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Guarneri, Italo; Tian, Chushun1,2; Wang, Jiao3,4
Self-duality triggered dynamical transition
Source PublicationPHYSICAL REVIEW B
AbstractA basic result on the dynamics of spinless quantum systems is that the Maryland model exhibits dynamical localization in any dimension. Here we implement mathematical spectral theory and numerical experiments to show that this result does not hold when the two-dimensional Maryland model is endowed with spin 1/2-hereafter dubbed spin-Maryland (SM) model. Instead, in a family of SM models, tuning the (effective) Planck constant drives dynamical localization-delocalization transitions of topological nature. These transitions are triggered by the self-duality, a symmetry generated by some transformation in the parameter-the inverse Planck constant-space. This provides significant insights into new dynamical phenomena such as what occur in the spinful quantum kicked rotor.
Cooperation Status国际
Subject AreaMaterials Science ; Physics
MOST Discipline CatalogueMaterials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
Indexed BySCIE
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Document Type期刊论文
Affiliation1.Univ Insubria, Ctr Nonlinear & Complex Syst, Via Valleggio 11, I-22100 Como, Italy
2.Chinese Acad Sci, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China
4.Xiamen Univ, Dept Phys, Xiamen 361005, Fujian, Peoples R China
5.Xiamen Univ, Dept Educ Fujian Prov, Key Lab Low Dimens Condensed Matter Phys, Xiamen 361005, Fujian, Peoples R China
Recommended Citation
GB/T 7714
Guarneri, Italo,Tian, Chushun,Wang, Jiao. Self-duality triggered dynamical transition[J]. PHYSICAL REVIEW B,2020,102(4):45433.
APA Guarneri, Italo,Tian, Chushun,&Wang, Jiao.(2020).Self-duality triggered dynamical transition.PHYSICAL REVIEW B,102(4),45433.
MLA Guarneri, Italo,et al."Self-duality triggered dynamical transition".PHYSICAL REVIEW B 102.4(2020):45433.
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