类太阳振子作为引力波随机背景探测器的可行性
On the feasibility of employing solar-like oscillators as detectors for the stochastic background of gravitational waves
摘要：
我们提出了一个流体动力学模型，描述激发线性恒星振荡的随机背景的引力波（SBGW）的天体物理学和宇宙学的起源。我们发现，这种激励机制是能够产生太阳能g-模式振幅接近或相当于预期的值从激励湍流对流，这被认为是类太阳振荡的主要驱动力。提出了一种方法，直接上界SBGW的频率范围内，其中SBGW预计包含丰富的天体物理信息。采用太阳g-模式振幅的估计，所提出的方法被证明有可能与其他频率范围内的引力波实验达到的灵敏度竞争。
英文摘要：
We present a hydrodynamic model that describes excitation of linear stellar oscillations by a stochastic background of gravitational waves (SBGW) of astrophysical and cosmological origin. We find that this excitation mechanism is capable of generating solar g-mode amplitudes close to or comparable with values expected from excitation by turbulent convection, which is considered to be the main driving force for solar-like oscillations. A method is presented that places direct upper bounds on the SBGW in a frequency range, in which the SBGW is expected to contain rich astrophysical information. Employing estimates for solar g-mode amplitudes, the proposed method is demonstrated to have the potential to compete with sensitivities reached by gravitational wave experiments in other frequency ranges.
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