Tests of Strong-field Gravity and Gravitational Radiation Damping in Binary-pulsar Systems

نویسنده

  • G. ESPOSITO-FARESE
چکیده

This talk reviews the constraints imposed by binary-pulsar data on gravity theories, and notably on “scalar-tensor” theories which are the most natural alternatives to general relativity. Because neutron stars have a strong gravitational binding energy, binarypulsar tests are qualitatively different from solar-system experiments: They have the capability of probing models which are indistinguishable from general relativity in weak gravitational field conditions. Besides the two most precise binary-pulsar experiments, in the systems B1913+16 and B1534+12, we also present the results of the various “null” tests of general relativity provided by several neutron star–white dwarf binaries, notably those of gravitational radiation damping.

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تاریخ انتشار 2000