暗物质是否触发碳熄火超新星？
Are carbon deflagration supernovae triggered by dark matter ?
AI总结：
暗物质与恒星残骸碰撞可能触发碳熄火超新星，未来观测将澄清这一机制的分布特征。
摘要：
银河系晕中的恒星残骸与暗物质的碰撞频繁，如果原始黑洞撞击白矮星时的所有动能都被热化，将使简并核心的温度升高至少一度，以月球质量的黑洞为例。这种估计低估了两种因素：特定热容小于3k/2每粒子，以及入射物体被引力聚焦加速。最近已对这一触发事件进行了详细的物理模型研究。目前观测数据对银河系中Ia型超新星的径向分布是否遵循银河系的星光分布，或更集中在中心区域，存在分歧，这与碰撞触发的预测相矛盾。但未来来自Rubin望远镜的数百万次超新星样本将改变这一现状。
英文摘要：
Collisions between stellar remnants and dark matter in the Galactic bulge are frequent, and the kinetic energy of a primordial black hole incident on a white dwarf, if it is all thermalized, will raise the degenerate core's temperature, by at least a degree in the case of a lunar mass black hole. This is an underestimate in two ways: the specific heat is less than 3k/2 per particle, and the incoming object is accelerated by gravitational focusing. Detailed physical models have recently been made of this triggering event. Present observational data are equivocal as to whether the radial distribution of type Ia supernovae in galaxies follows the starlight in the galaxies, or is more concentrated towards the center, as collisional triggering would suggest. But future samples of millions of supernovae from the Rubin telescope will change that.
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