Hartree-Fock study of the moiré Hubbard model for twisted bilayer transition metal dichalcogenides
نویسندگان
چکیده
The authors use Hartree-Fock methods to provide a comprehensive understanding of the moir\'e Hubbard model, believed describe low-energy physics twisted bilayer dichalcogenide material WSe${}_{2}$. They present phase diagram, reveal previously unnoticed gauge symmetry, demonstrate region reentrant metal-insulator transition, and elucidate roles fermiology commensurability in transitions. Comparison experimental data locates currently studied systems intermediate coupling diagram.
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Phase engineering of transition metal dichalcogenides.
Transition metal dichalcogenides (TMDs) represent a family of materials with versatile electronic, optical, and chemical properties. Most TMD bulk crystals are van der Waals solids with strong bonding within the plane but weak interlayer bonding. The individual layers can be readily isolated. Single layer TMDs possess intriguing properties that are ideal for both fundamental and technologically...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2021
ISSN: ['1098-0121', '1550-235X', '1538-4489']
DOI: https://doi.org/10.1103/physrevb.104.075150