2022
DOI: 10.48550/arxiv.2201.06588
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Exactly Solvable 1D Quantum Models with Gamma Matrices

Yash Chugh,
Kusum Dhochak,
Uma Divakaran
et al.

Abstract: In this paper, we write exactly solvable generalizations of 1-dimensional quantum XY and Ising-like models by using 2 d -dimensional Gamma (Γ) matrices as the degrees of freedom on each site. We show that these models result in quadratic Fermionic Hamiltonians with Jordan-Wigner like transformations. We illustrate the techniques using a specific case of 4-dimensional Γ matrices and explore the quantum phase transitions present in the model.

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