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Journal Article

How periodic driving heats a disordered quantum spin chain

MPS-Authors
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Rehn,  Jorge Armando
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Lazarides,  Achilleas
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Pollmann,  Frank
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Moessner,  Roderich
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

External Resource

https://journals.aps.org/prb/abstract/10.1103/PhysRevB.94.020201
(Publisher version)

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Fulltext (public)

1603.03054.pdf
(Preprint), 999KB

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Citation

Rehn, J. A., Lazarides, A., Pollmann, F., & Moessner, R. (2016). How periodic driving heats a disordered quantum spin chain. Physical Review B, 94(2): 020201. doi:10.1103/PhysRevB.94.020201.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-19FE-B
Abstract
We study the energy absorption in real time of a disordered quantum spin chain subjected to coherent monochromatic periodic driving. We determine characteristic fingerprints of the well-known ergodic (Floquet-Eigenstate thermalization hypothesis for slow driving/weak disorder) and many-body localized (Floquet-many-body localization for fast driving/strong disorder) phases. In addition, we identify an intermediate regime, where the energy density of the system-unlike the entanglement entropy a local and bounded observable-grows logarithmically slowly over a very large time window.