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1. Formalism of overlaps of valence bond states with any number of triplon

Author

E Ghorbani, SA Jafari, and F Shahbazi

Subjects
Resonwting valence bound, two dimensional lattice, triplon, Physics, QC1-999
Abstract

Resonating valence bond (RVB) states are suitable candidates for ground state of the Heisenberg model on various two dimensional lattices. When a singlet valence bond is broken to produce a triplet state, the resulting excitation is called a triplon. In this paper, we obtain formulas for the overlap and also matrix elements of si.sj operator between states with arbitrary number of triplons . Our results are valid for any 2D lattice.

Published
2011

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