Bulletin of the American Physical Society
APS March Meeting 2012
Volume 57, Number 1
Monday–Friday, February 27–March 2 2012; Boston, Massachusetts
Session V19: Invited Session: Holography and Strongly Correlated Electron Matter
8:00 AM–11:00 AM,
Thursday, March 1, 2012
Sponsoring Unit: DCMP
Chair: Subir Sachdev, Harvard University
Abstract ID: BAPS.2012.MAR.V19.2
Abstract: V19.00002 : Holography and Mottness: A Discrete Marriage*
8:36 AM–9:12 AM
(Dept. of Physics, University of Illinois, Urbana, IL 61801)
Gauge-gravity duality has allowed us to solve the physics of certain strongly coupled quantum mechanical systems using gravity. I will show how a space-time consisting of a charged black hole and a bulk Pauli coupling corresponds to a boundary theory with a dynamically generated gap (with no obvious symmetry breaking) and a massive rearrangement of the spectral weight as in classic Mott systems such as VO$_2$. In this holographic set-up, the gap opens only when discrete scale invariance is present. This raises the possibility that the elusive symmetry that might be broken in Mott insulators, in general, might pertain to scale invariance. The relevance of this claim to recent theories of Mott systems that possess massless charged bosons is explored.
*NSF DMR-0940992 and the Center for Emergent Superconductivity, a DOE Energy Frontier Research Center, Award Number DE-AC0298CH1088.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2012.MAR.V19.2
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