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Discrete spin cubic model on a fractal lattice - the ground state phase diagram

✍ Scribed by Zoran Borjan; Milan Knežević; Sava Milošević

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
403 KB
Volume
222
Category
Article
ISSN
0378-4371

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✦ Synopsis

We study the ground state properties of the discrete spin cubic model situated on the Sierpinski gasket fractal lattice. The relevant model Hamiltonian contains exchange and quadrupolar interaction terms, associated with the parameters J~ and J2, respectively. We have found that the model under study has a very rich ground state diagram in the (J~,J2)-plane, with one ordered (ferromagnetic) state and three regions of different frustrated states.

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