Friedberg-Lee-Sirlin模型中的偶极子和孤子链
Dipoles and chains of solitons in the Friedberg-Lee-Sirlin model
AI总结:
本文在Einstein-Friedberg-Lee-Sirlin模型中构造了静态轴对称多孤子,通过三维数值相对论模拟发现了稳定的偶极玻色子星,并指出实标量场质量足够小时可构造非旋转奇宇称链,但超出偶极的链不稳定。
摘要:
我们在Einstein-Friedberg-Lee-Sirlin模型中构造了静态轴对称多孤子。该理论包含一个复标量场,它通过与具有非零真空期望值的实标量场相互作用而获得质量。通过执行三维数值相对论模拟,我们在参数空间的特定区域中识别出稳定的偶极玻色子星。基于偶极结果,当实标量场的质量足够小时,也可以构造有重力和无重力的非旋转奇宇称链。然而,发现超出偶极情况的链是不稳定的。
英文摘要:
We construct static axisymmetric multisolitons in the Einstein-Friedberg-Lee-Sirlin model. This theory features a complex scalar field which gains mass through its interaction with a real scalar field that has a non-zero vacuum expectation value. By performing three-dimensional numerical relativity simulations, we identify stable dipolar boson stars in specific regions of the parameter space. Based on the dipole results, non-rotating odd parity chains with and without gravity can also be constructed when the mass of the real scalar field is sufficiently small. However, chains beyond the dipole case are found to be unstable.
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