Topological order in the insulating Josephson junction array

B. Douçot; M. V. Feigel'man; L. B. Ioffe

Topological order in the insulating Josephson junction array

B. Douçot, M. V. Feigel'man, L. B. Ioffe

School of Arts and Sciences, New High Energy Theory Center

Research output: Contribution to journal › Article › peer-review

66 Scopus citations

Abstract

A modification of the array that provides such a controlling parameter and, at the same time, allows to solve the model and compute the properties of the topological insulator was proposed. The main physical idea was to construct a system where the kinetic energy gain of the half-vortex t_hv was parametrically smaller than the bandwidth of the full vortex t_fv. Under such conditions, Bose condensation of full vortices was energetically favorable, whereas half-vortices stay uncondensed and have a finite excitation gap.

Original language	English (US)
Article number	107003
Pages (from-to)	107003/1-107003/4
Journal	Physical review letters
Volume	90
Issue number	10
State	Published - Mar 14 2003

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

Cite this

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abstract = "A modification of the array that provides such a controlling parameter and, at the same time, allows to solve the model and compute the properties of the topological insulator was proposed. The main physical idea was to construct a system where the kinetic energy gain of the half-vortex thv was parametrically smaller than the bandwidth of the full vortex tfv. Under such conditions, Bose condensation of full vortices was energetically favorable, whereas half-vortices stay uncondensed and have a finite excitation gap.",

author = "B. Dou{\c c}ot and Feigel'man, {M. V.} and Ioffe, {L. B.}",

note = "Funding Information: We acknowledge support by NSF Grant No. 4-21262. M. F. was supported by SCOPES, RFBR Grant No. 01-02-17759, NWO, “Quantum Macrophysics” of RAS/RMS. L. I. is grateful to ENS for hospitality.",

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N2 - A modification of the array that provides such a controlling parameter and, at the same time, allows to solve the model and compute the properties of the topological insulator was proposed. The main physical idea was to construct a system where the kinetic energy gain of the half-vortex thv was parametrically smaller than the bandwidth of the full vortex tfv. Under such conditions, Bose condensation of full vortices was energetically favorable, whereas half-vortices stay uncondensed and have a finite excitation gap.

AB - A modification of the array that provides such a controlling parameter and, at the same time, allows to solve the model and compute the properties of the topological insulator was proposed. The main physical idea was to construct a system where the kinetic energy gain of the half-vortex thv was parametrically smaller than the bandwidth of the full vortex tfv. Under such conditions, Bose condensation of full vortices was energetically favorable, whereas half-vortices stay uncondensed and have a finite excitation gap.

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Topological order in the insulating Josephson junction array

Abstract

All Science Journal Classification (ASJC) codes

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