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The thermodynamics of writing a random polymer Christopher Jarzynski*

Summary: The thermodynamics of writing a random polymer
Christopher Jarzynski*
Department of Chemistry and Biochemistry, and Institute for Physical Science and Technology, University of Maryland,
College Park, MD 20742
he notion that information has
physical, and in particular, ther-
modynamic, content can be
traced to the paradox of Max-
well's demon, a sly creature who ob-
serves the microscopic motions of gas
particles on both sides of a partition (1).
By controlling a trap door the demon
segregates fast particles from slow ones
to create a temperature difference
across the partition, seemingly without
expending any work. Generations of
physicists have scratched their heads
over this apparent violation of the sec-
ond law of thermodynamics (2­5). The


Source: Andrieux, David - Service de Physique Non-Linéaire and Mécanique Statistique, Université Libre de Bruxelles


Collections: Physics; Biology and Medicine