Vector bosons in the expanding universe
Physics Department, Akdeniz University, 07058, P. K. 510 Antalya, Turkey
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We exactly solve the relativistic wave equation for vector bosons in the expanding universe and show that the current of the vector bosons in this background is rapidly oscillating in early time. Additionally, we derive the solutions of the Proca equation from the solutions of the Duffin-Kemmer-Petiau (DKP) equations in the same background and obtain the massless-particle, photon, solutions by taking the limit of these solutions.
PACS. 03.65.Pm, 04.60.-m, 98.80.Cq
© Springer-Verlag, 2005