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Phase conversion dissipation in multicomponent compact stars
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DOI：10.1103/PhysRevC.91.055804.png)
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摘要
En 中文
We propose a mechanism for the damping of density oscillations in multicomponent compact stars. The mechanism is the periodic conversion between different phases, i.e., the movement of the interface between them, induced by pressure oscillations in the star. The damping grows nonlinearly with the amplitude of the oscillation. We study in detail the case of r-modes in a hybrid star with a sharp interface, and we find that this mechanism is powerful enough to saturate the r-mode at very low saturation amplitude, of order 10(-10), and is therefore likely to be the dominant r-mode saturation mechanism in hybrid stars with a sharp interface.
Keyword:
R-MODE INSTABILITY
MAXIMUM ROTATION RATE
BULK VISCOSITY
URCA PROCESSES
NEUTRON-STARS
X-RAY
MATTER
QUARK
CORES
SATURATION
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期刊
IF:
3.4
论文数:
2.9W
被引数:
5.7W
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