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Volumn 69, Issue 14, 2004, Pages

Disorder-induced phases in higher-spin antiferromagnetic Heisenberg chains

Author keywords

[No Author keywords available]

Indexed keywords

FERROMAGNETIC MATERIAL;

EID: 42749107411     PISSN: 01631829     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevB.69.144416     Document Type: Article
Times cited : (19)

References (43)
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    • note
    • For strong disorder we restricted ourselves to exact diagonalization as DMRG is not reliable in that regime.
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    • note
    • The irrelevance of disorder is not related to the use of open boundaries as we checked for the gap distribution on small periodic chains.
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    • In Eq. (7) we leave the possibility of having different gaps scaling with different exponents (i.e., z and v may depend on k). This is indeed found in the S = 3/2 chain.
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