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  Many-body hierarchy of dissipative timescales in a quantum computer

Sommer, O. E., Piazza, F., & Luitz, D. J. (2021). Many-body hierarchy of dissipative timescales in a quantum computer. Physical Review Research, 3(2): 023190. doi:10.1103/PhysRevResearch.3.023190.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-F8D1-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-F8D2-3
Genre: Journal Article

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2011.08853.pdf (Preprint), 842KB
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 Creators:
Sommer, Oscar Emil1, Author
Piazza, Francesco2, Author           
Luitz, David J.2, Author           
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1external, ou_persistent22              
2Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 Abstract: We show that current noisy quantum computers are ideal platforms for the simulation of quantum many-body dynamics in generic open systems. We demonstrate this using the IBM Quantum Computer as an experimental platform for confirming the theoretical prediction from Wang et al., [Phys. Rev. Lett. 124, 100604 (2020)] of an emergent hierarchy of relaxation timescales of many-body observables involving different numbers of qubits. Using different protocols, we leverage the intrinsic dissipation of the machine responsible for gate errors, to implement a quantum simulation of generic (i.e., structureless) local dissipative interactions.

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 Dates: 2021-06-072021-06-01
 Publication Status: Issued
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 Identifiers: ISI: 000662072100004
DOI: 10.1103/PhysRevResearch.3.023190
arXiv: 2011.08853
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Title: Physical Review Research
Source Genre: Journal
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Publ. Info: College Park, Maryland, United States : American Physical Society (APS)
Pages: - Volume / Issue: 3 (2) Sequence Number: 023190 Start / End Page: - Identifier: ISSN: 2643-1564
CoNE: https://pure.mpg.de/cone/journals/resource/2643-1564