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Gravitational Waves from Inspiralling Compact Binaries in ... - LUTH

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<strong>Compact</strong> star clusters<br />

Yet another scenario that can create <strong>in</strong>spirall<strong>in</strong>g<br />

eccentric b<strong>in</strong>aries with short periods <strong>in</strong>volves<br />

compact star clusters. It was noted that the<br />

<strong>in</strong>terplay between GW-<strong>in</strong>duced dissipation and<br />

stellar scatter<strong>in</strong>g <strong>in</strong> the presence of an<br />

<strong>in</strong>termediate-mass black hole can create<br />

short-period highly eccentric b<strong>in</strong>aries<br />

C. Hopman and T. Alexander (2005)<br />

A very recent attempt to model realistically<br />

compact clusters that are likely to be present <strong>in</strong><br />

galactic centers <strong>in</strong>dicates that compact b<strong>in</strong>aries<br />

usually merge with eccentricities<br />

G. Kupi, P. Amaro-Seoane, and R. Spurzem (2006),<br />

BRI-IHP06-I – p.9/??

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