It is well known that a material's permittivity tensor can be altered by a magnetic field (either externally induced or via ferromagnetism). The contributing factor to this alteration is the cyclotron frequency (wc), which is proportional to the field strength H.
However, I would like to understand the relationship between the cyclotron frequency and a material's hysteresis properties, if any. Will a magnetic material experience further modification to its permittivity tensor via the cyclotron frequency at fields above its saturation magnetization?
Any relevant publications would be very helpful. Thanks in advance for any assistance.
Andrew
As a follow-up to this, many publications report Faraday rotation and ellipticity which obey hysteresis loops. The analytical equations for both of these quantities are directly proportional to the cyclotron frequency. This seems to suggest that the cyclotron frequency should obey a hysteresis loop.
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