- Tytuł:
- Spin-1/2 XX Chains with Three-Spin Interactions
- Autorzy:
-
Krokhmalskii, T.
Derzhko, O.
Verkholyak, T.
Stolze, J. - Powiązania:
- https://bibliotekanauki.pl/articles/1813784.pdf
- Data publikacji:
- 2008-01
- Wydawca:
- Polska Akademia Nauk. Instytut Fizyki PAN
- Tematy:
-
75.10.Jm
75.40.Gb - Opis:
- We consider a spin-1/2 XX chain with three-spin interactions which is equivalent to a system of noninteracting spinless fermions.We examine some dynamic quantities of the spin model.In particular, we calculate analytically the dynamic transverse (zz) structure factor which is governed by a two-fermion excitation continuum. Moreover, we compute numerically the dynamic xx structure factor which is a many-fermion dynamic quantity.We illustrate how the three-spin interactions manifest themselves in the dynamic probes.
- Źródło:
-
Acta Physica Polonica A; 2008, 113, 1; 437-440
0587-4246
1898-794X - Pojawia się w:
- Acta Physica Polonica A
- Dostawca treści:
- Biblioteka Nauki
Artykuł