Journal article
Magnetism in the Hubbard model: An effective spin Hamiltonian approach
- Abstract:
-
We present an approach to the magnetic properties of the half-filled Hubbard model, based on an approximate mapping of its low-energy transverse spin excitations on to those of an effective underlying Heisenberg model, but with effective spin interactions which are self-consistently determined and not confined solely to nearest-neighbor couplings. The mapping is exact in strong-coupling and is found to be accurate over a very wide range of interaction strengths, down to weak coupling. At zero...
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- Publication status:
- Published
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- Publisher copy:
- 10.1103/PhysRevB.53.5505
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Authors
Bibliographic Details
- Journal:
- Physical Review B
- Volume:
- 53
- Issue:
- 9
- Pages:
- 5505-5517
- Publication date:
- 1996-03-01
- DOI:
- EISSN:
-
1095-3795
- ISSN:
-
0163-1829
- Source identifiers:
-
45063
Item Description
- Language:
- English
- Pubs id:
-
pubs:45063
- UUID:
-
uuid:058d001e-2693-4460-8523-3dd0a0d89fe9
- Local pid:
- pubs:45063
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 1996
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