Journal
PHYSICAL REVIEW B
Volume 87, Issue 20, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.205141
Keywords
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Funding
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan [22103005, 23103511]
- FIRST program (JSPS)
- [08J56061]
- [24740211]
- [19740189]
- Grants-in-Aid for Scientific Research [25247056] Funding Source: KAKEN
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Employing scaling analysis of the localization length, we deduce the critical exponent of the metal-topological insulator transitions induced by disorder. The obtained exponent v similar to 2.7 shows no conspicuous deviation from the value established for metal-ordinary insulator transitions in systems of the symplectic class. We investigate the topological phase diagram upon carrier doping to reveal the nature of the so-called topological Anderson insulator (TAI) region. The critical exponent of the metal-TAI transition is also first estimated, shown to be undistinguishable from the above value within the numerical error. By symmetry considerations we determine the explicit form of Rashba spin-orbit coupling in systems of C-4v point group symmetry.
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