EPJ

High order perturbation theory for spectral densities of multi-particle excitations: S = 1/2 two-leg Heisenberg ladder

C. Knetter, K. P. Schmidt and G. S. Uhrig

Eur. Phys. J. B, 36 4 (2003) 525-544

Published online: 30 January 2004

DOI: 10.1140/epjb/e2004-00008-2

C. Knetter

K. P. Schmidt

G. S. Uhrig

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