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arXiv · 1712.05618

Pauli metallic ground-state in Hubbard clusters with Rashba spin-orbit coupling

Valentina Brosco·Daniele Guerci·Massimo Capone
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Abstract

We study the "phase diagram" of a Hubbard plaquette with Rashba spin-orbit coupling. We show that the peculiar way in which Rashba coupling breaks the spin-rotational symmetry of the Hubbard model allows a mixing of singlet and triplet components in the ground-state that slows down and it changes the nature of the Mott transition and of the Mott insulating phases.

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Valentina Brosco, Daniele Guerci, Massimo Capone. 2018-01-19. Pauli metallic ground-state in Hubbard clusters with Rashba spin-orbit coupling. https://doi.org/10.1103/physrevb.97.125103

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