Geometric Phases and Competing Orders in Two Dimensions

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Geometric Phases and Competing Orders in Two Dimensions

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Title: Geometric Phases and Competing Orders in Two Dimensions
Author: Fu, Liang; Sachdev, Subir; Xu, Cenke

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Citation: Fu, Liang, Subir Sachdev, and Cenke Xu. 2011. Geometric phases and competing orders in two dimensions. Physical Review B 83(16): 165123.
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Abstract: We discuss the problem of characterizing "quantum disordered" ground states, obtained upon loss of antiferromagnetic order on general lattices in two spatial dimensions, with arbitrary electronic band structure. A key result is the response in electron bilinears to the skyrmion density in the local antiferromagnetic order, induced by geometric phases. We also discuss the connection to topological terms obtained under situations where the electronic spectrum has a Dirac form.
Published Version: doi:10.1103/PhysRevB.83.165123
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at
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  • FAS Scholarly Articles [8255]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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