Onsager relations, nonequilibrium phase transitions and absolute negative mobility
题目：Onsager relations, nonequilibrium phase transitions and absolute negative mobility
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The understanding of the underlying dynamical mechanisms which determines the macroscopic laws of heat conduction is a long standing task of non-equilibrium statistical mechanics. A better understanding of such mechanism may also lead to potentially interesting applications based on the possibility to control the heat flow, and to new theoretical results. In particular we discuss the possibility of absolute negative mobility (ANM) which is a highly counterintuitive phenomenon, where the sign of the induced current is opposite to the applied forces.
We also provide analytical and numerical evidence that Onsager reciprocal relations remain valid for systems with broken time-reversal symmetry as is typically the case when a generic magnetic field is present. Hence, the fundamental constraints that Onsager relations impose on heat to work conversion remain valid also with broken time-reversal symmetry. In particular, the possibility of an engine operating at the Carnot efficiency with finite power is ruled out on purely thermodynamic grounds.
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Italian Prize for Physics “F. Somaini” （1991）
Enrico Fermi Prize（2008）
International prize for Physics 2010- Accademia Nazionale dei Lincei（2010）