Dual nature of Ricci scalar and creation of spinless particles
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Manifestation of Ricci scalar like a matter field as well as a geometrical field, at high energy, has been noted earlier . Here, its interaction with another scalar field is considered in four-dimensional curved space-time. This interaction leads to the production of a large number of pairs of spinless particle-antiparticle due to expansion of the early universe in the vacuum state (provided by temperature dependent Coleman-Weinberg like potential for Ricci field), where spontaneous symmetry breaking takes place.
Volume 97, 2023
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