Abstract
AbstractThe authors have previously developed a computer code for obtaining the current distribution on the magnetic resonance imaging (MRI) antenna loaded by a male model with an arbitrary geometry and material properties by incorporating the impedance method into the method of Richmond. Using this method, RF magnetic field penetration in a biological body within an MRI antenna is discussed theoretically. It is found that the RF magnetic field produced by the current in the body does not cancel the incident RF magnetic field produced by the current on the MRI antenna, since the phase difference between these magnetic fields deviates from 180°.
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