Abstract
The space-based gravitational wave detectors at low frequencies has received great attention recently. Due to lack of considering the relative motion between spacecrafts, the accuracy of current sensitivity models is inadequate for space-based gravitational wave detectors. In this paper, an accurate sensitivity model of the space-based gravitational wave detector is established by taking into account the relative motion between two spacecrafts. The accurate sensitivity model is derived by employing a gravitational wave perturbed metric tensor. Then, to minimize the sensitivity loss due to the solar radiation, an enhancement strategy is proposed. Finally, simulation studies are presented with two drag-free spacecrafts in Earth’s orbit. Simulation results validate the effectiveness of the proposed strategy.
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This work is supported by the National Natural Science Foundation of China (51675430 and 11402044).
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Liang, J., Liu, L. & Tang, S. Sensitivity Modeling and Enhancement for Space-Based Gravitational Wave Detector with Optical Atomic Clocks under Solar Radiation Disturbance. Microgravity Sci. Technol. 33, 1 (2021). https://doi.org/10.1007/s12217-020-09852-6
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DOI: https://doi.org/10.1007/s12217-020-09852-6