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.... Ultimately, I agree with the other posters -- you're applying
macroscopic concepts like pressure, temperature and volume to a
system where they don't apply. Hence, the paradoxes.
... applying macroscopic concepts like pressure, temperature and
volume to a system where they don't apply.
Maxwell's demon was born in 1867 and still thrives in modern physics.
He plays important roles in clarifying the connections between two
theories: thermodynamics and information. Here, we present the
history of the demon and a variety of interesting consequences of the
second law of thermodynamics, mainly in quantum mechanics, but also
in the theory of gravity. We also highlight some of the recent work
that explores the role of information, illuminated by Maxwell's
demon, in the arena of quantum information theory.