Výsledky vyhľadávania - String and superstring theories in gravitational theory

Cosmic superstrings in large volume compactifications: PTAs, LISA and time-varying tension Autor Ghoshal, Anish, Revello, Filippo, Villa, Gonzalo

Získať plný text

Gravitational waves from cosmic superstrings and gauge strings Autor Marfatia, Danny, Zhou, Ye-Ling

“…A bstract We perform a phenomenological comparison of the gravitational wave (GW) spectrum expected from cosmic gauge string networks and superstring networks comprised of multiple string types…”
Získať plný text

Comparison of cosmic string and superstring models to NANOGrav 12.5-year results Autor Blanco-Pillado, Jose J., Olum, Ken D., Wachter, Jeremy M.

“…We compare the spectrum of the stochastic gravitational wave background produced in several models of cosmic strings with the common-spectrum process recently reported by NANOGrav…”
Získať plný text

Compton scattering from superstrings Autor Azevedo, Thales, Matamoros, Daniel E. A., Menezes, Gabriel

“… We consider the cases of electromagnetism and gravity. We obtain such amplitudes by calculating the corresponding ones from superstring theory involving states on the leading Regge trajectory…”
Získať plný text

The stochastic gravitational wave background from cosmic superstrings Autor Avgoustidis, Anastasios, Copeland, Edmund J., Moss, Adam, Raidal, Juhan

Získať plný text

Dynamical systems and superstring phases in the early universe Autor González, Noelia Sánchez, Conlon, Joseph P., Copeland, Edmund J., Hardy, Edward

“…A bstract We study the string theory dynamics of the volume scalar rolling down an exponential potential during the period between inflation and reheating, in a background of cosmic superstring loops…”
Získať plný text

Induced gravitational waves from flipped SU(5) superstring theory at nHz Autor Basilakos, Spyros, Nanopoulos, Dimitri V., Papanikolaou, Theodoros, Saridakis, Emmanuel N., Tzerefos, Charalampos

“…The no-scale flipped SU(5) superstring framework constitutes a very promising paradigm for physics below the Planck scale providing us with a very rich cosmological phenomenology in accordance with observations…”
Získať plný text

Cosmic superstrings, metastable strings and ultralight primordial black holes: from NANOGrav to LIGO and beyond Autor Datta, Satyabrata, Samanta, Rome

“…A bstract While topologically stable cosmic strings are disfavoured by the recent observation of nHz stochastic gravitational waves (GW…”
Získať plný text

Constraints on Tree-Level Higher Order Gravitational Couplings in Superstring Theory Autor Stieberger, Stephan

“…We consider the scattering amplitudes of five and six gravitons at tree level in superstring theory…”
Získať plný text

Analytic bootstrap bounds on masses and spins in gravitational and non-gravitational scalar theories Autor Berman, Justin, Geiser, Nicholas

“…A bstract We derive analytic constraints on the weakly-coupled spectrum of theories with a massless scalar under the standard assumptions of the S-matrix bootstrap program…”
Získať plný text

Gravitational waves in warped compactifications Autor Andriot, David, Tsimpis, Dimitrios

“…A bstract We study gravitational waves propagating on a warped Minkowski space-time with D…”
Získať plný text

On (scalar QED) gravitational positivity bounds Autor Hamada, Yuta, Kuramochi, Rinto, Loges, Gregory J., Nakajima, Sota

“…A bstract We study positivity bounds in the presence of gravity. We first review the gravitational positivity bound at the tree-level, where it is…”
Získať plný text

IR/UV mixing, towers of species and swampland conjectures Autor Castellano, Alberto, Herráez, Alvaro, Ibáñez, Luis E.

“…IR one obtains that the UV and IR cut-offs of the EFT are necessarily correlated. We argue that in a theory of Quantum Gravity (QG…”
Získať plný text

Toward simulating superstring/M-theory on a quantum computer Autor Gharibyan, Hrant, Hanada, Masanori, Honda, Masazumi, Liu, Junyu

“… Supersymmetric matrix models have natural applications to superstring/M-theory and gravitational physics, in an appropriate limit of parameters…”
Získať plný text

Gravitational couplings in N=2 string compactifications and Mathieu Moonshine Autor Chattopadhyaya, Aradhita, David, Justin R.

“… × E 8 string theory compactified on orbifolds of K 3 × T 2 by g ′ which acts as a ℤ…”
Získať plný text

The gravitational sector of 2d (0, 2) F-theory vacua Autor Lawrie, Craig, Schäfer-Nameki, Sakura, Weigand, Timo

“… Using our recent results on the gravitational anomalies of duality twisted D3-branes wrapping curves in Calabi-Yau fivefolds we show that the F-theory spectrum is anomaly free…”
Získať plný text

Preheating axions in string cosmology Autor Leedom, Jacob M., Putti, Margherita, Righi, Nicole, Westphal, Alexander

“… In this work, we study parametric resonance production of axions in string models of inflation…”
Získať plný text

PQ axiverse Autor Demirtas, Mehmet, Gendler, Naomi, Long, Cody, McAllister, Liam, Moritz, Jakob

“…A bstract We show that the strong CP problem is solved in a large class of compactifications of string theory…”
Získať plný text

Gravitational couplings in N = 2 heterotic compactifications with Wilson lines Autor Chattopadhyaya, Aradhita

“…A bstract In this paper we compute the gravitational couplings of the heterotic string compactified on ( K 3 × T 2 ) / ℤ N and E 8…”
Získať plný text

Thraxions: towards full string models Autor Carta, Federico, Mininno, Alessandro, Righi, Nicole, Westphal, Alexander

“…A bstract We elucidate various aspects of the physics of thraxions, ultra-light axions arising at Klebanov-Strassler multi-throats in the compactification space of IIB superstring theory…”
Získať plný text