4

Thermal duality and non-singular cosmology in d-dimensional superstrings

Costas Kounnas, Hervé Partouche, Nicolaos Toumbas
Journal:
Nuclear Physics B
Year:
2012
Language:
english
File:
PDF, 308 KB
english, 2012
5

Spontaneous supersymmetry breaking in string theory

Costas Kounnas, Massimo Porrati
Journal:
Nuclear Physics B
Year:
1988
Language:
english
File:
PDF, 712 KB
english, 1988
6

Theories with two times

Itzhak Bars, Costas Kounnas
Journal:
Physics Letters B
Year:
1997
Language:
english
File:
PDF, 811 KB
english, 1997
7

Coordinate-dependent compactifications and discrete symmetries

Costas Kounnas, Bruno Rostand
Journal:
Nuclear Physics B
Year:
1990
Language:
english
File:
PDF, 1.52 MB
english, 1990
8

Black hole solutions inR2gravity

Kehagias, Alex, Kounnas, Costas, Lüst, Dieter, Riotto, Antonio
Journal:
Journal of High Energy Physics
Year:
2015
Language:
english
File:
PDF, 474 KB
english, 2015
9

Effective lagrangians for four-dimensional superstrings

Sergio Ferrara, Luciano Girardello, Costas Kounnas, Massimo Porrati
Journal:
Physics Letters B
Year:
1987
Language:
english
File:
PDF, 513 KB
english, 1987
11

Aspects of quadratic gravity

Alvarez-Gaume, Luis, Kehagias, Alex, Kounnas, Costas, Lüst, Dieter, Riotto, Antonio
Journal:
Fortschritte der Physik
Year:
2016
Language:
english
File:
PDF, 268 KB
english, 2016
12

String and particle with two times

Bars, Itzhak, Kounnas, Costas
Journal:
Physical Review D
Year:
1997
Language:
english
File:
PDF, 184 KB
english, 1997
14

super no-scale models and moduli quantum stability

Kounnas, Costas, Partouche, Hervé
Journal:
Nuclear Physics B
Year:
2017
Language:
english
File:
PDF, 502 KB
english, 2017
15

N=(4,2) chiral supergravity in six dimensions and solvable Lie algebras

Riccardo D'Auria, Sergio Ferrara, Costas Kounnas
Journal:
Physics Letters B
Year:
1998
Language:
english
File:
PDF, 115 KB
english, 1998
20

Instanton transition in thermal and moduli deformed de Sitter cosmology

Costas Kounnas, Hervé Partouche
Journal:
Nuclear Physics B
Year:
2008
Language:
english
File:
PDF, 476 KB
english, 2008
21

Dynamical topology change in string theory

Elias Kiritsis, Costas Kounnas
Journal:
Physics Letters B
Year:
1994
Language:
english
File:
PDF, 911 KB
english, 1994
24

Superstring solutions with spontaneously broken four-dimensional symmetries

Sergio Ferrara, Costas Kounnas, Massimo Porrati
Journal:
Nuclear Physics B
Year:
1988
Language:
english
File:
PDF, 577 KB
english, 1988
26

Duality and gaugino condensation in superstring models

Costas Kounnas, Massimo Porrati
Journal:
Physics Letters B
Year:
1987
Language:
english
File:
PDF, 348 KB
english, 1987
27

Gravitational equations of motion at the string scale

Sunil Kalara, Costas Kounnas, Keith A. Olive
Journal:
Physics Letters B
Year:
1988
Language:
english
File:
PDF, 403 KB
english, 1988
28

N = 1 superstrings with spontaneously broken symmetries

Sergio Ferrara, Costas Kounnas, Massimo Porrati
Journal:
Physics Letters B
Year:
1988
Language:
english
File:
PDF, 445 KB
english, 1988
29

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

Andrea Gregori, Costas Kounnas, P. Marios Petropoulos
Journal:
Nuclear Physics B
Year:
1999
Language:
english
File:
PDF, 1.30 MB
english, 1999
30

Cosmological string backgrounds from gauged WZW models

Costas Kounnas, Dieter Lüst
Journal:
Physics Letters B
Year:
1992
Language:
english
File:
PDF, 351 KB
english, 1992
31

Exophobic quasi-realistic heterotic string vacua

Benjamin Assel, Kyriakos Christodoulides, Alon E. Faraggi, Costas Kounnas, John Rizos
Journal:
Physics Letters B
Year:
2010
Language:
english
File:
PDF, 197 KB
english, 2010
33

On N=4 extended super-Liouville theory

Costas Kounnas, Massimo Porrati, Bruno Rostand
Journal:
Physics Letters B
Year:
1991
Language:
english
File:
PDF, 586 KB
english, 1991
34

Classification of heterotic Pati–Salam models

Benjamin Assel, Kyriakos Christodoulides, Alon E. Faraggi, Costas Kounnas, John Rizos
Journal:
Nuclear Physics B
Year:
2011
Language:
english
File:
PDF, 821 KB
english, 2011
36

Spinor–vector duality in heterotic SUSY vacua

Tristan Catelin-Jullien, Alon E. Faraggi, Costas Kounnas, John Rizos
Journal:
Nuclear Physics B
Year:
2009
Language:
english
File:
PDF, 262 KB
english, 2009
39

Chiral family classification of fermionic heterotic orbifold models

Alon E. Faraggi, Costas Kounnas, John Rizos
Journal:
Physics Letters B
Year:
2007
Language:
english
File:
PDF, 173 KB
english, 2007
40

S-brane to thermal non-singular string cosmology

Kounnas, Costas, Partouche, Hervé, Toumbas, Nicolaos
Journal:
Classical and Quantum Gravity
Year:
2012
Language:
english
File:
PDF, 300 KB
english, 2012
41

Four-dimensional gravitational backgrounds based on N = 4, ĉ = 4, superconformal systems

Costas Kounnas
Journal:
Physics Letters B
Year:
1994
Language:
english
File:
PDF, 804 KB
english, 1994
42

Extended supersymmetry in four-dimensional type II strings

Sergio Ferrara, Costas Kounnas
Journal:
Nuclear Physics B
Year:
1989
Language:
english
File:
PDF, 1.43 MB
english, 1989
43

Mass formulae and natural hierarchy in string effective supergravities

Sergio Ferrara, Costas Kounnas, Fabio Zwirner
Journal:
Nuclear Physics B
Year:
1994
Language:
english
File:
PDF, 2.48 MB
english, 1994
45

A Resolution of the Cosmological Singularity in String Theory

L. Cornalba, M.S. Costa, C. Kounnas
Journal:
Astrophysics and Space Science
Year:
2003
Language:
english
File:
PDF, 91 KB
english, 2003
46

Spinor-vector duality in fermionic heterotic orbifold models

Alon E. Faraggi, Costas Kounnas, John Rizos
Journal:
Nuclear Physics B
Year:
2007
Language:
english
File:
PDF, 526 KB
english, 2007
47

Orbifold symmetry reductions of massive boson–fermion degeneracy

Ioannis Florakis, Costas Kounnas
Journal:
Nuclear Physics B
Year:
2009
Language:
english
File:
PDF, 323 KB
english, 2009
48

Italië vlakbij

Condeescu, Cezar, Florakis, Ioannis, Kounnas, Costas, Lüst, Dieter
Journal:
Skipr
Year:
2013
Language:
dutch
File:
PDF, 741 KB
dutch, 2013