Nonperturbative effects on the string world sheet

M. Dine; N. Seiberg; X. G. Wen; E. Witten

doi:10.1016/0550-3213(86)90418-9

Nonperturbative effects on the string world sheet

M. Dine, N. Seiberg, X. G. Wen, E. Witten

Physics

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

316 Scopus citations

Abstract

We show that the space-time superpotential, which is known to receive no string theoretic corrections in finite orders in α′, is modified by world-sheet instantons. This has a number of interesting consequences for the physics of compactification schemes which lead to low-energy supersymmetry. We also present an argument that left-right symmetric Calabi-Yau spaces lead to conformally invariant sigma models both perturbatively and nonperturbatively.

Original language	English (US)
Pages (from-to)	769-789
Number of pages	21
Journal	Nuclear Physics, Section B
Volume	278
Issue number	4
DOIs	https://doi.org/10.1016/0550-3213(86)90418-9
State	Published - Dec 22 1986

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/0550-3213(86)90418-9

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title = "Nonperturbative effects on the string world sheet",

abstract = "We show that the space-time superpotential, which is known to receive no string theoretic corrections in finite orders in α′, is modified by world-sheet instantons. This has a number of interesting consequences for the physics of compactification schemes which lead to low-energy supersymmetry. We also present an argument that left-right symmetric Calabi-Yau spaces lead to conformally invariant sigma models both perturbatively and nonperturbatively.",

author = "M. Dine and N. Seiberg and Wen, {X. G.} and E. Witten",

note = "Funding Information: The work of M.D. was supported in part by NSF grant PHY-82-17352, that of N.S. by DOE contract DE-AC02-76ER02220 and that of X.G.W. and E.W. by NSF grant PHY-80-19754. We would like to thank S. Yankielowicz for discussion.",

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T1 - Nonperturbative effects on the string world sheet

AU - Dine, M.

AU - Seiberg, N.

AU - Wen, X. G.

AU - Witten, E.

N1 - Funding Information: The work of M.D. was supported in part by NSF grant PHY-82-17352, that of N.S. by DOE contract DE-AC02-76ER02220 and that of X.G.W. and E.W. by NSF grant PHY-80-19754. We would like to thank S. Yankielowicz for discussion.

PY - 1986/12/22

Y1 - 1986/12/22

N2 - We show that the space-time superpotential, which is known to receive no string theoretic corrections in finite orders in α′, is modified by world-sheet instantons. This has a number of interesting consequences for the physics of compactification schemes which lead to low-energy supersymmetry. We also present an argument that left-right symmetric Calabi-Yau spaces lead to conformally invariant sigma models both perturbatively and nonperturbatively.

AB - We show that the space-time superpotential, which is known to receive no string theoretic corrections in finite orders in α′, is modified by world-sheet instantons. This has a number of interesting consequences for the physics of compactification schemes which lead to low-energy supersymmetry. We also present an argument that left-right symmetric Calabi-Yau spaces lead to conformally invariant sigma models both perturbatively and nonperturbatively.

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SP - 769

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JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 4

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Nonperturbative effects on the string world sheet

Abstract

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