Magnetism and superconductivity in rhombohedral graphene multilayers: triplet superconductivity, intervalley coherence, and spin orbit coupling
Event Start:
2023-12-07T10:00:00
Event End:
2023-12-07T11:00:00
Event Information:
Abstract: The electronic band structure of rhombohedral graphene multilayers hosts van Hove singularities at which the single particle of states diverges. I will discuss experiments in which we use electrostatic gates to tune the chemical potential through these singularities, revealing a cascade of correlated electron phases; notably, both singlet and triplet superconductors are observed proximal to or within generalized ferromagnetic phases where the system spontaneously polarizes into one or more of the spin- and valley isospin flavors.
Event Location:
BRIM 311
Speaker:
Andrea Young – University of California Santa Barbara
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Event Start:
2023-12-07T10:00:00
Event End:
2023-12-07T11:00:00
Magnetism and superconductivity in rhombohedral graphene multilayers: triplet superconductivity, intervalley coherence, and spin orbit coupling
Event Information:
Abstract: The electronic band structure of rhombohedral graphene multilayers hosts van Hove singularities at which the single particle of states diverges. I will discuss experiments in which we use electrostatic gates to tune the chemical potential through these singularities, revealing a cascade of correlated electron phases; notably, both singlet and triplet superconductors are observed proximal to or within generalized ferromagnetic phases where the system spontaneously polarizes into one or more of the spin- and valley isospin flavors.
Event Location:
BRIM 311