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Lattice Theory of Pseudospin Ferromagnetism in Bilayer Graphene: Competing Orders and Interaction Induced Quantum Hall States
Jeil Jung, Fan Zhang, Allan H. MacDonald
In mean-field-theory bilayer graphene's massive Dirac fermion model has a family of broken inversion symmetry ground states with charge gaps and flavor dependent spontaneous inter…
Spontaneous Quantum Hall States in Chirally-stacked Few-Layer Graphene Systems
Fan Zhang, Jeil Jung, Gregory A. Fiete +2
Chirally stacked N-layer graphene systems with N >= 2 exhibit a variety of distinct broken symmetry states in which charge density contributions from different spins and valleys ar…
Band Structure of ABC-Stacked Graphene Trilayers
Fan Zhang, Bhagawan Sahu, Hongki Min +1
The ABC-stacked N-layer-graphene family of two-dimensional electron systems is described at low energies by two remarkably flat bands with Bloch states that have strongly momentum-…