Identification of Extended Hubbard Model SDW-BOW-CDW phase boundaries using Central Charge

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APS March Meeting 2018

Volume 63, Number 1

Monday–Friday, March 5–9, 2018; Los Angeles, California

Session B28: Quantum Thermodynamics - from Quantum Information Theory to Statistical Mechanics

11:15 AM–1:51 PM, Monday, March 5, 2018
LACC Room: 405

Sponsoring Units: DQI GSNP
Chair: Gilad Gour, University of Calgary

Abstract ID: BAPS.2018.MAR.B28.6

Abstract: B28.00006 : Identification of Extended Hubbard Model SDW-BOW-CDW phase boundaries using Central Charge*

1:03 PM–1:15 PM

Abstract

Presenter:

Jon Spalding
(Physics, Univ of California - Riverside)

Authors:

Jon Spalding
(Physics, Univ of California - Riverside)

Shan-wen Tsai
(Physics, Univ of California - Riverside)

Collaboration:

Jon Spalding

In this talk, we apply tools from quantum-information theory to locate phase boundaries of the half-filled extended Hubbard model. With DMRG, we compute the ground state wavefunctions, and then fit the Calabrese-Cardy entropy scaling relation to identify conformal critical points.

*This research was supported in part by the NSF under grant DMR-1411345
This work used the Extreme Science and Engineering Discovery Environment (XSEDE) COMET at the San Diego Supercomputer Center through allocation TG-DMR170082

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.B28.6

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