# Gravitational waves from the r-modes of rapidly rotating neutron stars

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- Secular bar-mode evolution and gravitational waves from neutron stars. Lai, Dong // AIP Conference Proceedings;2001, Vol. 575 Issue 1, p246
The secular instability and nonlinear evolution of the m = 2 f-mode (bar-mode) driven by gravitational radiation reaction in a rapidly rotating, newly formed neutron star are discussed. There are two types of rotating bars which generate quite different gravitational waveforms: those with large...

- Gravitational radiation of slowly rotating neutron stars. Sedrakian, D.; Hayrapetyan, M.; Shahabasyan, M. // Astrophysics;Apr2006, Vol. 49 Issue 2, p194
The gravitational rotation of slowly rotating neutron stars with rough surfaces is examined. The source of the gravitational waves is assumed to be the energy transferred to the crust of the star during irregular changes in its angular rotation velocity. It is shown that individual pulsars whose...

- Relativistic r-modes and shear viscosity. Gualtieri, L.; Pons, J. A.; Miralles, J. A.; Ferrari, V. // AIP Conference Proceedings;2006, Vol. 861 Issue 1, p638
We derive the relativistic equations for stellar perturbations, including in a consistent way shear viscosity in the stress-energy tensor, and we numerically integrate our equations in the case of large viscosity. We consider the slow rotation approximation, and we neglect the coupling between...

- Advanced gravitational-wave detectors open their ears. Feder, Toni // Physics Today;Sep2015, Vol. 68 Issue 9, p20
The article discusses the second-generation detectors which include Advanced Laser Interferometer Gravitational-Wave Observatory (Advanced LIGO) and Advanced Variability of Solar Irradiance and Gravity Oscillations (Advanced VIRGO) which would attempt to detect and study gravitational waves....

- A Timing Signature of Gravitational Radiation from LMXB Neutron Stars. Wagoner, Robert V. // AIP Conference Proceedings;2004, Vol. 714 Issue 1, p224
The coupled evolution of the spin frequency, core temperature, and r-mode amplitude of an accreting neutron star is calculated. We focus on those conditions that can produce persistent gravitational radiation from the r-mode. During X-ray quiescent phases of transient LMXBs, one may be able to...

- Gravitational radiation of stellar configurations consisting of incompressible fluid. Sadoyan, A. // Astrophysics;Apr2006, Vol. 49 Issue 2, p211
This article discusses the gravitational radiation of rotating and oscillating stellar configurations with an incompressible fluid equation of state. The method used here makes it possible to determine the frequencies and amplitudes of the gravitational waves for arbitrary values of the central...

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In LISA Pathfinder and LISA the position fluctuations of drag free test masses will be determined interferometrically to picometer precision. To this end, laser light is brought to interference on an ultra stable optical bench after being reflected on the test mass, which needs to be in an...

- Searches for continuous gravitational waves with LIGO and GEO600. Landry, M. // AIP Conference Proceedings;2/27/2008, Vol. 983 Issue 1, p627
Current searches for astrophysically generated gravitational waves include the ground-based interferometers GEO600 and LIGO. The sensitive band of the detectors is at audio frequencies, from a few tens of Hz to several kHz. We report on efforts to search the data from these detectors for...

- GRAVITATIONAL WAVES â€” SEEN AND HEARD? K. H. // Astronomy;Jun2016, Vol. 44 Issue 6, p16
The article focuses on studies and detection of gravitational waves. It provides details about the detection of the signal of two colliding black holes by the Laser Interferometer Gravitational wave Observatory (LIGO) and LIGO's potential gravitational wave sources, which include collisions...