抄録
The Migdal RG approximation is extended to quantum spin systems such as the Heisenberg and XY-models. This yields the non-existence of phase transition in the two-dimensional Heisenberg model. The phase transition of the two-dimensional XY-model is also studied.
| 本文言語 | English |
|---|---|
| ページ（範囲） | 426-428 |
| ページ数 | 3 |
| ジャーナル | Physics Letters A |
| 巻 | 69 |
| 号 | 6 |
| DOI | |
| 出版ステータス | Published - 1979 1月 22 |
| 外部発表 | はい |
ASJC Scopus subject areas
- 物理学および天文学（全般）