1 General Relativistic Modification of a Pulsar Electromagnetic Field

We consider an exterior electromagnetic field surrounding a rotating star endowed with a dipole magnetic field in the context of general relativity. The analytic solution for a stationary configuration is obtained, and the general relativistic modifications and the implications for pulsar radiation are investigated in detail. We find that the general relativistic corrections of both the electric field strength and the curvature radii of magnetic field lines tend to enhance the curvature radiation photon energy. In recent years, new aspects of rotating neutron stars have been revealed in about 1000 pulsars. Eleven X-ray pulsars 1) and eight γ-ray pulsars 2) have been detected in the past several years. Among these new objects, some exhibit quite different behavior in their pulse periods. 3) The measurement of the period and its

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