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Applications of Einstein's Quadrupole Formula

  • Untertitel   Radiation Reaction on non-relativistic Sources; Burke-Thorne Potential; Energy / Angular Momentum Loss of the Source; Radiation from a closed System of Point Masses; Simple periodic Motion; Two Masses connected by a Spring of Length L; ...
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   19.12.2018 @ 10:15
  • Beschreibung   ...; Quadrupole Formula from a Mass in circlular Orbit; Angular Distribution of radiated Power

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Generation of Gravitational Waves in Linear Theory, Low Velocity Expansion, Mass Quadrupole Radiation

  • Untertitel   Amplitude of GWs; Total Energy radiated; Quadrupole Moment; Lambda-tensor; Radiated Energy; Einstein's Quadrupole Formular
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   12.12.2018 @ 10:15

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Classical Field Theory for Gravitons, Generation of Graviational Waves in linearized theory

  • Untertitel   General, gauge invariant action for massless spin-2 field; Pauly-Fierz action; Graviton propagator; From gravitons to gravity; Effective field theories; Massive gravitons; Bounds from Gravitational Waves; Weak field sources with arbitrary velocities
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   05.12.2018 @ 10:15

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Gravitons

  • Untertitel   Spin-zero boson field Φ; Spin-one boson field Aμ; Tensor (spin-two) boson field hμν; Construct gauge invariant action
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   28.11.2018 @ 10:15

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Propagation in curved space-time, Field-theoretical Approach to Gravitational Waves

  • Untertitel   Energy flux; Linearized gravity as a classical field theory; Example: Electrodynamics; Energie-momentum tensor of GW
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   21.11.2018 @ 10:15

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The Energy of Gravitational Waves

  • Untertitel   What is Background and what is Fluctuation?; Systematic Expansion; Effective Theory; Course Graining / Separation of Scales / Integrating out; Energy-momentum Tensor of Gravitational Waves; Energy-momentum Conservation?; Energy Loss due to GWs
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   14.11.2018 @ 10:15

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Interaction of Gravitational Waves

  • Untertitel   Covariant Derivative / Tidal Gravitational Force; Local Inertial Frame: Reference Frame; Proper Time; Proper Detector Frame; Metric for earthbound detector; Corrections (Newtonian Force); Effect of GW on Test Masses; Polarisation Diagrams; Lines of Forces
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   07.11.2018 @ 10:15

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Geometric Approach to Gravitational Waves (continued)

  • Untertitel   Transvers-traceless Gauge; In Vacuum: Wave Equation; Single plane Wave; Projection onto the TT Gauge; Plane Wave Expansion; Interaction of GWs with Test Masses; Geodesic Equation / Deviation; Local Frame / Freely falling Frame
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   31.10.2018 @ 12:15

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Geometric Approach to Gravitational Waves

  • Untertitel   Exercise Dates; elearning Portal; Script and Lecture Notes; Notation; Expansion around flat Space; Equation of Motion for GWs; Use Gauge Freedom to choose Lorenz gauge; The transverse-traceless Gauge
  • Sprecher   Apl. Prof. Dr. Jürgen Schaffner-Bielich
  • Ort   Phys 02.114
  • Datum   24.10.2018 @ 12:15