Azrul S. K. Pohan, Husin Alatas, Bobby E. Gunara
We examine the dynamical characteristics of massive interacting scalar field introduced in the Bekenstein-Sandvik-Barrow-Magueijo (BSBM) theory. Based on the classification of matter- and radiation-dominated cosmological eras, we consider three possible physical scenarios that allowed by the theory. We present the analysis of its dynamics in terms of phase space of the corresponding massive scalar field. The results demonstrate distinct characteristics between those eras. Characteristic of the related fine structure constant is also discussed.
Indonesia Center for Theoretical and Mathematical Physics (ICTMP), Institut Teknologi Bandung, Indonesia; Theoretical Physics Division, Department of Physics, Institut Teknologi Sumatera, Indonesia; Theoretical Physics Division, Department of Physics, Bogor Agricultural University, Indonesia; Theoretical High Energy Physics and Instrumentation Research Division, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Indonesia
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