Impact of geometry on many-body localization

被引：12
作者：
Wiater, Dariusz [1 ,2 ]
Zakrzewski, Jakub [1 ,3 ]
机构：
[1] Uniwersytet Jagiellonski, Inst Fizyki Imienia Mariana Smoluchowskiego, Ulica Lojasiewicza 11, PL-30059 Krakow, Poland
[2] Polish Acad Sci, Inst Phys, Aleja Lotnikow 32-46, PL-02668 Warsaw, Poland
[3] Uniwersytet Jagiellonski, Mark Kac Complex Syst Res Ctr, Krakow, Poland
来源：
PHYSICAL REVIEW B | 2018年 / 98卷 / 09期
关键词：
ATOM;
D O I：
10.1103/PhysRevB.98.094202
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The impact of geometry on many-body localization (MBL) is studied on simple, exemplary systems amenable to exact diagonalization treatment. The crossover between ergodic and MBL phase for uniform as well as quasirandom disorder is analyzed using energy-level statistics. It is observed that the transition to many-body localized phase is correlated with the number of nearest coupled neighbors. The crossover from extended to localized systems is approximately described by the so called plasma model.
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页数：7
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