Experimental simulation of Dirac equation in superconducting qubits

Abstract The Dirac equation elucidates fundamental physical principles and predicts significant physical phenomena. Its simulation further offers explanations for subsequent physics observations. We map the 3+1-dimensional Dirac equation onto the first excited manifold of four qubits to simulate the...

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Main Authors: Yu Zhang, Jianwen Xu, Zhuang Ma, Wen Zheng, Dong Lan, Xinsheng Tan, Yang Yu
Format: Article
Language:English
Published: Nature Portfolio 2025-06-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-025-02112-2
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author Yu Zhang
Jianwen Xu
Zhuang Ma
Wen Zheng
Dong Lan
Xinsheng Tan
Yang Yu
author_facet Yu Zhang
Jianwen Xu
Zhuang Ma
Wen Zheng
Dong Lan
Xinsheng Tan
Yang Yu
author_sort Yu Zhang
collection DOAJ
description Abstract The Dirac equation elucidates fundamental physical principles and predicts significant physical phenomena. Its simulation further offers explanations for subsequent physics observations. We map the 3+1-dimensional Dirac equation onto the first excited manifold of four qubits to simulate the internal four-component spinor dynamics. Additionally, we simulate two intriguing and challenging-to-implement physical phenomena: the Zitterbewegung effect and the Sauter-Schwinger effect. Compared to previous simulations, our system provides a larger parameter space, allowing for a more comprehensive exploration of physical properties. This work enhances our understanding of spinor dynamics.
format Article
id doaj-art-8e2e1c0bb67a4d5ca9a57bd84f6a0035
institution Kabale University
issn 2399-3650
language English
publishDate 2025-06-01
publisher Nature Portfolio
record_format Article
series Communications Physics
spelling doaj-art-8e2e1c0bb67a4d5ca9a57bd84f6a00352025-08-20T03:45:11ZengNature PortfolioCommunications Physics2399-36502025-06-01811710.1038/s42005-025-02112-2Experimental simulation of Dirac equation in superconducting qubitsYu Zhang0Jianwen Xu1Zhuang Ma2Wen Zheng3Dong Lan4Xinsheng Tan5Yang Yu6National Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityNational Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityNational Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityNational Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityNational Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityNational Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityNational Laboratory of Solid State Microstructures, School of Physics, Nanjing UniversityAbstract The Dirac equation elucidates fundamental physical principles and predicts significant physical phenomena. Its simulation further offers explanations for subsequent physics observations. We map the 3+1-dimensional Dirac equation onto the first excited manifold of four qubits to simulate the internal four-component spinor dynamics. Additionally, we simulate two intriguing and challenging-to-implement physical phenomena: the Zitterbewegung effect and the Sauter-Schwinger effect. Compared to previous simulations, our system provides a larger parameter space, allowing for a more comprehensive exploration of physical properties. This work enhances our understanding of spinor dynamics.https://doi.org/10.1038/s42005-025-02112-2
spellingShingle Yu Zhang
Jianwen Xu
Zhuang Ma
Wen Zheng
Dong Lan
Xinsheng Tan
Yang Yu
Experimental simulation of Dirac equation in superconducting qubits
Communications Physics
title Experimental simulation of Dirac equation in superconducting qubits
title_full Experimental simulation of Dirac equation in superconducting qubits
title_fullStr Experimental simulation of Dirac equation in superconducting qubits
title_full_unstemmed Experimental simulation of Dirac equation in superconducting qubits
title_short Experimental simulation of Dirac equation in superconducting qubits
title_sort experimental simulation of dirac equation in superconducting qubits
url https://doi.org/10.1038/s42005-025-02112-2
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AT jianwenxu experimentalsimulationofdiracequationinsuperconductingqubits
AT zhuangma experimentalsimulationofdiracequationinsuperconductingqubits
AT wenzheng experimentalsimulationofdiracequationinsuperconductingqubits
AT donglan experimentalsimulationofdiracequationinsuperconductingqubits
AT xinshengtan experimentalsimulationofdiracequationinsuperconductingqubits
AT yangyu experimentalsimulationofdiracequationinsuperconductingqubits