The necessity of multi-band observations of the stochastic gravitational wave background
Odintsov S.D. Oikonomou V.K.
December 2024Elsevier B.V.
Physics of the Dark Universe
2024#46
In this work we highlight an important perspective for the complete understanding of the stochastic gravitational background structure. The stochastic gravitational wave background is perhaps the most important current and future tool towards pinpointing the early Universe phenomenology related with the inflationary era and the subsequent reheating era. Many mysteries are inherent to the stochastic spectrum so in this work we highlight the fact that the complete understanding of early Universe physics and of astrophysical processes requires data from many distinct frequency band ranges. The combination of these data will provide a deeper and better understanding of the physics that forms the stochastic gravitational wave background, in both cases that it is of cosmological or astrophysical origin. We also discuss how the reheating temperature may be determined by combining multi-band frequency data from gravitational wave experiments and we also discuss how the shape of the gravitational wave energy spectrum can help us better understand the physical processes that formed it.
Stochastic gravitational waves
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Institute of Space Sciences (ICE, CSIC) C. Can Magrans s/n, Barcelona, 08193, Spain
ICREA, Passeig Luis Companys, 23, Barcelona, 08010, Spain
Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece
L.N. Gumilyov Eurasian National University - Astana, 010008, Kazakhstan
Laboratory for Theoretical Cosmology, Tomsk State University of Control Systems and Radioelectronics (TUSUR), Tomsk, 634050, Russian Federation
Institute of Space Sciences (ICE
ICREA
Department of Physics
L.N. Gumilyov Eurasian National University - Astana
Laboratory for Theoretical Cosmology
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