Red and blue shift in spherical and axisymmetric spacetimes and astrophysical constraints
Giambò R. Luongo O. Mauro L.
May 2022Springer Science and Business Media Deutschland GmbH
European Physical Journal Plus
2022#137Issue 5
We compute the red and blue shifts for astrophysical and cosmological sources. In particular, we consider low, intermediate and high gravitational energy domains. Thereby, we handle the binary system Earth–Mars as low energy landscape whereas white dwarfs and neutron stars as higher energy sources. To this end, we take into account a spherical Schwarzschild–de Sitter spacetime and an axially symmetric Zipoy–Voorhees metric to model all the aforementioned systems. Feasible outcomes come from modeling neutron stars and white dwarfs with the Zipoy–Voorhees metric, where quadrupole effects are relevant, and framing solar system objects using a Schwarzschild–de Sitter spacetime. In the first case, large δ parameters seem to be favorite, leading to acceptable bounds mainly for neutron stars. In the second case, we demonstrate incompatible red and blue shifts with respect to lunar and satellite laser ranging expectations, once the cosmological constant is taken to Planck satellite’s best fit. To heal this issue, we suggest coarse-grained experimental setups and propose Phobos for working out satellite laser ranging in order to get more suitable red and blue shift intervals, possibly more compatible than current experimental bounds. Implications to cosmological tensions are also debated.
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Scuola di Scienze e Tecnologie, Università di Camerino, Via Madonna delle Carceri 9, Camerino, 62032, Italy
Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Via Alessandro Pascoli 23c, Perugia, 06123, Italy
Dipartimento di Matematica, Università di Pisa, Largo B. Pontecorvo 5, Pisa, 56127, Italy
Institute of Experimental and Theoretical Physics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Dipartimento di Matematica e Fisica, Università degli Studi “Roma Tre”, Via della Vasca Navale, Roma, Italy
Istituto Nazionale di Fisica Nucleare (INFN), Laboratori Nazionali di Frascati, Frascati, 00044, Italy
Scuola di Scienze e Tecnologie
Istituto Nazionale di Fisica Nucleare
Dipartimento di Matematica
Institute of Experimental and Theoretical Physics
Dipartimento di Matematica e Fisica
Istituto Nazionale di Fisica Nucleare (INFN)
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