2013/04/08 by Sayan Chakrabarti, Chakrabarti, Sayan, Térence Delsate +3 · 11 citations
Earth and Planetary Sciences · Engineering · Physics and Astronomy · #Geophysics and Gravity Measurements #Geophysics and Sensor Technology #Pulsars and Gravitational Waves Research #astro-ph.SR #gr-qc #hep-th
paper · pdf · doi:10.48550/arxiv.1304.2228
RevTeX, 18 pages, 1 figure, v2: added references, v3: corrected integration constants in Eq. (12), neutron star case essentially unaffected
arxiv created 2013/05/21 · arxiv updated 2013/05/22
We elaborate on a powerful tidal interaction formalism where the multipole dynamics is kept generic and encoded in a linear response function. This response function is the gravitational counterpart of the atomic spectrum and can become of similar importance with the rise of gravitational wave astronomy. We find that the internal dynamics of nonrotating neutron stars admit a harmonic oscillator formulation yielding a simple interpretation of tides. A preliminary investigation of the black holes case is given. Our results fill the gap between Love numbers and dynamic tides.