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author:

Wang, Huan-Yu (Wang, Huan-Yu.) [1] (Scholars:王寰宇) | Wu, Huai-Zhi (Wu, Huai-Zhi.) [2] (Scholars:吴怀志) | Zhao, Erhai (Zhao, Erhai.) [3] | Wang, Ru-Quan (Wang, Ru-Quan.) [4] | Wang, Xun-Gao (Wang, Xun-Gao.) [5] | Liu, Wu-Ming (Liu, Wu-Ming.) [6]

Indexed by:

EI Scopus SCIE

Abstract:

Time periodic driving can serve as synthetic gauge fields and plays a key role in simulating dynamical topological materials. The periodically driven systems, where different spins (or sublattices) are engaged in the different dynamical driving processes are investigated. It is demonstrated that spin-dependent time-periodical periodic driving can result in shifted topological edge modes with non-zero (nor +/- omega/2) quasi-energies. Such shifted topological edge modes are not only related to the spin imbalance at each instantaneous time, but also the details of the dynamical driving. Here, it is also illustrated that the spin-dependent time-periodical driving can be conceived as the time-spin coupling, and similar to the static spatial spin-orbit coupling, tuning time-spin coupling parameters can lead to topological phase transitions. Experimental simulations on the spin-dependent time-periodic driving are proposed by shaking optical super-lattices and Raman assisted tunneling.

Keyword:

shifted edge modes spin-dependent time-periodic driving topological phase transitions

Community:

  • [ 1 ] [Wang, Huan-Yu]Fuzhou Univ, Dept Phys, Fuzhou 350108, Peoples R China
  • [ 2 ] [Wu, Huai-Zhi]Fuzhou Univ, Dept Phys, Fuzhou 350108, Peoples R China
  • [ 3 ] [Zhao, Erhai]George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA
  • [ 4 ] [Wang, Ru-Quan]Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
  • [ 5 ] [Liu, Wu-Ming]Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
  • [ 6 ] [Wang, Xun-Gao]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, CAS Key Lab Quantum Opt, Shanghai 201800, Peoples R China
  • [ 7 ] [Wang, Xun-Gao]Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Ctr Cold Atom Phys, Shanghai 201800, Peoples R China

Reprint 's Address:

  • 王寰宇

    [Wang, Huan-Yu]Fuzhou Univ, Dept Phys, Fuzhou 350108, Peoples R China;;[Zhao, Erhai]George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA;;[Wang, Ru-Quan]Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China;;[Liu, Wu-Ming]Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

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Source :

ADVANCED QUANTUM TECHNOLOGIES

ISSN: 2511-9044

Year: 2023

Issue: 6

Volume: 6

4 . 4

JCR@2023

4 . 4 0 0

JCR@2023

ESI Discipline: PHYSICS;

ESI HC Threshold:30

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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