Elementary excitations in spin ice take the form of magnetic monopoles

• Autores: Mark Wilson
• Localización: Physics today, ISSN 0031-9228, Vol. 61, Nº. 3, 2008, pág. 16
• Idioma: inglés
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• Resumen

  • A magnet has two poles-north and south. But in a frustrated magnetic state known as spin ice, the familiar magnetic dipole can split into two magnetic charges that independently diffuse around the crystal.