FURTHER GRAVITATIONAL WAVE MODES FROM HIGHER ORDER GRAVITY

Prospects of higher-order Laguerre Gauss modes in future gravitational wave detectors

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Exact gravitational shock wave solution of higher order theories.

We find an exact pp–gravitational wave solution of the fourth order gravity field equations. Outside the (delta–like) source this not a vacuum solution of General Relativity. It represents the contribution of the massive, m = (−β)−1/2, spin–two field associated to the Ricci squared term in the gravitational Lagrangian. The fourth order terms tend to make milder the singularity of the curvature ...

Higher Order Sliding Modes

One of the most important control problems is control under heavy uncertainty conditions. While there are a number of sophisticated methods like adaptation based on identi cation and observation, or absolute stability methods, the most obvious way to withstand the uncertainty is to keep some constraints by "brutal force". Indeed any strictly kept equality removes one "uncertainty dimension". Th...

Gravitational-wave probe of effective quantum gravity

Testing Gravity with Gravitational Wave Source Counts

We show that the gravitational wave source counts distribution can test how gravitational radiation propagates on cosmological scales. This test does not require obtaining redshifts for the sources. If the signal-to-noise ratio (SNR, ρ) from a gravitational wave source is proportional to the strain then it falls as R−1, thus we expect the source counts to follow dN/dρ ∝ ρ−4. However, if gravita...