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arXiv · 1407.7367

Dilatonic Brans-Dicke Anisotropic Collapsing Fluid Sphere And de Broglie Quantum Wave Motion

Hossein Ghaffarnejad
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Abstract

Two dimensional (2D) analogue of vacuum sector of the Brans Dicke (BD) gravity [1] is studied to obtain dynamics of anisotropic spherically symmetric perfect fluid. Our obtained static solutions behave as dark matter with state equation $\gamma=\frac{p(\rho)}{\varrho}=-0.25$ but in non-static regimes behave as regular perfect fluid with barotropic index $\gamma>0.$ Positivity property of total mass of the fluid causes that the BD parameter to be $\omega>\frac{2}{3}$ and/or $\omega<-1$. Locations of the event and apparent horizons of the collapsing fluid are obtained in its static regime. In case $\omega>0$ the apparent horizon is covered by event horizon where the cosmic censorship hypothesis is still valid. According to the model [1], we obtain de Broglie pilot wave of our metric solution which describes particles ensemble which become distinguishable via different values of $\omega.$ Incident current density of particles ensemble on the horizons is evaluated which describe the `Hawking radiation`. The de Brogle -Bohm quantum potential effect is calculated also on the event (apparent) horizon which is independent (dependent) to values of $\omega.$

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Hossein Ghaffarnejad. 2014-07-28. Dilatonic Brans-Dicke Anisotropic Collapsing Fluid Sphere And de Broglie Quantum Wave Motion. https://doi.org/10.1088/1742-6596/738/1/012031

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