Elusive Worldsheet Instantons in Heterotic String Compactifications

dc.contributor.author

Aspinwall, Paul S

dc.contributor.author

Plesser, M Ronen

dc.contributor.editor

Block, J

dc.contributor.editor

Distler, J

dc.contributor.editor

Donagi, R

dc.contributor.editor

Sharpe, E

dc.date.accessioned

2019-12-15T23:09:57Z

dc.date.available

2019-12-15T23:09:57Z

dc.date.issued

2012-01-01

dc.date.updated

2019-12-15T23:09:56Z

dc.description.abstract

We compute the spectrum of massless gauge singlets in some heterotic string compactifications using Landau-Ginzburg, orbifold and non-linear sigma-model methods. This probes the worldsheet instanton corrections to the quadratic terms in the spacetime superpotential. Previous results predict that some of these states remain massless when instanton effects are included. We find vanishing masses in many cases not covered by these predictions. However, we discover that in the case of the Z-manifold the corrections do not vanish. Despite this, in all the examples studied, we find that the massless spectrum in the orbifold limit agrees with the nonlinear sigma-model computation.

dc.identifier.issn

0082-0717

dc.identifier.uri

https://hdl.handle.net/10161/19594

dc.language

English

dc.publisher

AMER MATHEMATICAL SOC

dc.relation.ispartof

STRING-MATH 2011

dc.subject

Science & Technology

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Physical Sciences

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Mathematics

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Physics, Mathematical

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Physics

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LOCAL COHOMOLOGY

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TORIC VARIETIES

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MODULI

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SPACE

dc.title

Elusive Worldsheet Instantons in Heterotic String Compactifications

dc.type

Journal article

duke.contributor.orcid

Plesser, M Ronen|0000-0002-6657-6665

pubs.begin-page

33

pubs.end-page

51

pubs.organisational-group

Trinity College of Arts & Sciences

pubs.organisational-group

Duke

pubs.organisational-group

Mathematics

pubs.organisational-group

Physics

pubs.publication-status

Published

pubs.volume

85

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