scholarly journals Superstring cosmology for N4 = 1 → 0 superstring vacua

2011 ◽  
Vol 59 (9) ◽  
pp. 861-895 ◽  
Author(s):  
J. Estes ◽  
C. Kounnas ◽  
H. Partouche
Keyword(s):  

1995 ◽  
Vol 108 (1) ◽  
pp. 97-103
Author(s):  
A. Peterman ◽  
A. Zichichi




2002 ◽  
Vol 2002 (10) ◽  
pp. 067-067 ◽  
Author(s):  
Yasuaki Hikida ◽  
Yuji Sugawara
Keyword(s):  


1994 ◽  
Vol 09 (08) ◽  
pp. 1361-1393 ◽  
Author(s):  
E. KIRITSIS ◽  
C. KOUNNAS ◽  
D. LÜST

A large class of new 4D superstring vacua with nontrivial/singular geometries, space–time supersymmetry and other background fields (axion, dilaton) are found. Killing symmetries are generic and are associated with nontrivial dilaton and antisymmetric tensor fields. Duality symmetries preserving N = 2 superconformal invariance are employed to generate a large class of explicit metrics for noncompact 4D Calabi–Yau manifolds with Killing symmetries. We comment on some of our solutions which have interesting singularity properties and cosmological interpretation.



1991 ◽  
Vol 06 (24) ◽  
pp. 2211-2215 ◽  
Author(s):  
AMIT GIVEON ◽  
DIRK-JAN SMIT

The Yukawa couplings of (2, 2) superstring vacua of matter fields, corresponding to untwisted (c, c) marginal chiral states, are computed exactly, as functions of the moduli, using d = 3 topological Landau–Ginzburg models.



1987 ◽  
Vol 4 (5) ◽  
pp. 1183-1192 ◽  
Author(s):  
K Pilch ◽  
N P Warner


1987 ◽  
Vol 28 (11) ◽  
pp. 2564-2568
Author(s):  
Brett McInnes
Keyword(s):  


2008 ◽  
Vol 805 (1-2) ◽  
pp. 168-181 ◽  
Author(s):  
Massimo Bianchi


2010 ◽  
Vol 58 (7-9) ◽  
pp. 758-762 ◽  
Author(s):  
J. Rizos
Keyword(s):  


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