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Spin Inequality for Energy Computation of Heisenberg Spin Hamiltonian
Debnarayan Jana
Dept. of Physics, University of Calcutta
In this paper, we will use a simple spin inequality to compute the ground state energy of nearest neighbour Heisenberg Hamiltonian in one di- mension. The implication of this inequality will be highlighted in the thermodynamic properties also. Finally, the utility of this technique is illustrated in Majumdar-Ghosh model.
Spin algebra, Heisenberg Spin Hamiltonian