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6 papers · 2 filters
Entanglement Rényi entropies in celestial holography
Federico Capone, Andy O'Bannon, Ronnie Rodgers +1
Celestial holography is the conjecture that scattering amplitudes in -dimensional asymptotically Minkowski spacetimes are dual to correlators of a -dimensional conformal…
Traversable wormhole for string, but not for particle
Hun Jang, Minkyoo Kim, Hocheol Lee +1
We propose a Lorentzian wormhole geometry characterized by a closed string massless sector with nontrivial -flux and a scalar dilaton. In the string frame, the dilaton exhibits…
Perturbations in string cosmology from double field theory
Stephen Angus, Shinji Mukohyama
The low-energy limit of string theory contains additional gravitational degrees of freedom, a skew-symmetric tensor -field and a scalar dilaton, that are not present in general…
The quasilocal energy and thermodynamic first law in accelerating AdS black holes
Wontae Kim, Mungon Nam, Sang-Heon Yi
We scrutinize the conserved energy of an accelerating AdS black hole by employing the off-shell quasilocal formalism, which amalgamates the ADT formalism with the covariant phase s…
Stability and topological nature of charged Gauss-Bonnet AdS black holes in five dimensions
Imtak Jeon, Bum-Hoon Lee, Wonwoo Lee +1
We investigate the thermodynamics of Reissner-Nordstrom Gauss-Bonnet (RN-GB) black holes in anti-de Sitter (AdS) space with three horizon geometries (k=+1,0,-1) within the grand ca…
Supermassive gauginos in supergravity inflation with high-scale SUSY breaking
Hun Jang, Massimo Porrati
A model of supergravity inflation we recently proposed can produce slow roll inflation and a realistic spectrum of particles even without F-term supersymmetry breaking. Supersymmet…