𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Collective Excitations in the Extended Hubbard Model with Intrasite Attraction

✍ Scribed by T. Kostyrko


Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
534 KB
Volume
143
Category
Article
ISSN
0370-1972

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


New skyrmions in the attractive Hubbard
✍ W.Vincent Liu πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 66 KB

The coexistence of superconducting and charge-density-wave order in the half-filled attractive Hubbard model is Ε½ . Ε½ . interpreted as a consequence of the pseudospin SU 2 symmetry spontaneously broken to a 'hidden' subgroup U 1 . By topological arguments we show that there must exist new skyrmion t