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giovedì 21 dicembre 2017

# gst: a case of stabilization by weak noise

<< An elusive state of matter - quantum spin liquid - may actually be enhanced rather than suppressed by disorder as seen in a compound that contains praseodymium, zirconium, and oxygen (Pr2Zr2O7) >>

<< Disorder is generally thought to be detrimental to creating materials with unusual magnetism or other quantum phenomena. However, a team found that weak disorder surprisingly stabilizes a rare quantum state called a quantum spin liquid >>

Stirring up a quantum spin-liquid with disorder. Dec 13, 2017.

https://m.phys.org/news/2017-12-quantum-spin-liquid-disorder.html

J.-J. Wen, S. M. Koohpayeh, et al. Disordered Route to the Coulomb Quantum Spin Liquid: Random Transverse Fields on Spin Ice in Pr2Zr2O7. Phys. Rev. Lett. 2017; 118 (107206). doi: 10.1103/PhysRevLett.118.107206. Mar 8, 2017.

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.107206

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