Spin gap of S = 1/2 Heisenberg model on distorted diamond chain

Journal of the Physical Society of Japan

Volumn 69, Issue 8, 2000, Pages 2710-2711

  Sano, Kazuhiro ^a   Takano, Ken'ichi ^b  

^a MIE UNIVERSITY   (Japan)

^b TOYOTA TECHNOLOGICAL INSTITUTE   (Japan)

Author keywords

Cu3Cl6(H2O)2 2H 8C4SO2; Distorted diamond chain; Frustration; Numerical diagonalization; One dimensional Heisenberg model; Spin gap

Indexed keywords

EID: 0034404453     PISSN: 00319015     EISSN: None     Source Type: Journal    
DOI: 10.1143/JPSJ.69.2710     Document Type: Article

References (9)

1. M. Ishii, H. Tanaka, M. Mori, H. Uekusa, Y. Ohashi, K. Tatani, Y. Narumi and K. Kindo: J. Phys. Soc. Jpn. 69 (2000) 340.
2. D. D. Swank and R. D. Willett: Inorg. Chimica Acta 8 (1974) 143.
3. K. Takano, K. Kubo and H. Sakamoto: J. Phys.: Condens. Matter 8 (1996) 6405.
4. K. Okamoto, T. Tonegawa, Y. Takahashi and M. Kaburagi: J. Phys.: Condens. Matter 11 (1999) 10485.
5. T. Tonegawa, K. Okamoto, T. Hikihara, Y. Takahashi and M. Kaburagi: cond-mat/9912482 (1999).
6. In this case, the Bethe Ansatz solution exactly shows that the system has a gapless excitation.
7. F. D. M. Haldane: Phys. Rev. B 25 (1982) 4925.
8. For example, the peak of the magnetic susceptibility is located at ∼0.6J for the spin chain with uniform nearest-neighbor interactions (J. C. Bonner and M. E. Fisher: Phys. Rev. 135 (1964) A640). and at ∼0.7J for the two-leg spin ladder and the spin chain with bond alternation. (T. Barnes and J. Riera: Phys. Rev. B 50 (1994) 6816).
9. For example, the peak of the magnetic susceptibility is located at ∼0.6J for the spin chain with uniform nearest-neighbor interactions (J. C. Bonner and M. E. Fisher: Phys. Rev. 135 (1964) A640). and at ∼0.7J for the two-leg spin ladder and the spin chain with bond alternation. (T. Barnes and J. Riera: Phys. Rev. B 50 (1994) 6816).