements existing methods for detecting T-violation.

Abstract

Ashtekar (2013) has illustrated that two of the available roads to testing for time asymmetry can be generalized beyond the structure of quantum theory, to much more general formulations of mechanics. The purpose of this note is to show that a third road to T-violation, which I have called "Wigner's Principle," can be generalized in this way as well.