Abstract
We perform analytical calculations to study the persistent current I of a q-charged hard-core boson gas in mesoscopic rings enclosing a magnetic flux , and find that this current is periodic in with the period 0=hc/q. More interestingly, in the presence of a single -function impurity, it has been found that there generally exists a spontaneous Aharonov-Bohm flux as long as the current-induced flux is included.
| Original language | English |
|---|---|
| Pages (from-to) | 13813-13816 |
| Number of pages | 4 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 51 |
| Issue number | 19 |
| DOIs | |
| State | Published - Jan 1 1995 |
| Externally published | Yes |
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