Dynamics of topological defects after photoinduced melting of a charge density wave

Авторы: Tarkhov Andrei E., Rozhkov A.V., Fine Boris V.
Журнал: Physical Review B
Том: 106
Номер: 12
Год издания: 2022
Издательство: American Physical Society
Местоположение издательства: United States
Первая страница: L121109
DOI: 10.1103/physrevb.106.l121109
Аннотация: 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 LaTe3.
Добавил в систему: Тархов Андрей Евгеньевич

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