scholarly journals M-theory lift of brane-antibrane systems and localised closed string tachyons

2002 ◽  
Vol 2002 (05) ◽  
pp. 045-045 ◽  
Author(s):  
Raúl Rabadán ◽  
Joan Simón
Keyword(s):  
Closed String ◽  
Closed String Tachyons ◽  
M Theory

scholarly journals Closed-String Tachyons and the Hagedorn Transition in AdS Space

2002 ◽  
Vol 2002 (03) ◽  
pp. 057-057 ◽  
Author(s):  
José L.F Barbón ◽  
Eliezer Rabinovici
Keyword(s):  
Closed String ◽  
Closed String Tachyons

scholarly journals Closed string tachyons on AdS orbifolds and dual Yang-Mills instantons

2007 ◽  
Vol 2007 (09) ◽  
pp. 021-021 ◽  
Author(s):  
Yasuaki Hikida ◽  
Norihiro Iizuka
Keyword(s):  
Closed String ◽  
Yang Mills ◽  
Closed String Tachyons

scholarly journals M-theory and orientifolds

2020 ◽  
Vol 2020 (9) ◽  
Author(s):  
Andreas P. Braun
Keyword(s):  
Building Blocks ◽  
Open String ◽  
Closed String ◽  
Connected Sum ◽  
M Theory

Abstract We construct the M-Theory lifts of type IIA orientifolds based on K3-fibred Calabi-Yau threefolds with compatible involutions. Such orientifolds are shown to lift to M-Theory on twisted connected sum G2 manifolds. Beautifully, the two building blocks forming the G2 manifold correspond to the open and closed string sectors. As an application, we show how to use such lifts to explicitly study open string moduli. Finally, we use our analysis to construct examples of G2 manifolds with different inequivalent TCS realizations.

scholarly journals On the CSFT approach to localized closed string tachyons

2005 ◽  
Vol 2005 (01) ◽  
pp. 014-014 ◽  
Author(s):  
Oren Bergman ◽  
Shlomo S Razamat
Keyword(s):  
Closed String ◽  
Closed String Tachyons

scholarly journals ON THE GAUGE/GRAVITY CORRESPONDENCE AND THE OPEN/CLOSED STRING DUALITY

2005 ◽  
Vol 20 (20n21) ◽  
pp. 4699-4795 ◽  
Author(s):  
PAOLO DI VECCHIA ◽  
ANTONELLA LICCARDO ◽  
RAFFAELE MAROTTA ◽  
FRANCO PEZZELLA
Keyword(s):  
String Duality ◽  
Closed String ◽  
String Models ◽  
Supersymmetric Theories ◽  
Gauge Gravity ◽  
Closed String Tachyons

In this paper we review the conditions for the validity of the gauge/gravity correspondence in both supersymmetric and nonsupersymmetric string models. We start by reminding what happens in type IIB theory on the orbifolds ℂ2/ℤ2and ℂ3/(ℤ2x ℤ2), where this correspondence beautifully works. In these cases, by performing a complete stringy calculation of the interaction among D3-branes, it has been shown that the fact that this correspondence works is a consequence of the open/closed duality and of the absence of threshold corrections. Then we review the construction of type 0 theories with their orbifolds and orientifolds having spectra free from both open and closed string tachyons and for such models we study the validity of the gauge/gravity correspondence, concluding that this is not a peculiarity of supersymmetric theories, but it may work also for nonsupersymmetric models. Also in these cases, when it works, it is again a consequence of the open/closed string duality and of vanishing threshold corrections.

scholarly journals Don't panic! closed string tachyons in ALE spacetimes

2001 ◽  
Vol 2001 (10) ◽  
pp. 029-029 ◽  
Author(s):  
Allan Adams ◽  
Joseph Polchinski ◽  
Eva Silverstein
Keyword(s):  
Closed String ◽  
Closed String Tachyons

scholarly journals Interaction between Noncommutative Open Strings and Closed-String Tachyons

2001 ◽  
Vol 106 (3) ◽  
pp. 645-652
Author(s):  
A. Kokado ◽  
G. Konisi ◽  
T. Saito
Keyword(s):  
Closed String ◽  
Open Strings ◽  
Closed String Tachyons
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