具有镜像暗物质核的奇异星与致密星观测的对抗
Strange stars with a mirror-dark-matter core confronting with the observations of compact stars
摘要：
在标准的MIT袋模型下，研究了具有镜像暗物质核的奇异星的结构和潮汐形变。我们发现，要同时解释PSR J0740+6620、PSR J0030+0451和GW 170817的观测，GW 170817中的SS应该具有MDM核，尽管PSR J0740+6620和PSR J0030+0451不需要包含MDM核。我们的研究结果表明，对于标准的MIT袋模型，上述致密星的观测证实了SS内部存在暗物质核。
英文摘要：
We investigate the structure and the tidal deformability of strange stars (SSs) with a mirror-dark-matter (MDM) core for the standard MIT bag model. We find that to explain the observations of PSR J0740+6620, PSR J0030+0451 and GW170817 simultaneously, SSs in GW170817 should have a MDM core although it is unnecessary for PSR J0740+6620 and PSR J0030+0451 to contain a MDM core. Our study leads to the result that for the standard MIT bag model, the observations of compact stars mentioned above confirm the existence of a dark-matter core inside SSs.
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