CERN Accelerating science

CERN Document Server Pronađeno je 4 zapisa  Pretraživanje je potrajalo 0.63 sekundi 
1.
Discriminating same-mass neutron stars and black holes gravitational waveforms / Coupechoux, J.-F. (IP2I, Lyon) ; Arbey, A. (IP2I, Lyon ; CERN ; IUF, Paris) ; Chierici, R. (IP2I, Lyon) ; Hansen, H. (IP2I, Lyon) ; Margueron, J. (IP2I, Lyon) ; Sordini, V. (IP2I, Lyon)
Gravitational wave-forms from coalescences of binary black hole systems and binary neutron star systems with low tidal effects can hardly be distinguished if the two systems have similar masses. In the absence of discriminating power based on the gravitational wave-forms, the classification of sources into binary neutron stars, binary black holes and mixed systems containing a black hole and a neutron star can only be unambiguous when assuming the standard model of stellar evolution and using the fact that there exists a mass gap between neutron stars and black holes. [...]
arXiv:2106.05805; CERN-TH-2021-088.- 2022-03-15 - 18 p. - Published in : Phys. Rev. D 105 (2022) 064063 Fulltext: PhysRevD.105.064063 - PDF; 2106.05805 - PDF;
2.
Unifying dark matter, dark energy and inflation with a fuzzy dark fluid / Arbey, A. (IP2I, Lyon ; IUF, Paris ; CERN) ; Coupechoux, J.-F (IP2I, Lyon)
Scalar fields appear in many cosmological models, in particular in order to provide explanations for dark energy and inflation, but also to emulate dark matter. In this paper, we show that it is possible for a scalar field to replace simultaneously dark matter, dark energy and inflation by assuming the existence of a non-minimal coupling to gravity, a Mexican hat potential, and a spontaneous symmetry breaking before inflation. [...]
arXiv:2007.05376; CERN-TH-2020-117.- 2021-01-20 - 23 p. - Published in : JCAP 2101 (2021) 033 Fulltext: PDF;
3.
Black hole mergers, gravitational waves and scaling relations / Arbey, Alexandre (IP2I, Lyon ; CERN ; IUF, Paris) ; Coupechoux, Jean-François (IP2I, Lyon)
Observations of gravitational waves provide new opportunities to study our Universe. [...]
arXiv:1911.10219 ; CERN-TH-2019-192.
- 25 p.
Fulltext
4.
Cosmological scalar fields and Big-Bang nucleosynthesis / Arbey, A. (Lyon, IPN ; CERN ; IUF, Paris) ; Coupechoux, J.-F. (Lyon, IPN)
Scalar fields are widely used in cosmology, in particular to emulate dark energy, for example in quintessence models, or to explain dark matter, in particular within the fuzzy dark matter model. In addition many scenarios involving primordial scalar fields which could have driven inflation or baryogenesis are currently under scrutiny. [...]
arXiv:1907.04367; CERN-TH-2019-111.- 2019-11-27 - 28 p. - Published in : JCAP 1911 (2019) 038 Fulltext: PDF;

Također vidi: slična imena autora
1 Coupechoux, J.-F
1 Coupechoux, JF
4 Coupechoux, Jean-Francois
4 Coupechoux, Jean-François
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