# Exact value of the ground state energy of the linear antiferromagnetic Heisenberg chain with nearest and next-nearest neighbour interactions

- Authors
- Publisher
- Elsevier Science
- Publication Date
- Disciplines

## Abstract

It is shown that the ground state energy of the hamiltonian H = Σ Si · Si+1 + γΣSi · Si+2 for the linear antiferromagnetic Heisenberg chain with nearest and next-nearest neighbour interactions is equal to -3/2 if γ = 1/2.

## There are no comments yet on this publication. Be the first to share your thoughts.