Quantum Hall state in the presence of random disorder was investigated. Topological invariant Chern number was studied. Results showed that the disorder strength increases towards a critical value, both the mobility gap and plateau width narrow continuously and ultimately collapse.
|Original language||English (US)|
|Number of pages||4|
|Journal||Physical review letters|
|Issue number||25 I|
|State||Published - Jun 27 2003|
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)