Spin correlation functions in random-exchange s=1/2 XXZ chains

Journal of Applied Physics

Volumn 79, Issue 8 PART 2A, 1996, Pages 4632-4634

  Röder, Heinrich ^a,b   Stolze, Joachim ^a,d   Silver, Richard N ^b   Müller, Gerhard ^c  

^a UNIVERSITY OF BAYREUTH   (Germany)

^b LOS ALAMOS NATIONAL LABORATORY   (United States)

^c UNIVERSITY OF RHODE ISLAND   (United States)

^d TU DORTMUND UNIVERSITY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0040028163     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.361687     Document Type: Article

References (12)

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2. C. A. Doty and D. S. Fisher, Phys. Rev. B 45, 2167 (1992).
3. D. S. Fisher, Phys. Rev. B 50, 3799 (1994).
4. C. Dasgupta and S.-K. Ma, Phys. Rev. B 22, 1305 (1980).
5. S. Haas, J. Riera, and E. Dagotto, Phys. Rev. B 48, 13174 (1993).
6. A. Luther and I. Peschel, Phys. Rev. B 12, 3908 (1975).
7. See Fig. 2 of Ref. 5.
8. The upward curvature in the vicinity of r= N/2 is an obvious finite-size effect attributable to periodic boundary conditions.
9. B. M. McCoy, Phys. Rev. 173, 531 (1968).
10. Preliminary results for chains with up to N=200 sites indicate that scenario (ii) is more likely.
11. The same effect had previously been observed in Ref. 5, also for the case Δ=0, where it is absent in our data.
12. R. N. Silver and H. Röder, Int. J. Mod. Phys C 5, 735 (1994).