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Condensed Matter > Statistical Mechanics

Title: Anomalous heat equation in a system connected to thermal reservoirs

Abstract: We study anomalous transport in a one-dimensional system with two conserved quantities in presence of thermal baths. In this system we derive exact expressions of the temperature profile and the two point correlations in steady state as well as in the non-stationary state where the later describes the relaxation to the steady state. In contrast to the Fourier heat equation in the diffusive case, here we show that the evolution of the temperature profile is governed by a non-local anomalous heat equation. We provide numerical verifications of our results.
Comments: Main text: 5 pages. Supplementary: 9 page. 5 Figures
Subjects: Statistical Mechanics (cond-mat.stat-mech); Mathematical Physics (math-ph); Chaotic Dynamics (nlin.CD)
Cite as: arXiv:1803.06857 [cond-mat.stat-mech]
  (or arXiv:1803.06857v1 [cond-mat.stat-mech] for this version)

Submission history

From: Aritra Kundu [view email]
[v1] Mon, 19 Mar 2018 10:22:04 GMT (3246kb,D)