期刊
PHYSICAL REVIEW LETTERS
卷 116, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.116.167202
关键词
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资金
- NSERC
- Canada Research Chair program
- John Templeton Foundation
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Research and Innovation
We study a minimal model for the dynamics of spinons in quantum spin ice. The model captures the essential strong coupling between the spinon and the disordered background spins. We demonstrate that the spinon motion can be mapped to a random walk with an entropy-induced memory in imaginary time. Our numerical simulation of the spinon walk indicates that the spinon propagates as a massive quasiparticle at low energy despite its strong coupling to the spin background at the microscopic energy scale. We discuss the experimental implications of our findings.
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