View in EDS HTML Full Text PDF Full Text

Information scrambling in quantum circuits.

Saved in:
Bibliographic Details
Title: Information scrambling in quantum circuits.
Authors: Mi, Xiao, Roushan, Pedram, Quintana, Chris, Mandrà, Salvatore, Marshall, Jeffrey, Neill, Charles, Arute, Frank, Arya, Kunal, Atalaya, Juan, Babbush, Ryan, Bardin, Joseph C., Barends, Rami, Basso, Joao, Bengtsson, Andreas, Boixo, Sergio, Bourassa, Alexandre, Broughton, Michael, Buckley, Bob B., Buell, David A., Burkett, Brian
Source: Science (pre-March 2025). 12/17/2021, Vol. 374 Issue 6574, p1479-1483. 5p. 4 Diagrams.
Subjects: Quantum theory, Quantum mechanics, High performance processors, Electric circuits, Quantum operators
Abstract: Interactions in quantum systems can spread initially localized quantum information into the exponentially many degrees of freedom of the entire system. Understanding this process, known as quantum scrambling, is key to resolving several open questions in physics. Here, by measuring the time-dependent evolution and fluctuation of out-of-time-order correlators, we experimentally investigate the dynamics of quantum scrambling on a 53-qubit quantum processor. We engineer quantum circuits that distinguish operator spreading and operator entanglement and experimentally observe their respective signatures. We show that whereas operator spreading is captured by an efficient classical model, operator entanglement in idealized circuits requires exponentially scaled computational resources to simulate. These results open the path to studying complex and practically relevant physical observables with near-term quantum processors. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
Full text is not displayed to guests.
FullText Links:
  – Type: pdflink
Text:
  Availability: 1
Header DbId: pbh
DbLabel: Psychology and Behavioral Sciences Collection
An: 154186517
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Information scrambling in quantum circuits.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Mi%2C+Xiao%22">Mi, Xiao</searchLink><br /><searchLink fieldCode="AR" term="%22Roushan%2C+Pedram%22">Roushan, Pedram</searchLink><br /><searchLink fieldCode="AR" term="%22Quintana%2C+Chris%22">Quintana, Chris</searchLink><br /><searchLink fieldCode="AR" term="%22Mandrà%2C+Salvatore%22">Mandrà, Salvatore</searchLink><br /><searchLink fieldCode="AR" term="%22Marshall%2C+Jeffrey%22">Marshall, Jeffrey</searchLink><br /><searchLink fieldCode="AR" term="%22Neill%2C+Charles%22">Neill, Charles</searchLink><br /><searchLink fieldCode="AR" term="%22Arute%2C+Frank%22">Arute, Frank</searchLink><br /><searchLink fieldCode="AR" term="%22Arya%2C+Kunal%22">Arya, Kunal</searchLink><br /><searchLink fieldCode="AR" term="%22Atalaya%2C+Juan%22">Atalaya, Juan</searchLink><br /><searchLink fieldCode="AR" term="%22Babbush%2C+Ryan%22">Babbush, Ryan</searchLink><br /><searchLink fieldCode="AR" term="%22Bardin%2C+Joseph+C%2E%22">Bardin, Joseph C.</searchLink><br /><searchLink fieldCode="AR" term="%22Barends%2C+Rami%22">Barends, Rami</searchLink><br /><searchLink fieldCode="AR" term="%22Basso%2C+Joao%22">Basso, Joao</searchLink><br /><searchLink fieldCode="AR" term="%22Bengtsson%2C+Andreas%22">Bengtsson, Andreas</searchLink><br /><searchLink fieldCode="AR" term="%22Boixo%2C+Sergio%22">Boixo, Sergio</searchLink><br /><searchLink fieldCode="AR" term="%22Bourassa%2C+Alexandre%22">Bourassa, Alexandre</searchLink><br /><searchLink fieldCode="AR" term="%22Broughton%2C+Michael%22">Broughton, Michael</searchLink><br /><searchLink fieldCode="AR" term="%22Buckley%2C+Bob+B%2E%22">Buckley, Bob B.</searchLink><br /><searchLink fieldCode="AR" term="%22Buell%2C+David+A%2E%22">Buell, David A.</searchLink><br /><searchLink fieldCode="AR" term="%22Burkett%2C+Brian%22">Burkett, Brian</searchLink>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 12/17/2021, Vol. 374 Issue 6574, p1479-1483. 5p. 4 Diagrams.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Quantum+theory%22">Quantum theory</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+mechanics%22">Quantum mechanics</searchLink><br /><searchLink fieldCode="DE" term="%22High+performance+processors%22">High performance processors</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+circuits%22">Electric circuits</searchLink><br /><searchLink fieldCode="DE" term="%22Quantum+operators%22">Quantum operators</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Interactions in quantum systems can spread initially localized quantum information into the exponentially many degrees of freedom of the entire system. Understanding this process, known as quantum scrambling, is key to resolving several open questions in physics. Here, by measuring the time-dependent evolution and fluctuation of out-of-time-order correlators, we experimentally investigate the dynamics of quantum scrambling on a 53-qubit quantum processor. We engineer quantum circuits that distinguish operator spreading and operator entanglement and experimentally observe their respective signatures. We show that whereas operator spreading is captured by an efficient classical model, operator entanglement in idealized circuits requires exponentially scaled computational resources to simulate. These results open the path to studying complex and practically relevant physical observables with near-term quantum processors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=154186517
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1126/science.abg5029
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 5
        StartPage: 1479
    Subjects:
      – SubjectFull: Quantum theory
        Type: general
      – SubjectFull: Quantum mechanics
        Type: general
      – SubjectFull: High performance processors
        Type: general
      – SubjectFull: Electric circuits
        Type: general
      – SubjectFull: Quantum operators
        Type: general
    Titles:
      – TitleFull: Information scrambling in quantum circuits.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Mi, Xiao
      – PersonEntity:
          Name:
            NameFull: Roushan, Pedram
      – PersonEntity:
          Name:
            NameFull: Quintana, Chris
      – PersonEntity:
          Name:
            NameFull: Mandrà, Salvatore
      – PersonEntity:
          Name:
            NameFull: Marshall, Jeffrey
      – PersonEntity:
          Name:
            NameFull: Neill, Charles
      – PersonEntity:
          Name:
            NameFull: Arute, Frank
      – PersonEntity:
          Name:
            NameFull: Arya, Kunal
      – PersonEntity:
          Name:
            NameFull: Atalaya, Juan
      – PersonEntity:
          Name:
            NameFull: Babbush, Ryan
      – PersonEntity:
          Name:
            NameFull: Bardin, Joseph C.
      – PersonEntity:
          Name:
            NameFull: Barends, Rami
      – PersonEntity:
          Name:
            NameFull: Basso, Joao
      – PersonEntity:
          Name:
            NameFull: Bengtsson, Andreas
      – PersonEntity:
          Name:
            NameFull: Boixo, Sergio
      – PersonEntity:
          Name:
            NameFull: Bourassa, Alexandre
      – PersonEntity:
          Name:
            NameFull: Broughton, Michael
      – PersonEntity:
          Name:
            NameFull: Buckley, Bob B.
      – PersonEntity:
          Name:
            NameFull: Buell, David A.
      – PersonEntity:
          Name:
            NameFull: Burkett, Brian
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 17
              M: 12
              Text: 12/17/2021
              Type: published
              Y: 2021
          Identifiers:
            – Type: issn-print
              Value: 00368075
          Numbering:
            – Type: volume
              Value: 374
            – Type: issue
              Value: 6574
          Titles:
            – TitleFull: Science (pre-March 2025)
              Type: main
ResultId 1