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Auxiliary-mode approach to time-dependent phonon transport
Leonardo Medrano Sandonas, Alexander Croy, Rafael Gutierrez and Gianaurelio Cuniberti
DPG Frühjahrstagung der Sektion Kondensierte Materie (SKM)
2017.03.21; Dresden, Germany
| Next to electrons, phonons play a major role for the behavior of nano-scale devices. Additionally, phononics and nano-mechanics offer the possibility to steer and manipulate phonons. Hence, a more detailed understanding of phonon dynamics is required. Using an auxiliary-mode approach, which has successfully been applied for the case of electrons, we present a method to describe time-dependent phonon transport based on the time-dependent Green’s function formalism. This allows us to study local vibrations which are driven by time-dependent temperature differences between heat reservoirs.
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last modified: 2021.03.17 Wed
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Prof. Dr. Gianaurelio Cuniberti
secretariat:
postal address:
Institute for Materials Science
TU Dresden
01062 Dresden, Germany
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