2012

Projected BCS states and spin Hamiltonians for the SO(n)_1 Wess-Zumino-Witten model

Tu, Hong-Hao

Understand

We propose a class of projected BCS wave functions and derive their parent spin Hamiltonians.

These wave functions can be formulated as infinite Matrix Product States constructed by chiral correlators of Majorana fermions.
In 1D, the spin Hamiltonians can be viewed as SO(n) generalizations of Haldane-Shastry models.
We numerically compute the spin-spin correlation functions and Renyi entropies for n=5 and 6.

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