QCD2 screening, confinement and novel non-Abelian solutions

Y. Frishman; J. Sonnenschein

doi:10.1016/S0550-3213(97)00254-X

QCD₂ screening, confinement and novel non-Abelian solutions

Y. Frishman^*, J. Sonnenschein

^*Corresponding author for this work

School of Physics and Astronomy

Weizmann Institute of Science

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

16 Scopus citations

Abstract

We analyze the question of screening versus confinement in bosonized massless QCD in two dimensions. We deduce the screening behavior of massless SU(N_c) QCD with flavored fundamental fermions and fermions in the adjoint representation. This is done by computing the potential between external quarks as well as by bosonizing also the external sources and analyzing the states of the combined system. We write down novel "non-Abelian Schwinger like" solutions of the equations of motion, compute their masses and argue that an exchange of massive modes of this type is associated with the screening mechanism.

Original language	English
Pages (from-to)	285-301
Number of pages	17
Journal	Nuclear Physics B
Volume	496
Issue number	1-2
DOIs	https://doi.org/10.1016/S0550-3213(97)00254-X
State	Published - 7 Jul 1997

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abstract = "We analyze the question of screening versus confinement in bosonized massless QCD in two dimensions. We deduce the screening behavior of massless SU(Nc) QCD with flavored fundamental fermions and fermions in the adjoint representation. This is done by computing the potential between external quarks as well as by bosonizing also the external sources and analyzing the states of the combined system. We write down novel {"}non-Abelian Schwinger like{"} solutions of the equations of motion, compute their masses and argue that an exchange of massive modes of this type is associated with the screening mechanism.",

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note = "Funding Information: i Supported in part by the Israel Academy of Sciences. 2 Work supported in part by the {"}Einstein center for theoretical physics{"} at the Weizmann Institute, the US-Israel Binational Science Foundation and the Israel Science foundation.",

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N2 - We analyze the question of screening versus confinement in bosonized massless QCD in two dimensions. We deduce the screening behavior of massless SU(Nc) QCD with flavored fundamental fermions and fermions in the adjoint representation. This is done by computing the potential between external quarks as well as by bosonizing also the external sources and analyzing the states of the combined system. We write down novel "non-Abelian Schwinger like" solutions of the equations of motion, compute their masses and argue that an exchange of massive modes of this type is associated with the screening mechanism.

AB - We analyze the question of screening versus confinement in bosonized massless QCD in two dimensions. We deduce the screening behavior of massless SU(Nc) QCD with flavored fundamental fermions and fermions in the adjoint representation. This is done by computing the potential between external quarks as well as by bosonizing also the external sources and analyzing the states of the combined system. We write down novel "non-Abelian Schwinger like" solutions of the equations of motion, compute their masses and argue that an exchange of massive modes of this type is associated with the screening mechanism.

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QCD₂ screening, confinement and novel non-Abelian solutions

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