Heat transport in low-dimensional systems
A Dhar - Advances in Physics, 2008 - Taylor & Francis
Recent results on theoretical studies of heat conduction in low-dimensional systems are
presented. These studies are on simple, yet non-trivial, models. Most of these are classical …
presented. These studies are on simple, yet non-trivial, models. Most of these are classical …
Anomalous heat transport in one dimensional systems: a description using non-local fractional-type diffusion equation
It has been observed in many numerical simulations, experiments and from various
theoretical treatments that heat transport in one-dimensional systems of interacting particles …
theoretical treatments that heat transport in one-dimensional systems of interacting particles …
Frequency-dependent phonon mean free path in carbon nanotubes from nonequilibrium molecular dynamics
Owing to their long phonon mean free paths (MFPs) and high thermal conductivity, carbon
nanotubes (CNTs) are ideal candidates for, eg, removing heat from electronic devices. It is …
nanotubes (CNTs) are ideal candidates for, eg, removing heat from electronic devices. It is …
Anomalous heat conduction and anomalous diffusion in low dimensional nanoscale systems
Heat conduction is an important energy transport process in nature. Phonon is the major
energy carrier for heat in semiconductors and dielectric materials. In analogy to Ohm's law of …
energy carrier for heat in semiconductors and dielectric materials. In analogy to Ohm's law of …
Numerical test of hydrodynamic fluctuation theory in the Fermi-Pasta-Ulam chain
Recent work has developed a nonlinear hydrodynamic fluctuation theory for a chain of
coupled anharmonic oscillators governing the conserved fields, namely, stretch, momentum …
coupled anharmonic oscillators governing the conserved fields, namely, stretch, momentum …
Nonequilibrium Green's function method for thermal transport in junctions
We present a detailed treatment of the nonequilibrium Green's function method for thermal
transport due to atomic vibrations in nanostructures. Some of the key equations, such as self …
transport due to atomic vibrations in nanostructures. Some of the key equations, such as self …
Stationary states of activity-driven harmonic chains
We study the stationary state of a chain of harmonic oscillators driven by two active
reservoirs at the two ends. These reservoirs exert correlated stochastic forces on the …
reservoirs at the two ends. These reservoirs exert correlated stochastic forces on the …
Activity driven transport in harmonic chains
The transport properties of an extended system driven by active reservoirs is an issue of
paramount importance, which remains virtually unexplored. Here we address this issue, for …
paramount importance, which remains virtually unexplored. Here we address this issue, for …
Heat conduction in a three dimensional anharmonic crystal
We perform nonequilibrium simulations of heat conduction in a three dimensional
anharmonic lattice. By studying slabs of length N and width W, we examine the crossover …
anharmonic lattice. By studying slabs of length N and width W, we examine the crossover …
Heat Conduction in the α−β Fermi–Pasta–Ulam Chain
Recent simulation results on heat conduction in a one-dimensional chain with an
asymmetric inter-particle interaction potential and no onsite potential found non-anomalous …
asymmetric inter-particle interaction potential and no onsite potential found non-anomalous …