arXiv Open Access 2022

Dynamics of topological defects after a photo-induced melting of a charge-density wave

Andrei E. Tarkhov A. V. Rozhkov Alfred Zong Anshul Kogar Nuh Gedik +1 lainnya

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Abstrak

Charge-density-wave order in a solid can be temporarily "melted" by a strong laser pulse. Here we use the discrete Gross-Pitaevskii equation on a cubic lattice to simulate the recovery of the CDW long-range phase coherence following such a pulse. Our simulations indicate that the recovery process is dramatically slowed down by the three-dimensional topological defects - CDW dislocations - created as a result of strongly nonequilibrium heating and cooling of the system. Overall, the simulated CDW recovery was found to be remarkably reminiscent of a recent pump-probe experiment in LaTe$_3$.

Topik & Kata Kunci

cond-mat.str-el cond-mat.mes-hall cond-mat.quant-gas cond-mat.supr-con quant-ph

Penulis (6)

Andrei E. Tarkhov

A. V. Rozhkov

Alfred Zong

Anshul Kogar

Nuh Gedik

Boris V. Fine

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Tarkhov, A.E., Rozhkov, A.V., Zong, A., Kogar, A., Gedik, N., Fine, B.V. (2022). Dynamics of topological defects after a photo-induced melting of a charge-density wave. https://arxiv.org/abs/2203.05001

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Tahun Terbit: 2022
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓