Non-Radial Pulsation of a Boson Star. I: Formulation | Zendy

Yasufumi Kojima | Zendy; S. Yoshida | Zendy; Toshifumi Futamase | Zendy

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Non-Radial Pulsation of a Boson Star. I: Formulation

Author(s) -

Yasufumi Kojima,

S. Yoshida,

Toshifumi Futamase

Publication year - 1991

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp/86.2.401

Subject(s) - physics , gravitational wave , general relativity , boson , perturbation (astronomy) , parity (physics) , harmonics , classical mechanics , neutron star , mathematical physics , gravitation , numerical relativity , spherical harmonics , quantum electrodynamics , quantum mechanics , voltage

We shall investigate the non-radial pulsation of a boson star and the associated graviational waves. As the first step we here formulate the linearized perturbation around an equilibrium boson star in general relativity using the tensor harmonics and derive the perturbation equations for odd and even parity modes. It is found that the perturbations with odd parity do not couple with gravitational waves and the set of equations for even parity perturbations reduces to sixth-order system of differential equations

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