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Speaker |
Kim, Jin Young |
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Coauthors |
Lee, Taekoon |
| Talk Title |
Non-gravitational deflection of light by a neutron star |
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Abstract |
We address the bending of light when the quantum electrodynamic vacuum is modified by non-charge-like sources. The magnetic field of a neutron star can make a gradient for the index of refraction from the nonlinear electrodynamic effect. We calculate the bending angle when a light ray passes around a magnetized neutron star. We also calculate the bending of light by a black body radiation assuming that a neutron star is an isothermal black body. We estimate the order of magnitude for both bending angles and compare them with the bending angle by gravitation. |
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