期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.107201
关键词
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资金
- EPSRC [GR/R83712/01]
- Engineering and Physical Sciences Research Council [EP/G049394/1, GR/R83712/01] Funding Source: researchfish
- EPSRC [EP/G049394/1] Funding Source: UKRI
We study the diffusion-annihilation process which occurs when spin ice is quenched from a high temperature paramagnetic phase deep into the spin-ice regime, where the excitations-magnetic monopoles-are sparse. We find that due to the Coulomb interaction between the monopoles, a dynamical arrest occurs, in which nonuniversal lattice-scale constraints impede the complete decay of charge fluctuations. This phenomenon is outside the reach of conventional mean-field theory for a two-component Coulomb liquid. We identify the relevant time scales for the dynamical arrest and propose an experiment for detecting monopoles and their dynamics in spin ice based on this nonequilibrium phenomenon.
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