Schwinger Pair Production and Vacuum Birefringence around High Magnetized Neutron Stars
Chul Min Kim, Sang Pyo Kim
TL;DR
This paper explores quantum electrodynamics effects like Schwinger pair production and vacuum birefringence around highly magnetized neutron stars, emphasizing potential observational signatures via future X-ray polarimetry.
Contribution
It analyzes strong field QED phenomena in neutron stars with supercritical magnetic fields, linking theoretical predictions to upcoming observational capabilities.
Findings
Predicted measurable vacuum birefringence effects
Estimated Schwinger pair production rates in neutron star environments
Highlighted the importance of X-ray polarimetry for future observations
Abstract
Highly magnetized neutron stars have magnetic fields of order of the critical field and can lead to measurable QED effects. We consider the Goldreich-Julian pulsar model with supercritical magnetic fields, induced subcritical electric fields, and a period of milliseconds. We then study the strong field physics, such as Schwinger pair production and the vacuum birefringence including the wrench effect, whose X-ray polarimetry will be observed in future space missions.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · High-pressure geophysics and materials · Geophysics and Gravity Measurements