Information scrambling in quantum circuits
Author:
Mi Xiao1ORCID, Roushan Pedram1ORCID, Quintana Chris1, Mandrà Salvatore23ORCID, Marshall Jeffrey24ORCID, Neill Charles1ORCID, Arute Frank1, Arya Kunal1ORCID, Atalaya Juan1, Babbush Ryan1ORCID, Bardin Joseph C.15ORCID, Barends Rami1, Basso Joao1ORCID, Bengtsson Andreas1ORCID, Boixo Sergio1ORCID, Bourassa Alexandre16ORCID, Broughton Michael1, Buckley Bob B.1ORCID, Buell David A.1, Burkett Brian1ORCID, Bushnell Nicholas1ORCID, Chen Zijun1, Chiaro Benjamin1, Collins Roberto1ORCID, Courtney William1, Demura Sean1ORCID, Derk Alan R.1, Dunsworth Andrew1, Eppens Daniel1ORCID, Erickson Catherine1, Farhi Edward1, Fowler Austin G.1ORCID, Foxen Brooks1ORCID, Gidney Craig1, Giustina Marissa1, Gross Jonathan A.1ORCID, Harrigan Matthew P.1ORCID, Harrington Sean D.1ORCID, Hilton Jeremy1, Ho Alan1, Hong Sabrina1, Huang Trent1, Huggins William J.1, Ioffe L. B.1ORCID, Isakov Sergei V.1, Jeffrey Evan1, Jiang Zhang1ORCID, Jones Cody1, Kafri Dvir1ORCID, Kelly Julian1, Kim Seon1ORCID, Kitaev Alexei17, Klimov Paul V.1, Korotkov Alexander N.18, Kostritsa Fedor1, Landhuis David1ORCID, Laptev Pavel1, Lucero Erik1ORCID, Martin Orion1ORCID, McClean Jarrod R.1ORCID, McCourt Trevor1, McEwen Matt19ORCID, Megrant Anthony1ORCID, Miao Kevin C.1, Mohseni Masoud1, Montazeri Shirin1, Mruczkiewicz Wojciech1ORCID, Mutus Josh1, Naaman Ofer1ORCID, Neeley Matthew1ORCID, Newman Michael1, Niu Murphy Yuezhen1, O’Brien Thomas E.1ORCID, Opremcak Alex1, Ostby Eric1, Pato Balint1, Petukhov Andre1, Redd Nicholas1, Rubin Nicholas C.1ORCID, Sank Daniel1ORCID, Satzinger Kevin J.1ORCID, Shvarts Vladimir1, Strain Doug1, Szalay Marco1ORCID, Trevithick Matthew D.1ORCID, Villalonga Benjamin1, White Theodore1ORCID, Yao Z. Jamie1ORCID, Yeh Ping1ORCID, Zalcman Adam1ORCID, Neven Hartmut1ORCID, Aleiner Igor1, Kechedzhi Kostyantyn1ORCID, Smelyanskiy Vadim1ORCID, Chen Yu1ORCID
Affiliation:
1. Google Research, Mountain View, CA, USA. 2. QuAIL, NASA Ames Research Center, Moffett Field, CA, USA. 3. KBR, Inc., Houston, TX, USA. 4. USRA Research Institute for Advanced Computer Science, Mountain View, CA, USA. 5. Department of Electrical and Computer Engineering, University of Massachusetts, Amherst, MA, USA. 6. Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA. 7. Institute for Quantum Information and Matter, California Institute of Technology, Pasadena, CA, USA. 8. Department of Electrical and Computer Engineering, University of California, Riverside, CA, USA. 9. Department of Physics, University of California, Santa Barbara, CA, USA.
Abstract
Quantum scrambling
Information spreading in interacting quantum systems is of relevance to a wide range of settings, from black holes to strange metals. Mi
et al
. used the Sycamore quantum processor to study this process. Through judicial design of quantum circuits, the researchers were able to separate the contributions of operator spreading and operator entanglement. Measuring the mean value and fluctuations of a specific correlator enabled quantifying these distinct contributions. —JS
Publisher
American Association for the Advancement of Science (AAAS)
Subject
Multidisciplinary
Cited by
158 articles.
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