Levitation of delocalized states at weak magnetic field: critical exponents and phase diagram
We study numerically the form of the critical line in the disorder–magnetic field phase diagram of the p–q network model, constructed to study the levitation of extended states at weak magnetic fields. We use oneparameter scaling, keeping either q (related to magnetic field) or p (related to energ...
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| Date: | 2013 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2013
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| Series: | Физика низких температур |
| Subjects: | |
| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/118097 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Levitation of delocalized states at weak magnetic field: critical exponents and phase diagram / V. Kagalovsky // Физика низких температур. — 2013. — Т. 39, № 1. — С. 37–39. — Бібліогр.: 8 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Summary: | We study numerically the form of the critical line in the disorder–magnetic field phase diagram of the p–q
network model, constructed to study the levitation of extended states at weak magnetic fields. We use oneparameter
scaling, keeping either q (related to magnetic field) or p (related to energy) constant, to calculate two
critical exponents, describing the divergence of the localization length in each case. The ratio of those two exponents
defines the form of the critical line close to zero magnetic field. |
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