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Possible neutron star compositions Spin evolution of neutron stars.

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Presentation on theme: "Possible neutron star compositions Spin evolution of neutron stars."— Presentation transcript:

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5 Possible neutron star compositions

6 Spin evolution of neutron stars

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10 G  =888  T  T  = (  +P) u  u + P g  Einstein's field equation: Energy-momentum tensor:

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14 P(  ) Energy-momentum tensor Local inertial frame

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17 Self-consistent solution of Einstein's equations 1 Choose a starting value for the Kepler frequency 2 Choose a starting value for the frame dragging frequency 3 Specify metric functions 4 Compute Christoffel symbols 5 Compute Ricci tensor and Ricci scalar 6 Einstein tensor 7 Compute new value for Kepler frequency -> back to 4)  Choose a model for the equation of state of superdense matter

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19 Rotational periods of seven pulsars

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