Browsing by Subject "Conformal Field Models in String Theory"

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Erratum: Revisiting coupling selection rules in heterotic orbifold models (Journal of High Energy Physics (2012) 05 (008))

Kobayashi, Tatsuo; Parameswaran, Susha L.; Ramos-Sánchez, Saul; Zavala, Ivonne (Heidelberg : Springer Verlag, 2012)

Erratum to: Revisiting coupling selection rules in heterotic orbifold models in: Journal of High Energy Physics (2012) 05:8
R-charge conservation and more in factorizable and non-factorizable orbifolds

Bizet, Nana G. Cabo; Kobayashi, Tatsuo; Pena, Damian K. Mayorga; Parameswaran, Susha L.; Schmitz, Matthias; Zavala, Ivonne (New York, NY : Springer International Publishing, 2013)

We consider the string theory origin of R-charge conservation laws in heterotic orbifold compactifications, deriving the corresponding string coupling selection rule for factorizable and non-factorizable orbifolds, with ...
Revisiting coupling selection rules in heterotic orbifold models

Kobayashi, Tatsuo; Parameswaran, Susha L.; Ramos-Sánchez, Saul; Zavala, Ivonne (Heidelberg : Springer Verlag, 2012)

We study L-point couplings between twisted sector fields in heterotic orbifold compactifications, using conformal field theory. Selection rules provide an easy way to identify which couplings are non-vanishing. Those used ...

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