Driving quantum many-body scars in the PXP model

Simple item page
dc.citation.issue10
dc.citation.rankM21
dc.citation.spage104302
dc.citation.volume106
dc.contributor.authorHudomal, Ana
dc.contributor.authorDesaules, Jean-Yves
dc.contributor.authorMukherjee, Bhaskar
dc.contributor.authorSu, Guo-Xian
dc.contributor.authorHalimeh, Jad C.
dc.contributor.authorPapić, Zlatko
dc.date.accessioned2024-06-19T08:49:04Z
dc.date.available2024-06-19T08:49:04Z
dc.date.issued2022-09-02
dc.description.abstractPeriodic driving has been established as a powerful technique for engineering novel phases of matter and intrinsically out-of-equilibrium phenomena such as time crystals. Recent paper by Bluvstein et al. [Science 371, 1355 (2021)0036-807510.1126/science.abg2530] has demonstrated that periodic driving can also lead to a significant enhancement of quantum many-body scarring, whereby certain nonintegrable systems can display persistent quantum revivals from special initial states. Nevertheless, the mechanisms behind driving-induced scar enhancement remain poorly understood. Here we report a detailed study of the effect of periodic driving on the PXP model describing Rydberg atoms in the presence of a strong Rydberg blockade - the canonical static model of quantum many-body scarring. We show that periodic modulation of the chemical potential gives rise to a rich phase diagram, with at least two distinct types of scarring regimes that we distinguish by examining their Floquet spectra. We formulate a toy model, based on a sequence of square pulses, that accurately captures the details of the scarred dynamics and allows for analytical treatment in the large-amplitude and high-frequency driving regimes. Finally, we point out that driving with a spatially inhomogeneous chemical potential allows to stabilize quantum revivals from arbitrary initial states in the PXP model, via a mechanism similar to prethermalization.
dc.identifier.doi10.1103/physrevb.106.104302
dc.identifier.issn2469-9950
dc.identifier.issn2469-9969
dc.identifier.scopus2-s2.0-85138213646
dc.identifier.urihttps://pub.ipb.ac.rs/handle/123456789/123
dc.identifier.wos000853680200001
dc.language.isoen
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofPhysical Review B
dc.relation.ispartofabbrPhys. Rev. B
dc.rightsrestrictedAccess
dc.titleDriving quantum many-body scars in the PXP model
dc.typeArticle
dc.type.versionpublishedVersion
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Hudomal2022_PhysRevB.106.104302.pdf
Size:
6.74 MB
Format:
Adobe Portable Document Format
Description:
Download
Collections
Publications