Charge stiffness and long-range correlation in the optically induced <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>η</mml:mi></mml:math>-pairing state of the one-dimensional Hubbard model
Tatsuya Kaneko, Seiji Yunoki, Andrew J. Millis
Abstract
This paper shows that superconducting properties including a nonzero charge stiffness and long-ranged pairing correlations can be induced by applying a pump electric field to the Mott insulating phase of the Hubbard model.
Topics & Concepts
Hubbard modelPairingCondensed matter physicsPhysicsCharge (physics)SuperconductivityPhase (matter)StiffnessState (computer science)Field (mathematics)Electric fieldPhase diagramQuantum mechanicsWork (physics)Quantum electrodynamicsStrongly correlated materialZero (linguistics)Materials sciencePhase transitionPopulationOrganic and Molecular Conductors ResearchPhysics of Superconductivity and MagnetismTopological Materials and Phenomena