Harvard Condensed Matter Theory Seminars

Arun Paramekanti, University of Toronto

Rotons and vortices near a superfluid-supersolid transition
I will discuss a model of frustrated charge order of bosons on the triangular lattice which leads to a supersolid ground state, and discuss our understanding of the vortex in the nearby uniform superfluid phase. I will use this to motivate an extension to correlated superconductors and discuss possible implications for the checkerboard pattern and tunneling experiments in the underdoped regime of the high temperature superconductors.

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Harvard Physics Department