Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Massai, Stefano"'
We find solutions of the heterotic string effective action describing the first-order $\alpha'$ corrections to two-charge black holes at finite temperature. Making explicit use of these solutions, we compute the corrections to the thermodynamic quant
Externí odkaz:
http://arxiv.org/abs/2311.03308
Autor:
Emelin, Maxim, Massai, Stefano
We study the dynamics of certain string configurations in a class of fivebrane supertube backgrounds. In the decoupling limit of the fivebranes, these solutions are known to admit an exact description in worldsheet string theory and string propagatio
Externí odkaz:
http://arxiv.org/abs/2305.11793
The BPS sector in AdS_3/CFT_2 duality has been fertile ground for the exploration of gauge/gravity duality, from the match between black hole entropy and the CFT elliptic genus to the construction of large families of geometrical microstates and the
Externí odkaz:
http://arxiv.org/abs/2211.12476
Publikováno v:
JHEP 2012 (2020) 135
We explore the stringy structure of 1/2-BPS bound states of NS fivebranes carrying momentum or fundamental string charge, in the decoupling limits leading to little string theory and to AdS3/CFT2 duality. We develop an exact worldsheet description of
Externí odkaz:
http://arxiv.org/abs/2005.12344
Publikováno v:
JHEP 1911 (2019) 019
At high energy densities, fivebranes are populated by a Hagedorn phase of so-called "little strings", whose statistical mechanics underlies black fivebrane thermodynamics. A particular limit of this phase yields BTZ black holes in $AdS_3$, leading us
Externí odkaz:
http://arxiv.org/abs/1906.11473
Publikováno v:
JHEP 1809 (2018) 031
String theory dynamics on certain fivebrane supertube backgrounds is described by an exactly solvable null-gauged WZW model. We use this description to compute the spectrum of closed string excitations on the three-charge non-supersymmetric solution
Externí odkaz:
http://arxiv.org/abs/1803.08505
We study stringy modifications of $T^3$-fibered manifolds, where the fiber undergoes a monodromy in the T-duality group. We determine the fibration data defining such T-folds from a geometric model, by using a map between the duality group and the gr
Externí odkaz:
http://arxiv.org/abs/1803.00550
Autor:
Font, Anamaría, García-Etxebarria, Iñaki, Lust, Dieter, Massai, Stefano, Mayrhofer, Christoph
Publikováno v:
PoS CORFU2016 (2017) 123
We study ${\mathcal N}=(1,0)$ six-dimensional theories living on defects of non-geometric backgrounds of the $E_8\times E_8$ and the $\text{Spin}(32)/{\mathbb Z}_2$ heterotic strings. Such configurations can be analyzed by dualizing to F-theory on el
Externí odkaz:
http://arxiv.org/abs/1712.07083
Autor:
Martinec, Emil J., Massai, Stefano
String theory on AdS3 backgrounds arises as an IR limit of Little String Theory on NS5-branes. A wide variety of holographic RG flows from the fivebrane theory in the UV to (orbifolds of) AdS3 in the IR is amenable to exact treatment in worldsheet st
Externí odkaz:
http://arxiv.org/abs/1705.10844
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