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Topological Mott Insulator at Quarter Filling in the Interacting Haldane Model
Peizhi Mai, Benjamin E. Feldman, Philip W. Phillips
While the recent advances in topology have led to a classification scheme for electronic bands described by the standard theory of metals, a similar scheme has not emerged for stro…
Interaction-driven Spontaneous Ferromagnetic Insulating States with Odd Chern Numbers
Peizhi Mai, Edwin W. Huang, Jiachen Yu +2
Motivated by recent experimental work on moiré systems in a strong magnetic field, we compute the compressibility as well as the spin correlations and Hofstadter spectrum of spinfu…
Correlated Hofstadter Spectrum and Flavor Phase Diagram in Magic Angle Graphene
Jiachen Yu, Benjamin A. Foutty, Zhaoyu Han +8
In magic angle twisted bilayer graphene (MATBG), the moiré superlattice potential gives rise to narrow electronic bands1 which support a multitude of many-body quantum phases. Furt…
Visualizing Heavy Fermion Confinement and Pauli-Limited Superconductivity in Layered CeCoIn5
András Gyenis, Benjamin E. Feldman, Mallika T. Randeria +4
Layered material structures play a key role in enhancing electron-electron interactions to create correlated metallic phases that can transform into unconventional superconducting…
Bulk crystal growth and electronic characterization of the 3D Dirac Semimetal Na3Bi
Satya K. Kushwaha, Jason W. Krizan, Benjamin E. Feldman +11
High quality hexagon plate-like Na3Bi crystals with large (001) plane surfaces were grown from a molten Na flux. The freshly cleaved crystals were analyzed by low temperature scann…