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Quantum Simulation
Spin-1/2 XX chains with modulated Gamma interaction
arXiv
Authors: M. Abbasi, S. Mahdavifar, M. Motamedifar
Year
2024
Paper ID
37080
Status
Preprint
Abstract Read
~2 min
Abstract Words
90
Citations
N/A
Abstract
We study the spin-1/2 XX chain with a modulated Gamma interaction (GI), which results from the superposition of uniform and staggered Gamma terms. We diagonalize the Hamiltonian of the model exactly using the Fermionization technique. We then probe the energy gap and identify the gapped and gapless regions. We also examine the staggered chiral, staggered nematic and dimer order parameters to determine the different phases of the ground state phase diagram with their respective long-range orders. Our findings indicate that the model undergoes first-order, second-order, gapless-gapless, and gapped-gapped phase transitions.
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- We study the spin-1/2 XX chain with a modulated Gamma interaction (GI), which results from the superposition of uniform and staggered Gamma terms.
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