引力希格斯机制和由此产生的吸烟枪效应
The gravitational Higgs mechanism and resulting smoking gun effects
摘要：
最近，一个玩具模型被引入，以证明引力的替代理论中的屏蔽机制可以隐藏额外的影响。在这个模型中，标量场在$U(1)$对称性下带电。在足够紧凑的物体中，标量场自发地增长，即物体标量化，自发地破坏$U(1)$对称性。就像在$U(1)$希格斯机制中一样，这导致了规范场质量的出现。本文的目的是提供一个例子的物理后果，如果我们认为这个玩具模型作为一个原型的弱等效原则（WEP）的违反。我们的中子星模型与偶极磁场比较的磁场行为的恒星在爱因斯坦-麦克斯韦理论的一个方面，在标量张量理论与所谓的，引力希格斯机制的另一方面。
英文摘要：
Recently, a toy model was introduced to demonstrate that screening mechanisms in alternative theories of gravitation can hide additional effects. In this model a scalar field is charged under a $U(1)$ symmetry. In sufficiently compact objects the scalar field spontaneously grows, i.e. the object scalarizes, spontaneously breaking the $U(1)$ symmetry. Exactly as in the $U(1)$ Higgs mechanism this leads to the emergence of a mass for the gauge field. The aim of this paper is to provide an example of the physical consequences if we consider this toy model as a prototype of Weak Equivalence Principle (WEP) violations. We model neutron stars with a dipolar magnetic field to compare the magnetic field behaviour of stars in Einstein-Maxwell theory on the one hand and in scalar-tensor theory with the, so-called, gravitational Higgs mechanism on the other hand.
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