Low-Temperature Properties of the Randomly Depleted Heisenberg Ladder

Journal of the Physical Society of Japan

Volumn 65, Issue 8, 1996, Pages 2385-2388

  Sigrist, Manfred ^a,b   Furusaki, Akira ^a  

^a KYOTO UNIVERSITY   (Japan)

^b ETH ZURICH   (Switzerland)

Author keywords

Quasi one dimensional spin system; Random spin chain

Indexed keywords

EID: 0030493234     PISSN: 00319015     EISSN: None     Source Type: Journal    
DOI: 10.1143/JPSJ.65.2385     Document Type: Article

References (15)

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8. See, for example, A. Auerbach: Interacting Electrons and Quantum Magnetism (Springer-Verlag, New York, Berlin, Heidelberg, 1994).
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10. See also A. Furusaki, M. Sigrist, E. Westerberg, P. A. Lee, K. B. Tanaka and N. Nagaosa: Phys. Rev. B 52 (1995) 15930.
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14. For high degree of singularity in the limit | J̃\ →O, however, we generally cannot expect that D(\ J̃\) approaches a universal scaling regime. According to eq. (15) small values of z may create such situations.
15. 9, which shows a plaquette RVB ground state; see K. Ueda, H. Kontani, M. Sigrist and P. A. Lee: Phys. Rev. Lett. 76 (1996) 1932.