Mixed Heisenberg chains: I. The ground-state problem

Journal of Physics Condensed Matter

Volumn 9, Issue 42, 1997, Pages 9031-9042

  Niggemann, Harald ^a   Uimin, Gennadi ^a,b   Zittartz, Johannes ^a  

^a UNIVERSITY OF COLOGNE   (Germany)

^b LANDAU INSTITUTE FOR THEORETICAL PHYSICS   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0347208887     PISSN: 09538984     EISSN: None     Source Type: Journal    
DOI: 10.1088/0953-8984/9/42/017     Document Type: Article

References (19)

1. de Vega H-J and Woynarovich F 1992 J. Phys. A: Math. Gen. 25 4499
2. Fujii M, Fujimoto S and Kawakami N 1996 J. Phys. Soc. Japan 65 2381
3. Dörfel B-D and Meißner S 1997 J. Phys. A: Math. Gen. 30 1831
4. Pati S K, Ramasesha S and Sen D 1996 e-print cond-mat/9610080
5. Brehmer S, Mikeska H-J and Yamamoto S 1996 e-print cond-mat/9610109
6. Kolezhuk A K, Mikeska H-J and Yamamoto S 1997 Phys. Rev. B 55 3336
7. Alcaraz F C and Malvezzi A L 1997 J. Phys. A: Math. Gen. at press
8. White S R 1993 Phys. Rev. B 48 10 345
9. White S R 1992 Phys. Rev. Lett. 69 2863 White S R and Huse D A 1993 Phys. Rev. B 48 3844
10. White S R 1992 Phys. Rev. Lett. 69 2863 White S R and Huse D A 1993 Phys. Rev. B 48 3844
11. Hubbard J 1978 Phys. Rev. B 17 494
12. Pokrovsky V L and Uimin G V 1978 J. Phys. C: Solid State Phys. 11 3535
13. Fisher M E and Selke W 1980 Phys. Rev. Lett. 44 1502 Fisher M E and Selke W 1981 Phil. Trans. R. Soc. 302 1
14. Fisher M E and Selke W 1980 Phys. Rev. Lett. 44 1502 Fisher M E and Selke W 1981 Phil. Trans. R. Soc. 302 1
15. Pokrovsky V L and Uimin G V 1982 J. Phys. C: Solid State Phys. 15 L353 Pokrovsky V L and Uimin G V 1982 Sov. Phys.-JETP 55 950
16. Pokrovsky V L and Uimin G V 1982 J. Phys. C: Solid State Phys. 15 L353 Pokrovsky V L and Uimin G V 1982 Sov. Phys.-JETP 55 950
17. Kennedy T 1990 J. Phys.: Condens. Matter 2 5737
18. 0 has the same value for chain fragments of even and odd lengths.
19. 2 Hilbert space is less than N, we define U to be the identity matrix.