𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Itinerant vs. localized antiferromagnetism of CuO2 layers

✍ Scribed by E. Arrigoni; G. Strinati; C. Castellani

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
115 KB
Volume
162-164
Category
Article
ISSN
0921-4534

No coin nor oath required. For personal study only.

✦ Synopsis

We study the antiferromagnetic (AF) ground state of CuO~ layers within a slave-boson approach to a multiband Hubbard model, whereby slave bosons are assigfed to Cu sites to deal with the Hubbard repulsion Ua in the limit U~ = ~. The stability of the antiferromagnetism is tested by varying the separat1~on A between p a~d d hole energy levels and by allowing direct 0-0 hopping.

πŸ“œ SIMILAR VOLUMES

Itinerant antiferromagnetism of TiBe2
Itinerant antiferromagnetism of TiBe2
✍ B.T. Matthias; A.L. Giorgi; V.O. Struebing; J.L. Smith πŸ“‚ Article πŸ“… 1978 πŸ› Elsevier Science 🌐 English βš– 78 KB
On the motion of an extra electron in an
On the motion of an extra electron in an antiferromagnetic CuO2 layer
✍ F. Richer; J. Appel; P. Hertel πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 308 KB

A model is developed for the motion of an electron in a 2d-quantumantiferromagnet (QAFM). The Hamiltonian for the layer consists of two parts: The H,\_rHamiltonian for nearest neighbours and the 3-site term. From the layer we derive by ejection of a single extra hole an effective Hamiltonian. The i