Abstract
The Hofstadter problem for rational flux with even Q is studied using the chiral representation introduced in a previous paper. We explicitly show that the zero-energy states exist and are degenerate. We also discuss a formal treatment of the perturbations around these zero-energy states.
| Original language | English |
|---|---|
| Pages (from-to) | 435-441 |
| Number of pages | 7 |
| Journal | Chinese Journal of Physics |
| Volume | 41 |
| Issue number | 5 |
| Publication status | Published - 2003 Oct |
ASJC Scopus subject areas
- General Physics and Astronomy