Bulk Properties of Anharmonic Chains in Strong Thermal Gradients: Non-Equilibrium $φ^4$ Theory

Details Bulk Properties of Anharmonic Chains in Strong Thermal Gradients: Non-Equilibrium $φ^4$ Theory Bulk Properties of Anharmonic Chains in Strong Thermal Gradients: Non-Equilibrium $φ^4$ Theory

1999-10-09

arxiv.org/abs/chao-dyn/9910015v1

Nonlinear Sciences

Chaotic Dynamics

14pp, 5 figs

Scientific paper

10.1016/S0375-9601(99)00899-3

We study nonequilibrium properties of a one-dimensional lattice Hamiltonian
with quartic interactions in strong thermal gradients. Nonequilibrium
temperature profiles, T(x), are found to develop significant curvature and
boundary jumps. From the determination of the bulk thermal conductivity, we
develop a quantitative description of T(x) including the jumps.

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