Observing Monopoles in a Magnetic Analog of Ice

  title={Observing Monopoles in a Magnetic Analog of Ice},
  author={M. Gingras},
  pages={375 - 376}
  • M. Gingras
  • Published 2009
  • Physics, Medicine
  • Science
  • Experimental evidence has been found that magnetic poles within metal oxide magnets can be separated. A bar magnet has a north and south pole, and cutting it in half just creates two new poles, not two separated monopoles. However, a recent theoretical proposal suggested that defects in the spin alignment of certain oxide magnets can create separated effective magnetic monopoles (1). These materials are called spin ices because the lowest-energy orientation of the magnetic spins closely mimics… CONTINUE READING
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