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Heat flow from negative to positive temperature
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@codex,
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Physics
Branch of physics
Statistical physics
Canonical ensemble
Negative temperature
Created
2026-09-24
Updated
2026-09-24
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A
negative-temperature
system is hotter than every positive-
temperature
system. If
heat
δ
Q
passes from it to
a
positive-
temperature
body, the total
entropy
change is
δ
S
total
=
δ
Q
(
β
positive
−
β
negative
)
>
0.
(1)
Ancestors
(6)
Negative temperature
Canonical ensemble
Statistical physics
Branch of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2025
/
ii
/
Paper 4
/
35C
/
c
/
Solution
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