The magnetic coupling of planets and small bodies with a pulsar's wind

Details The magnetic coupling of planets and small bodies with a pulsar's wind The magnetic coupling of planets and small bodies with a pulsar's wind

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf...23m&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.23

Physics

Scientific paper

We investigate the electromagnetic interaction of a relativistic stellar wind with a planet or a smaller body in orbit around a pulsar. This may be relevant to objects such as PSR B1257+12 and PSR B1620-26 that are expected to hold a planetary system, or to pulsars with suspected asteroids or comets. Most models of pulsar winds predict that, albeit highly relativistic, they are slower than Alfvén waves. In that case, a pair of stationary Alfvén waves, called Alfvén wings (AW), is expected to form on the sides of the planet. The wings expands far into the pulsar's wind. We have extended the theory of Alfvén wings, initially developed in the context of the Io-Jupiter interaction, to relativistic winds, and we have studied the possible consequences that could be relevant for observations.

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