Journal article
Spin interactions in an Anderson-Hubbard model
- Abstract:
-
We study the magnetic properties of a site-disordered Anderson-Hubbard model at half-filling on a simple cubic lattice, via a mapping of its low-frequency transverse spin excitations onto those of an effective underlying Heisenberg model with self-consistently determined exchange couplings. Exact in the strong-coupling limit, the mapping remains accurate over the dominant region of the phase plane where the ground state is a disordered antiferromagnet. The effect of disorder and interaction s...
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- Publication status:
- Published
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- Publisher copy:
- 10.1088/0953-8984/10/3/015
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Bibliographic Details
- Journal:
- JOURNAL OF PHYSICS-CONDENSED MATTER
- Volume:
- 10
- Issue:
- 3
- Pages:
- 639-655
- Publication date:
- 1998-01-26
- DOI:
- EISSN:
-
1361-648X
- ISSN:
-
0953-8984
- Source identifiers:
-
36313
Item Description
- Language:
- English
- Pubs id:
-
pubs:36313
- UUID:
-
uuid:932d9d50-aabc-4479-ae23-27db0f61f48d
- Local pid:
- pubs:36313
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 1998
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