Restrictions on symmetry breaking in vector-like gauge theories

C. Vafa; E. Witten

doi:10.1016/0550-3213(84)90230-X

Restrictions on symmetry breaking in vector-like gauge theories

C. Vafa, E. Witten

Physics

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522 Scopus citations

Abstract

Modulo some highly plausible assumptions, we show that vector-like global symmetries (like isospin or baryon number) are not spontaneously broken in vector-like gauge theories with θ = 0 (like QCD). We also show that in these theories massless bound states do not form from massive constituents.

Original language	English (US)
Pages (from-to)	173-188
Number of pages	16
Journal	Nuclear Physics, Section B
Volume	234
Issue number	1
DOIs	https://doi.org/10.1016/0550-3213(84)90230-X
State	Published - Mar 19 1984

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0550-3213(84)90230-X

Cite this

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title = "Restrictions on symmetry breaking in vector-like gauge theories",

abstract = "Modulo some highly plausible assumptions, we show that vector-like global symmetries (like isospin or baryon number) are not spontaneously broken in vector-like gauge theories with θ = 0 (like QCD). We also show that in these theories massless bound states do not form from massive constituents.",

author = "C. Vafa and E. Witten",

note = "Funding Information: * Supported in part by the National Science Foundation under grant no. PJY80-19754.",

year = "1984",

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doi = "10.1016/0550-3213(84)90230-X",

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AU - Witten, E.

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PY - 1984/3/19

Y1 - 1984/3/19

N2 - Modulo some highly plausible assumptions, we show that vector-like global symmetries (like isospin or baryon number) are not spontaneously broken in vector-like gauge theories with θ = 0 (like QCD). We also show that in these theories massless bound states do not form from massive constituents.

AB - Modulo some highly plausible assumptions, we show that vector-like global symmetries (like isospin or baryon number) are not spontaneously broken in vector-like gauge theories with θ = 0 (like QCD). We also show that in these theories massless bound states do not form from massive constituents.

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Restrictions on symmetry breaking in vector-like gauge theories

Abstract

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