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arXiv 1207.6142gr-qc
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玻色子星的诱导标量化与标量引力辐射

Induced scalarization in boson stars and scalar gravitational radiation

Milton Ruiz, Juan Carlos Degollado, Miguel Alcubierre, Dario Nunez, Marcelo Salgado

摘要:

本文在物理(约当)框架下研究标量-张量引力理论中玻色子星的动力学演化。我们以广义相对论中著名的单玻色子星S分支上的初始数据位形为基础,重点研究了自发标量化和诱导标量化。我们表明,在标量化过程中发生的标量辐射的强发射。在一个特定的标量张量理论中的一个单一的玻色子星的新的稳定配置(S分支)。

英文摘要:

The dynamical evolution of boson stars in scalar-tensor theories of gravity is considered in the physical (Jordan) frame. We focus on the study of spontaneous and induced scalarization, for which we take as initial data configurations on the well-known S-branch of a single boson star in general relativity. We show that during the scalarization process a strong emission of scalar radiation occurs. The new stable configurations (S-branch) of a single boson star within a particular scalar-tensor theory are also presented.

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