Journal
PHYSICAL REVIEW LETTERS
Volume 125, Issue 17, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.125.170503
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Funding
- National Key R&D Program of China [2017YFA0304300]
- Chinese Academy of Sciences
- Anhui Initiative in Quantum Information Technologies
- Technology Committee of Shanghai Municipality
- National Natural Science Foundation of China [11574380, 11905217]
- Natural Science Foundation of Shanghai [19ZR1462700]
- Shanghai Municipal Science and Technology Major Project [2019SHZDZX01]
- Japanese MEXT Quantum Leap Flagship Program (MEXT Q-LEAP) [15H05870]
- JSPS KAKENHI Grant [19H00662]
- John Templeton Foundation [JTF 60478]
- Grants-in-Aid for Scientific Research [19H00662] Funding Source: KAKEN
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We report the analog simulation of an ergodic-localized junction by using an array of 12 coupled superconducting qubits. To perform the simulation, we fabricated a superconducting quantum processor that is divided into two domains: one is a driven domain representing an ergodic system, while the second is localized under the effect of disorder. Because of the overlap between localized and delocalized states, for a small disorder there is a proximity effect and localization is destroyed. To experimentally investigate this, we prepare a microwave excitation in the driven domain and explore how deep it can penetrate the disordered region by probing its dynamics. Furthermore, we perform an ensemble average over 50 realizations of disorder, which clearly shows the proximity effect. Our work opens a new avenue to build quantum simulators of driven-disordered systems with applications in condensed matter physics and material science.
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