Results 121 to 130 of about 570 (144)

String theory in the early universe

, 2009
String theory is a rich and elegant framework which many believe furnishes a UV-complete unified theory of the fundamental interactions, including gravity.
Gwyn, Rhiannon
core  

Topological amplitudes and string effective couplings

, 2007
Diese Arbeit behandelt die Berechnung topologischer Amplituden in unterschiedlichen String Theorien mit höherer Supersymmetrie, sowie einige ihrer Anwendungen in verschiedenen Gebieten der theoretischen Physik.Die Entdeckung, dass bestimmte physikalische
Hohenegger, Stefan
core  

String Field Theory: A Review

As of today there exist consistent, gauge-invariant string field theories describing all string theories: bosonic open and closed strings, open superstrings, heterotic strings and type II strings.
Sen, Ashoke, Zwiebach, Barton
core  

Non-perturbative triality in heterotic and type II N = 2 strings

Nuclear Physics B, 1999
The non-perturbative equivalence of four-dimensional N=2 superstrings with three vector multiplets and four hypermultiplets is analysed. These models are obtained through freely acting orbifold compactifications from the heterotic, the symmetric and the ...
Costas Kounnas, P Marios Petropoulos
exaly   +2 more sources

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Superconducting strings from heterotic superstring

Physical Review D, 1992
Superheavy flux tubes do not occur in the standard model, the simplest SU(5), and the observable gauge sector based on Calabi-Yau compactification of the heterotic string. We prove that topologically nontrivial string solutions exist naturally in the flipped SU(5) model.
, Li, , Zhang
openaire   +2 more sources

One-loop corrections to the four-graviton interaction in type-II superstring theory and heterotic string theory

Physical Review D, 1988
Various one-loop corrections to the four-graviton interaction in type-II superstring theory and heterotic string theory are sorted out and some of them explicitly calculated. In particular, the leading correction for ..cap alpha..'..-->..0 from the heterotic amplitude is obtained.
, Meissner, , Pawelczyk, , Pokorski
openaire   +2 more sources

The Truncation and Renormalizability of the Superstring and Heterotic String Effective Actions

Reports on Mathematical Physics, 2012
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Symmetry enhancements in 7d heterotic strings

Journal of High Energy Physics, 2021
Bernardo Fraiman, Hector PARRA De Freitas   +1 more
exaly  

Heterotic strings on G2 orbifolds

Journal of High Energy Physics, 2010
Anamaría Font, Font Anamaría
exaly  

E(lementary)-strings in six-dimensional heterotic F-theory

Journal of High Energy Physics, 2017
Kang-Sin Choi, Soo-Jong Rey, Choi Kang-Sin   +2 more
exaly