| Autor: |
Dung-Hai Lee, Eddy Ardonne, Shinsei Ryu, Mingpu Qin, Tao Xiang, Jon Magne Leinaas |
| Rok vydání: |
2012 |
| Předmět: |
|
| ISSN: |
1098-0121 |
| Popis: |
We introduce a set of one-dimensional quantum lattice models which we refer to as the quantum torus chain. These models have discrete global symmetry and projective on-site representations. They possess an integer-valued parameter which controls the presence or absence of frustration. Depending on whether this parameter is even or odd, these models exhibit either gapped symmetry-breaking phases with isolated critical points or gapped symmetry-breaking phases separated by gapless phases. We discuss the property of these phases and phase transitions for two special values of the parameter and point out many open problems. © 2012 American Physical Society |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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