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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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Abstract
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: | 10.1103/PhysRevB.102.195114 |
| Depositing User: | Graham Kells |
| Date Deposited: | 15 May 2023 11:31 |
| Journal or Publication Title: | Physical Review B |
| Publisher: | American Physical Society |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mural.maynoothuniversity.ie/id/eprint/17184 |
| 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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