Thursday, July 29, 2010

Quantum fractals at the border of magnetism

Quantum fractals at the border of magnetism: "Quantum criticality refers to a phase transition, or tipping point, that marks an abrupt change in the physical properties of a material. The most common example of an everyday phase change would be the melting of ice, which marks the change of water from a solid to a liquid phase. The term "quantum critical matter" refers to any material that undergoes a phase transition due solely to the jittering of subatomic particles as described by Heisenberg's uncertainty principle. Heavy-fermion metals like YRS are one such material class, and considerable evidence exists that are another."

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