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Numerical Simulations of Oscillating Soliton Stars: Excited States in Spherical Symmetry and Ground State Evolutions in 3D
Jayashree Balakrishna, Ruxandra Bondarescu, Gregory Daues +1
Excited state soliton stars are studied numerically for the first time. The stability of spherically symmetric S-branch excited state oscillatons under radial perturbations is inve…
Finite Mirror Effects in Advanced Interferometric Gravitational Wave Detectors
Andrew P. Lundgren, Ruxandra Bondarescu, David Tsang +1
Thermal noise is expected to be the dominant source of noise in the most sensitive frequency band of second generation ground based gravitational wave detectors. Reshaping the beam…
Spin Evolution of Accreting Neutron Stars: Nonlinear Development of the R-mode Instability
Ruxandra Bondarescu, Saul A. Teukolsky, Ira Wasserman
The nonlinear saturation of the r-mode instability and its effects on the spin evolution of Low Mass X-ray Binaries (LMXBs) are modeled using the triplet of modes at the lowest par…