SCOAP3 Repository 15 records found  1 - 10nextSearch took 0.02 seconds. 
1. Horndeski gravity in the swampland / Heisenberg, Lavinia ; Bartelmann, Matthias ; Brandenberger, Robert ; Refregier, Alexandre
We investigate the implications of string swampland criteria for alternative theories of gravity. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.124020
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2. Is the spectrum of gravitational waves the “Holy Grail” of inflation? / Brandenberger, Robert H.
It is often said that detecting a spectrum of primordial gravitational waves via observing B-mode polarization of the Cosmic Microwave Background is the “Holy Grail” of inflation. [...]
Published in EPJC 79 (2019) 387 10.1140/epjc/s10052-019-6883-4
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3. T-dual cosmological solutions in double field theory. II. / Bernardo, Heliudson ; Brandenberger, Robert ; Franzmann, Guilherme
In this paper we present cosmological solutions of double field theory in the supergravity frame and in the winding frame which are related via T-duality. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.063521 arXiv:1901.01209
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4. T-dual cosmological solutions in double field theory / Brandenberger, Robert ; Costa, Renato ; Franzmann, Guilherme ; Weltman, Amanda
We investigate the cosmological solutions coming from the double field theory equations of motion after coupling a matter source to them. [...]
Published in Physical Review D 99 (2019) 10.1103/PhysRevD.99.023531 arXiv:1809.03482
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5. Backreaction of super-Hubble cosmological perturbations beyond perturbation theory / Brandenberger, Robert ; Graef, Leila L. ; Marozzi, Giovanni ; Vacca, Gian Paolo
We discuss the effect of super-Hubble cosmological fluctuations on the locally measured Hubble expansion rate. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.103523 arXiv:1807.07494
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6. Stringy black-hole gas in α-corrected dilaton gravity / Quintin, Jerome ; Brandenberger, Robert H. ; Gasperini, Maurizio ; Veneziano, Gabriele
We discuss the properties of the gas of primordial “stringy” black holes possibly formed in the high-curvature phase preceding the bouncing transition to the phase of standard cosmological evolution. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.103519 arXiv:1809.01658
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7. Dual spacetime and nonsingular string cosmology / Brandenberger, Robert ; Costa, Renato ; Franzmann, Guilherme ; Weltman, Amanda
Making use of the T-duality symmetry of superstring theory and of the double geometry from double field theory, we argue that cosmological singularities of a homogeneous and isotropic universe disappear. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.063521 arXiv:1805.06321
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8. Point particle motion in double field theory and a singularity-free cosmological solution / Brandenberger, Robert ; Costa, Renato ; Franzmann, Guilherme ; Weltman, Amanda
We generalize the action for point particle motion to a double field theory background. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.063530 arXiv:1710.02412
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9. Fluctuations through a vibrating bounce / Brandenberger, Robert ; Liang, Qiuyue ; Ramos, Rudnei O. ; Zhou, Siyi
We study the evolution of cosmological perturbations in a nonsingular bouncing cosmology with a bounce phase which has superimposed oscillations of the scale factor. [...]
Published in Phys. Rev. D 97 (2018) 10.1103/PhysRevD.97.043504 arXiv:1711.08370
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10. A note on trans-Planckian tail effects / Graef, L.L. ; Brandenberger, R.
We study the proposal by Mersini et al. [...]
Published in JCAP 1509 (2015) 032 10.1088/1475-7516/2015/09/032 arXiv:1505.02374
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SCOAP3 Repository : 15 records found   1 - 10next
See also: similar author names
9 Brandenberger, Robert
4 Brandenberger, Robert H.
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