Vertex operators in background fields

Curtis Gove Callan; Z. Gan

doi:10.1016/0550-3213(86)90238-5

Vertex operators in background fields

Curtis Gove Callan, Z. Gan

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

132 Scopus citations

Abstract

We show that vertex operators for strings propagating in background fields are composite operators of anomalous dimension two in a two-dimensional field theory defined on a curved world-sheet. We show how special features of renormalization theory in curved spacetime are responsible for a number of peculiar features of string physics, including the need for apparently unphysical fields to maintain gauge invariance in string field theory.

Original language	English (US)
Pages (from-to)	647-660
Number of pages	14
Journal	Nuclear Physics, Section B
Volume	272
Issue number	3-4
DOIs	https://doi.org/10.1016/0550-3213(86)90238-5
State	Published - Aug 4 1986

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0550-3213(86)90238-5

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title = "Vertex operators in background fields",

abstract = "We show that vertex operators for strings propagating in background fields are composite operators of anomalous dimension two in a two-dimensional field theory defined on a curved world-sheet. We show how special features of renormalization theory in curved spacetime are responsible for a number of peculiar features of string physics, including the need for apparently unphysical fields to maintain gauge invariance in string field theory.",

author = "Callan, {Curtis Gove} and Z. Gan",

note = "Funding Information: 1 Supported in part by DOE grant DE-AC02-76ER-03072.",

year = "1986",

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doi = "10.1016/0550-3213(86)90238-5",

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AU - Callan, Curtis Gove

AU - Gan, Z.

N1 - Funding Information: 1 Supported in part by DOE grant DE-AC02-76ER-03072.

PY - 1986/8/4

Y1 - 1986/8/4

N2 - We show that vertex operators for strings propagating in background fields are composite operators of anomalous dimension two in a two-dimensional field theory defined on a curved world-sheet. We show how special features of renormalization theory in curved spacetime are responsible for a number of peculiar features of string physics, including the need for apparently unphysical fields to maintain gauge invariance in string field theory.

AB - We show that vertex operators for strings propagating in background fields are composite operators of anomalous dimension two in a two-dimensional field theory defined on a curved world-sheet. We show how special features of renormalization theory in curved spacetime are responsible for a number of peculiar features of string physics, including the need for apparently unphysical fields to maintain gauge invariance in string field theory.

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U2 - 10.1016/0550-3213(86)90238-5

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SP - 647

EP - 660

JO - Nuclear Physics, Section B

JF - Nuclear Physics, Section B

IS - 3-4

ER -

Vertex operators in background fields

Abstract

All Science Journal Classification (ASJC) codes

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