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18 papers · 2 filters
Accurate calibration of test mass displacement in the LIGO interferometers
E. Goetz, R. L. Savage, J. Garofoli +10
We describe three fundamentally different methods we have applied to calibrate the test mass displacement actuators to search for systematic errors in the calibration of the LIGO g…
Is the spacetime metric Euclidean rather than Lorentzian?
Rafael D. Sorkin
My answer to the question in the title is "No". In support of this point of view, we analyze some examples of saddle-point methods, especially as applied to quantum "tunneling" in…
Light, Links and Causal Sets
Rafael D. Sorkin
After sketching a context in which to seek observable signals of spatio-temporal discreteness, I briefly review the status of the causal set program for quantum gravity, concluding…
The Effect of Eccentricity on Searches for Gravitational-Waves from Coalescing Compact Binaries in Ground-based Detectors
Duncan A. Brown, Peter J. Zimmerman
Inspiralling compact binaries are expected to circularize before their gravitational-wave signals reach the sensitive frequency band of ground-based detectors. Current searches for…
Angular instability due to radiation pressure in the LIGO gravitational wave detector
Eiichi Hirose, Keita Kawabe, Daniel Sigg +2
We observed the effect of radiation pressure on the angular sensing and control system of the Laser Interferometer Gravitational-Wave Observatory (LIGO) interferometer's core optic…
Status of NINJA: the Numerical INJection Analysis project
Benjamin Aylott, John G. Baker, William D. Boggs +74
The 2008 NRDA conference introduced the Numerical INJection Analysis project (NINJA), a new collaborative effort between the numerical relativity community and the data analysis co…