Author
Listed:
- Yun-Hao Shi
(Chinese Academy of Sciences
University of Chinese Academy of Sciences
Beijing Academy of Quantum Information Sciences)
- Zheng-Hang Sun
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Yong-Yi Wang
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Zheng-An Wang
(Beijing Academy of Quantum Information Sciences
Hefei National Laboratory)
- Yu-Ran Zhang
(South China University of Technology)
- Wei-Guo Ma
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Hao-Tian Liu
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Kui Zhao
(Beijing Academy of Quantum Information Sciences)
- Jia-Cheng Song
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Gui-Han Liang
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Zheng-Yang Mei
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Jia-Chi Zhang
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Hao Li
(Beijing Academy of Quantum Information Sciences)
- Chi-Tong Chen
(Chinese Academy of Sciences
University of Chinese Academy of Sciences)
- Xiaohui Song
(Chinese Academy of Sciences)
- Jieci Wang
(Hunan Normal University)
- Guangming Xue
(Beijing Academy of Quantum Information Sciences)
- Haifeng Yu
(Beijing Academy of Quantum Information Sciences)
- Kaixuan Huang
(Beijing Academy of Quantum Information Sciences)
- Zhongcheng Xiang
(Chinese Academy of Sciences
University of Chinese Academy of Sciences
Hefei National Laboratory)
- Kai Xu
(Chinese Academy of Sciences
University of Chinese Academy of Sciences
Beijing Academy of Quantum Information Sciences
Hefei National Laboratory)
- Dongning Zheng
(Chinese Academy of Sciences
University of Chinese Academy of Sciences
Hefei National Laboratory
Songshan Lake Materials Laboratory)
- Heng Fan
(Chinese Academy of Sciences
University of Chinese Academy of Sciences
Beijing Academy of Quantum Information Sciences
Hefei National Laboratory)
Abstract
Characterizing the nature of hydrodynamical transport properties in quantum dynamics provides valuable insights into the fundamental understanding of exotic non-equilibrium phases of matter. Experimentally simulating infinite-temperature transport on large-scale complex quantum systems is of considerable interest. Here, using a controllable and coherent superconducting quantum simulator, we experimentally realize the analog quantum circuit, which can efficiently prepare the Haar-random states, and probe spin transport at infinite temperature. We observe diffusive spin transport during the unitary evolution of the ladder-type quantum simulator with ergodic dynamics. Moreover, we explore the transport properties of the systems subjected to strong disorder or a tilted potential, revealing signatures of anomalous subdiffusion in accompany with the breakdown of thermalization. Our work demonstrates a scalable method of probing infinite-temperature spin transport on analog quantum simulators, which paves the way to study other intriguing out-of-equilibrium phenomena from the perspective of transport.
Suggested Citation
Yun-Hao Shi & Zheng-Hang Sun & Yong-Yi Wang & Zheng-An Wang & Yu-Ran Zhang & Wei-Guo Ma & Hao-Tian Liu & Kui Zhao & Jia-Cheng Song & Gui-Han Liang & Zheng-Yang Mei & Jia-Chi Zhang & Hao Li & Chi-Tong , 2024.
"Probing spin hydrodynamics on a superconducting quantum simulator,"
Nature Communications, Nature, vol. 15(1), pages 1-9, December.
Handle:
RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-52082-2
DOI: 10.1038/s41467-024-52082-2
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