Higher derivative supergravities in diverse dimensions
We survey on-shell and off-shell higher derivative supergravities in dimensions 1≤ D≤ 11.
Various approaches to their construction, including the Noether procedure,(harmonic) …
Various approaches to their construction, including the Noether procedure,(harmonic) …
The first law and Wald entropy formula of heterotic stringy black holes at first order in α′
A bstract We derive the first law of black hole mechanics in the context of the Heterotic
Superstring effective action to first order in α′ using Wald's formalism. We carefully take into …
Superstring effective action to first order in α′ using Wald's formalism. We carefully take into …
The supersymmetric Neveu-Schwarz branes of non-relativistic string theory
A bstract We construct the basic Neveu-Schwarz (NS) brane solutions of non-relativistic
string theory using longitudinal T-duality as a solution generating technique. Extending the …
string theory using longitudinal T-duality as a solution generating technique. Extending the …
Non-supersymmetric black holes with α′ corrections
A bstract We study extremal 5-and 4-dimensional black hole solutions of the Heterotic
Superstring effective action at first order in α′ with, respectively, 3 and 4 charges of arbitrary …
Superstring effective action at first order in α′ with, respectively, 3 and 4 charges of arbitrary …
T duality and Wald entropy formula in the Heterotic Superstring effective action at first-order in α′
A bstract We consider the compactification on a circle of the Heterotic Superstring effective
action to first order in the Regge slope parameter α′ and re-derive the α′-corrected …
action to first order in the Regge slope parameter α′ and re-derive the α′-corrected …
O (n, n) invariance and Wald entropy formula in the Heterotic Superstring effective action at first order in α′
T Ortín - Journal of High Energy Physics, 2021 - Springer
A bstract We perform the toroidal compactification of the full Bergshoeff-de Roo version of
the Heterotic Superstring effective action to first order in α′. The dimensionally-reduced …
the Heterotic Superstring effective action to first order in α′. The dimensionally-reduced …
Supersymmetry, T-duality and heterotic α′-corrections
E Lescano, CA Núñez, JA Rodríguez - Journal of High Energy Physics, 2021 - Springer
A bstract Higher-derivative interactions and transformation rules of the fields in the effective
field theories of the massless string states are strongly constrained by space-time …
field theories of the massless string states are strongly constrained by space-time …
The small black hole illusion
PA Cano, PF Ramírez, A Ruipérez - Journal of High Energy Physics, 2020 - Springer
A bstract Small black holes in string theory are characterized by a classically singular
horizon with vanishing Bekenstein-Hawking entropy. It has been argued that higher …
horizon with vanishing Bekenstein-Hawking entropy. It has been argued that higher …
On small black holes, KK monopoles and solitonic 5-branes
A bstract We review and extend results on higher-curvature corrections to different
configurations describing a superposition of heterotic strings, KK monopoles, solitonic 5 …
configurations describing a superposition of heterotic strings, KK monopoles, solitonic 5 …
Higher-derivative corrections to small black rings
A Ruipérez - Classical and Quantum Gravity, 2021 - iopscience.iop.org
We compute the first-order α'corrections to a general family of supersymmetric heterotic
backgrounds which describes a rotating superposition of a fundamental string and a …
backgrounds which describes a rotating superposition of a fundamental string and a …