[HTML][HTML] Green's function methods for single molecule junctions

G Cohen, M Galperin - The Journal of chemical physics, 2020 - pubs.aip.org
We present a brief pedagogical review of theoretical Green's function methods applicable to
open quantum systems out of equilibrium, in general, and single molecule junctions, in …

Quantum phonon transport in nanomaterials: combining atomistic with non-equilibrium green's function techniques

L Medrano Sandonas, R Gutierrez, A Pecchia, A Croy… - Entropy, 2019 - mdpi.com
A crucial goal for increasing thermal energy harvesting will be to progress towards atomistic
design strategies for smart nanodevices and nanomaterials. This requires the combination …

Strategic damping placement in viscoelastic bandgap structures: dissecting the metadamping phenomenon in multiresonator metamaterials

A Aladwani, M Nouh - Journal of Applied Mechanics, 2021 - asmedigitalcollection.asme.org
Energy dissipation in polymeric composite metamaterials requires special mathematical
models owing to the viscoelastic nature of their constituents, namely, the polymeric matrix …

Discrete breathers assist energy transfer to ac-driven nonlinear chains

D Saadatmand, D Xiong, VA Kuzkin, AM Krivtsov… - Physical Review E, 2018 - APS
A one-dimensional chain of pointwise particles harmonically coupled with nearest neighbors
and placed in sixth-order polynomial on-site potentials is considered. The power of the …

[HTML][HTML] Optical properties of periodically driven open nonequilibrium quantum systems

G Cabra, I Franco, M Galperin - The Journal of chemical physics, 2020 - pubs.aip.org
Characterization and control of matter by optical means is at the forefront of research both
due to fundamental insights and technological promise. Theoretical modeling of periodically …

[HTML][HTML] Interaction of phonons with discrete breathers in one-dimensional chain with tunable type of anharmonicity

F Hadipour, D Saadatmand, M Ashhadi, AM Marjaneh… - Physics Letters A, 2020 - Elsevier
In this paper, we consider the interaction of small amplitude waves (phonons) with standing
discrete breather (DB) in the one-dimensional chain of harmonically coupled particles …

Atomistic framework for time-dependent thermal transport

L Medrano Sandonas, A Croy, R Gutierrez… - The Journal of …, 2018 - ACS Publications
Phonons play a major role for the performance of nanoscale devices and consequently a
detailed understanding of phonon dynamics is required. Using an auxiliary-mode approach …

Towards ultrafast cooling through transient phonon currents: A closed-form solution

X Chen, J Yuan, J Wang - Physical Review B, 2021 - APS
We develop a closed-form formula to calculate the transient thermal currents flowing through
an arbitrary nanoscale phonon device in response to a sudden thermal switch. Our theory …

[PDF][PDF] Computational modeling of thermal transport in low-dimensional materials

LRM Sandonas - 2018 - researchgate.net
Over the past two decades, controlling thermal transport properties at the nanoscale has
become more and more relevant. This is mostly motivated by the need of developing novel …

[PDF][PDF] Discrete breathers assist energy transfer to ac-driven nonlinear chains

D Xiong, VA Kuzkin, AM Krivtsov, AV Savin… - 2018 - vital.lib.tsu.ru
For many physical systems, a common basic problem is the response of a nonlinear medium
to periodic excitations at the boundary or inside a local region in the bulk [1–11]. The energy …