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Irreversible behaviour of a gas owing to Unruh radiation
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Irreversible behaviour of a gas owing to Unruh radiation
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Paper
Irreversible behaviour of a gas owing to Unruh radiation
2023
Overview
When gas molecules collide, they accelerate, and therefore encounter the Fulling-Davies-Unruh and Moore-DeWitt effects. The size of these effects is sufficient to randomize the motion of the gas molecules after about 1 nanosecond at standard temperature and pressure. Such observations show that quantum field theory modifies what is required to isolate a physical system sufficiently for its behaviour to be unitary. In practice the requirements are never satisfied exactly. Therefore the evolution of the observable universe is non-unitary and thermodynamically irreversible.
Publisher
Cornell University Library, arXiv.org
Subject
