Seminars
PHY 393S: Seminar in Relativity, SPRING 2008Unique Number: 61190
Tuesday, Thursday 3:30-4:45 pm, RLM 9.202 (usual) or RLM 6.116
- Thursday, March 27, 3:30 PM, RLM 6.116:
Jon Allen
University of Texas at Austin
"Gauge Fixing for Numerical Relativity (Part 1)"
- Tuesday, March 25, 2 PM, RLM 7.112:
Andrea Nerozzi
University of Jena, Germany
"Optimizing Wave Extraction in Numerical Relativity"
Abstract: With the recent breakthroughs in numerical relativity, the problem of extracting waveforms from a numerically evolved space-time has become of primary importance. The Newman-Penrose formalism and in particular the Weyl scalar Psi4 is used for this purpose, however in order for this to be done correctly, the null tetrad used to calculate it must be chosen carefully. We present the latest results concerning the study of the optimal tetrad for wave extraction.
- Tuesday, March 18, 2 PM, RLM 5.112:
Ulrich Sperhake
University of Jena, Germany
"Numerical simulations of high energy collisions of black holes" [ppt of talk]
Abstract: We present numerical simulations of collisions of black holes with varying boost parameter. This study covers the range from vanishing initial boost to the regime where the total mass is dominated by the kinetic energy. The resulting horizon properties and gravitational wave emission are studied and compared with analytic predictions.
- Thursday, March 20, 3:30 PM, RLM 6.116:
Sarp Akcay
University of Texas at Austin
"Area Invariance of Horizons under Spin-Boost Transformations" [ppt of talk]
Past Seminars:
- December 6, 2007:
Erin Bonning
University of Texas at Austin
"Recoiling Black Holes in Quasars"
- May 1, 2007:
Stephen Low
Technology Director, HP
"Reciprocal Relativity of noninertial frames: quantum mechanics" [pdf of talk] [pdf of paper]
- Relativity Seminar Archive