Exact c=1 boundary conformal field theories

Curtis G. Callan; Igor R. Klebanov

doi:10.1103/PhysRevLett.72.1968

Exact c=1 boundary conformal field theories

Curtis G. Callan, Igor R. Klebanov

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Abstract

We present a solution of the problem of a free massless scalar field on the half line interacting through a sinusoidal potential on the boundary. For a critical value of the period, this system is a conformal field theory with a nontrivial and explicitly calculable S matrix for scattering from the boundary. It describes the critical behavior of a number of condensed matter systems, including dissipative quantum mechanics and of barriers in ''quantum wires.''

Original language	English (US)
Pages (from-to)	1968-1971
Number of pages	4
Journal	Physical review letters
Volume	72
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.72.1968
State	Published - 1994

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.72.1968

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abstract = "We present a solution of the problem of a free massless scalar field on the half line interacting through a sinusoidal potential on the boundary. For a critical value of the period, this system is a conformal field theory with a nontrivial and explicitly calculable S matrix for scattering from the boundary. It describes the critical behavior of a number of condensed matter systems, including dissipative quantum mechanics and of barriers in ''quantum wires.''",

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AB - We present a solution of the problem of a free massless scalar field on the half line interacting through a sinusoidal potential on the boundary. For a critical value of the period, this system is a conformal field theory with a nontrivial and explicitly calculable S matrix for scattering from the boundary. It describes the critical behavior of a number of condensed matter systems, including dissipative quantum mechanics and of barriers in ''quantum wires.''

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JO - Physical review letters

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Exact c=1 boundary conformal field theories

Abstract

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