Discrete time crystal made of topological edge magnons

We report the emergence of time-crystalline behavior in the \pi-Berry phase protected edge states of a Heisenberg ferromagnet in the presence of an external driving field. The magnon amplification due to the external field spontaneously breaks the discrete time-translational symmetry, resulting i...

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Bibliographic Details
Main Authors: Bhowmick, Dhiman, Sun, Hao, Yang, Bo, Sengupta, Pinaki
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2023
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Online Access:https://hdl.handle.net/10356/171746
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Institution: Nanyang Technological University
Language: English

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