Dear all, If I want sparse diagonalize Heisenberg Hamiltonian of 4x4 site cluster on square lattice. How much time will be take ? I running this program 3748 minutes but till now it is not ended. It seems very time consumable.
With Best regards Rakesh Kumar School of Physical Sciences, JNU, New Delhi-110067 (INDIA) Mob.No.: +91-9891397108
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