540 citations
- Institute of PhysicsPL104 papers
- National Centre for Nuclear ResearchPL22 papers
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- Max Planck Institute for Polymer ResearchDE17 papers
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16 papers · 1 filter
Quantum-gravitational effects on gauge-invariant scalar and tensor perturbations during inflation: The slow-roll approximation
David Brizuela, Claus Kiefer, Manuel Kraemer
We continue our study on corrections from canonical quantum gravity to the power spectra of gauge-invariant inflationary scalar and tensor perturbations. A direct canonical quantiz…
A resonant chain of four transiting, sub-Neptune planets
Sean M. Mills, Daniel C. Fabrycky, Cezary Migaszewski +3
Surveys have revealed many multi-planet systems containing super-Earths and Neptunes in orbits of a few days to a few months. There is debate whether in situ assembly or inward mig…
Statistical hierarchy of varying speed of light cosmologies
Vincenzo Salzano, Mariusz P. Dabrowski
Variation of the speed of light is quite a debated issue in cosmology with some benefits, but also with some controversial concerns. Many approaches to develop a consistent varying…
The origin and 9:7 MMR dynamics of the Kepler-29 system
Cezary Migaszewski, Krzysztof Gozdziewski, Federico Panichi
We analyse the Transit Timing Variation (TTV) measurements of a~system of two super-Earths detected as Kepler-29, in order to constrain the planets' masses and orbital parameters.…
Modeling of deep gaps created by giant planets in protoplanetary discs
K. D. Kanagawa, H. Tanaka, T. Muto +1
A giant planet embedded in a protoplanetary disk creates a gap. This process is important for both theory and observations. Using results of a survey for a wide parameter range wit…
Cosmological future singularities in interacting dark energy models
Jose Beltran Jimenez, Diego Rubiera-Garcia, Diego Saez-Gomez +1
The existence of interactions between dark matter and dark energy has been widely studied, since they can fit well the observational data and may provide new physics through such a…