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    Enhancing the effect of quantum many-body scars on dynamics by minimizing the effective dimension

    Dooley, Shane and Kells, Graham (2020) Enhancing the effect of quantum many-body scars on dynamics by minimizing the effective dimension. Physical Review B, 102 (195114). pp. 1-6. ISSN 2469-9950

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    Quantum many-body scarring is believed to be the mechanism behind long-lived coherent oscillations in interacting Rydberg atom chains. These persistent oscillations are due to the large overlap of the many-body scars with certain initial states. We show that the “effective dimension” is a useful measure for identifying nonthermalizing initial states in many-body scarred systems. By minimising the effective dimension we find physically reasonable initial states of the Rydberg chain that lead to more pronounced and longer-lived oscillations, accentuating the effect of the many-body scars on the dynamics.

    Item Type: Article
    Keywords: enhancing; effect; quantum; scars; dynamics; minimizing; effective; dimension;
    Academic Unit: Faculty of Science and Engineering > Theoretical Physics
    Item ID: 17184
    Identification Number:
    Depositing User: Graham Kells
    Date Deposited: 15 May 2023 11:31
    Journal or Publication Title: Physical Review B
    Publisher: American Physical Society
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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