Experiments on the Thermodynamics of Information Processing(Springer Theses)

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售   价:
1007.00
发货周期:外国库房发货,通常付款后3-5周到货
出  版 社
出版时间
2018年08月11日
装      帧
ISBN
9783319876160
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页      码
147
语      种
英文
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This thesis reveals how the feedback trap technique, developed to trap small objects for biophysical measurement, could be adapted for the quantitative study of the thermodynamic properties of small systems. The experiments in this thesis are related to Maxwell?s demon, a hypothetical intelligent, ?neat fingered? being that uses information to extract work from heat, apparently creating a perpetual-motion machine. 燭he second law of thermodynamics should make that impossible, but how? That question has stymied physicists and provoked debate for a century and a half. The experiments in this thesis confirm a hypothesis proposed by Rolf Landauer over fifty years ago: that Maxwell?s demon would need to erase information, and that erasing information?resetting the measuring device to a standard starting state?requires dissipating as much energy as is gained. 燜or his thesis work, the author used a ?feedback trap? to study the motion of colloidal particles in ?virtual potentials? that may be manipulated arbitrarily. The feedback trap confines a freely diffusing particle in liquid by periodically measuring its position and applying an electric field to move it back to the origin.
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