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Maxwell demons, feedback control, and fluctuation theorems
Published on Oct 16, 20124021 Views
As illustrated by the Maxwell demon and its sequels, feedback can be utilized to convert information into useful work. The recently developed fluctuation theorems turn out to be a powerful tool to ana
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Chapter list
Maxwell demons, feedback control, and fluctuation theorems (1)00:00
Maxwell demons, feedback control, and fluctuation theorems (2)04:09
The Szilard engine04:15
Maxwell demons, feedback control, and fluctuation theorems (2)07:30
“Weak” irreversibility (1)09:14
“Weak” irreversibility (2)13:13
Irreversibility and dissipation (1)15:08
Irreversibility and dissipation (2)16:17
Irreversibility and dissipation (3)17:21
Fluctuation theorems (1)18:38
Fluctuation theorems (2)20:39
“Soft” Szilard26:47
Feedback vs. blind protocols28:24
Fluctuation theorems30:47
Fluctuation theorems and control33:21
Optimal control protocol (1)34:38
Optimal control protocol (2)36:38
An example: multiparticle Szilard engines (1)37:27
An example: multiparticle Szilard engines (2)39:49
Many particles42:12
Why the protocol extracts energy?43:49
Conclusions44:46
Thanks45:43