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Modeling the pseudogap state in cuprates: quantum disordered pair density wave

CMSA EVENTS: CMSA QUANTUM FIELD THEORY AND PHYSICAL MATHEMATICS SEMINAR, CMSA EVENTS: CMSA QUANTUM MATTER IN MATH & PHYSICS SEMINAR

When: February 19, 2020
10:30 am - 12:00 pm
Where: CMSA, 20 Garden St, G10
Address: 20 Garden Street, Cambridge, MA 02138, United States
Speaker: Zhehao Dai - MIT

I will briefly review the pseudogap phenomenology in high Tc cuprate superconductors, especially recent experiments related to charge density waves and pair density waves, and propose a simple theory of the pseudogap. By quantum disordering a pair density wave, we found a state composed of insulating antinodal pairs and a nodal electron pocket. We compare the theoretical predictions with ARPES results, optical conductivity, quantum oscillation and other experiments.