Title TextBody Level OneBody Level TwoBody Level ThreeBody Level FourBody Level FiveDeirdre ShoemakerInstitute for Gravitational Physics & GeometryCenter for Gravitational Wave PhysicsDepartment of Physics Penn StateComplexity in Gravitational Waveforms from Black Hole Mergers Y. Zlochower et al gr-qc/0505055D. Fiske et al gr-qc/0503100Equal Mass Head-On Waveform Catalogue of BH/BH Collisions Put in examples of BlackHole wave formsPut in ones from matterU. Sperhake, B. Kelly, K. Smith, P. LagunaEqual Mass Head-On Waveform Catalogue of BH/BH Collisions Put in examples of BlackHole wave formsPut in ones from matterF. Pretorius, Phys.Rev.Lett. 95 (2005) 121101 Campanelli, Kelly & Lousto gr-qc/0510122Plunges and OrbitsWaveform Catalogue of BH/BH Collisions Put in examples of BlackHole wave formsPut in ones from matterK. ThorneWhat Happened to This Picture?M. Ruffert et alM. Duez et alJ. Faber et alfrom AstroGravsNS/NS MergersMaybe only if Matter is PresentMatter has more scalesMore structureBH simulations limited parameter spaceCan we expect more structure by sampling broader parameter space?Zwerger & Muller (1997)Stellar-core CollapseQuestionsWhat are the range of characteristic scales in the BBH problem?Mass, Spin, ISCO, QNM ~ few MQuestionCan we explore the degree of complexity of waveforms with current numerical codes?Yes, but codes still have some limitations This Talk...Head-On Equal Mass CollisionsHead-On UnEqual Mass CollisionsGrazing CollisionsDistorted Black HolesScalar Wave Propagation on Fixed Black-Hole BackgroundBlack Holes + Neutron Star SystemsMaya CodeBSSN formulation (T. Baumgarte, S. Shapiro PRD59 (1999) 024007)1+ log ``live’’ lapse condition (M. Alcubierre et. al PRD67 (2003) 084023)Gamma-driver shift condition Moving excision infrastructure (DS et. al CQG 20 (2003) 3729-3744)Zerilli and Newman-Penrose wave extraction (U. Sperhake et al PRD71 (2005) 124042)Superposed ingoing Eddington-Finkelstein initial data (R. Matzner, M. Huq, D. Shoemaker PRD59 (1999) 024015) Cactus computational toolkit (http://www.cactuscode.org/)Carpet (E. Schnetter, S. Hawley, I. Hawke CQG 21 (2004) 1465-1488)Apparent Horizon Tracker (J. Thornburg CQG 21(2), (2004) 743--766 )U. Sperhake, B. Kelly, P. Laguna, K. Smith, E. Schnetter PRD71 (2005) 124042 Head-On Collision of Black HolesU. Sperhake, B. Kelly, P. Laguna, K. Smith, E. Schnetter PRD71 (2005) 124042 ZerilliNewman-PenroseHead-On Collision of Black HolesHerrmann, Sperhake, P. Laguna, D. S, Head-On Collisions of UnEqual Mass Black HolesBlack Hole Kick?Herrmann, Sperhake, Laguna, D. S, Head-On Collisions of Unequal Masspuncturesmass ratio = 0.66initial proper separation = 7.45Waveforms from Unequal Head-On CollisionsP. Anninos and S. Brandt PRL 81 (1998) 508-511Head--on Collision of Two Unequal Mass Black HolesAuthors: Peter Anninos, Steven BrandtComments: 5 pages, 3 figuresJournal-ref: Phys.Rev.Lett. 81 (1998) 508-511Allen gr-qc/9806036, Papadopoulos PRD65 (2002) 084016,Zlochower et al PRD68 (2003) 084014Distorted Black HolesTestbed of ``waveform” complexity. Excitation of modes and coupling Studies of non-linear mode mixing. Study growth of black hole through accretion of gravitational radiation.Allen, Camarda, Seidel gr-qc/9806036Waveforms from Distorted Black HolesPapadopoulos, PRD65 (2002) 084016Waveforms from Distorted Black HolesT. Bode, I. Hinder, DSPfeiffer et al PRD71 (2005) 024020Apparent Horizon Mass of Distorted Black HoleInitial data set using iEF + Teukolsky Wave <