Link auxiliary field method in the extended Hubbard model

Mostovoy, S. D.; Pavlovsky, Oleg

doi:10.1103/physreve.107.025307

Phys. Rev. E

2023

DOI: 10.1103/physreve.107.025307

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Link auxiliary field method in the extended Hubbard model

S. D. Mostovoy

Oleg Pavlovsky

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2023

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Shift of the semimetal-dielectric phase transition boundary in case of violation of sublattice symmetry in the extended Hubbard model

Mostovoy,

Pavlovsky

2023

Mod. Phys. Lett. B

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Within the framework of the extended Hubbard model on a hexagonal lattice, the effect of sublattice symmetry breaking on the position of the semimetal-antiferromagnet phase transition is studied. The study is carried out using the Quantum Monte Carlo method with five auxiliary Hubbard fields. It is shown that the difference in the intensity of the on-site interaction of electrons on the sublattices leads to a shift of the phase transition point towards lower values of the interaction parameter. An antiferromagnetic condensate is considered.

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Shift of the semimetal-dielectric phase transition boundary in case of violation of sublattice symmetry in the extended Hubbard model

Mostovoy,

Pavlovsky

2023

Mod. Phys. Lett. B

View full text Add to dashboard Cite

show abstract

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Link auxiliary field method in the extended Hubbard model

Cited by 1 publication

References 20 publications

Shift of the semimetal-dielectric phase transition boundary in case of violation of sublattice symmetry in the extended Hubbard model

Shift of the semimetal-dielectric phase transition boundary in case of violation of sublattice symmetry in the extended Hubbard model

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