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Density Matrix Embedding Theory for Symmetry Protected Topological Systems

Ray, Ushnish and Chan, Garnet (2017) Density Matrix Embedding Theory for Symmetry Protected Topological Systems. In: APS March Meeting 2017, March 13–17, 2017, New Orleans, Louisiana.

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Density Matrix Embedding Theory (DMET) presents a novel approach in capturing the physics of strongly correlated systems. It essentially describes finite fragments in the presence of environment while explicitly allowing quantum entanglement between both. DMET has been remarkably successful in studying systems ranging from molecules to solids and the paradigmatic Hubbard model. In this talk, we will present extensions of DMET to systems that are allowed to break SU(2) spin symmetry as well as U(1) particle number symmetry. This will enable us to study a range of broken symmetry phases such as topological superconductivity and, more interestingly, their interplay with strong correlations.

Item Type:Conference or Workshop Item (Paper)
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URLURL TypeDescription
Ray, Ushnish0000-0002-1850-4691
Chan, Garnet0000-0001-8009-6038
Record Number:CaltechAUTHORS:20170515-115341037
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:77454
Deposited By: Donna Wrublewski
Deposited On:16 May 2017 03:02
Last Modified:03 Oct 2019 17:57

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