Minimum energy in information transmission
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It is shown that the minimum energy required to transmit a natural unit of information (nat) over a noisy channel is kT, where T is the effective noise temperature which depends on the interaction between the information career and the environment. The result follows from the entropy defect principle and general laws of quantum dynamics without any specific assumptions.
[1] R. Landauer. Zig-zag path to understanding [physical limits of information handling] , 1994, Proceedings Workshop on Physics and Computation. PhysComp '94.
[2] R. Landauer. ZIG-ZAG PATH TO UNDERSTANDING , 1994 .