Abstract

The guiding conception of vortex-condensation-driven Mott insulating behavior is central to the theory of the nodal liquid. We amplify our earlier description of this idea and show how vortex condensation in 2D electronic systems is a natural extension of 1D Mott insulating and 2D bosonic Mott insulating behavior. For vortices in an underlying superconducting pair field, there is an important distinction between the condensation of flux hc/2e and flux hc/e vortices. The former case leads to spin-charge confinement, exemplified by the band insulator and the charge-density-wave. In the latter case, spin and charge are liberated leading directly to a 2D Mott insulator exhibiting *spin-charge separation*. Possible upshots include not only the nodal liquid, but also a novel undoped antiferromagnetic insulating phase with gapped excitations exhibiting spin-charge separation.

Keywords

Mott insulatorCondensed matter physicsVortexSuperconductivityPhysicsAntiferromagnetismCondensationCharge (physics)Charge density waveSpin (aerodynamics)Insulator (electricity)Quantum mechanicsThermodynamics

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Publication Info

Year
1999
Type
article
Volume
60
Issue
3
Pages
1654-1667
Citations
164
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Leon Balents, Matthew P. A. Fisher, Chetan Nayak (1999). Dual order parameter for the nodal liquid. Physical review. B, Condensed matter , 60 (3) , 1654-1667. https://doi.org/10.1103/physrevb.60.1654

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DOI
10.1103/physrevb.60.1654