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Special CMTC Seminar

Mon, Mar 7, 2016 2:00 pm - 3:30 pm
2205 Toll Physics Building


Speaker: Debanjan Chowdhury (Harvard)

Title: Fractionalization and broken symmetries in the underdoped cuprates

Abstract: A number of experiments in the underdoped regime of the hole-doped cuprates have found evidence for an incommensurate bond-density wave (BDW). I'll present an analysis of the density-wave instabilities of a metal, where the electronic excitations are coupled to the fractionalized excitations of a fluctuating antiferromagnet. The resulting BDW emerging out of such a fractionalized Fermi-liquid (FL*) has wave vectors along the axial direction, with a predominantly d−wave form-factor. Various routes towards confinement transitions out of such fractionalized Fermi-liquids, leading to a BDW, will also be discussed.

Host: Jay Sau


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