Nonequilibrium quasistationary spin disordered state in ?-RuCl3

被引：8
|
作者：
Versteeg, R. B. [1 ,2 ,3 ]
Chiocchetta, A. [4 ]
Sekiguchi, F. [1 ]
Sahasrabudhe, A. [1 ]
Wagner, J. [1 ]
Aldea, A. I. R. [1 ]
Budzinauskas, K. [1 ]
Wang, Zhe [1 ,5 ]
Tsurkan, V. [6 ,7 ]
Loidl, A. [6 ]
Khomskii, D. I. [1 ]
Diehl, S. [4 ]
van Loosdrecht, P. H. M. [1 ]
机构：
[1] Univ Cologne, Fac Math & Nat Sci, Inst Phys 2, Zulpicher Str 77, D-50937 Cologne, Germany
[2] Ecole Polytech Fed Lausanne, Lab Spect Ultrarapide, CH-1015 Lausanne, Switzerland
[3] Ecole Polytech Fed Lausanne, Lausanne Ctr Ultrafast Sci LACUS, ISIC FSB, CH-1015 Lausanne, Switzerland
[4] Univ Cologne, Inst Theoret Phys, D-50937 Cologne, Germany
[5] TU Dortmund Univ, Dept Phys, Otto Hahn Str 4, D-44227 Dortmund, Germany
[6] Univ Augsburg, Ctr Elect Correlat & Magnetism, Expt Phys 5, D-86159 Augsburg, Germany
[7] Inst Appl Phys, MD-2028 Kishinev, Moldova
来源：
PHYSICAL REVIEW B | 2022年 / 105卷 / 22期
基金：
欧洲研究理事会;
关键词：
QUANTUM; FERROELECTRICITY;
D O I：
10.1103/PhysRevB.105.224428
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We photoexcite high-energy holon-doublon pairs as a way to alter the magnetic free energy landscape and resulting phase diagram of the frustrated honeycomb magnet ??-RuCl3. The pair recombination through multimagnon emission is tracked through the time evolution of the magnetooptical response originating from ??-RuCl3???s competing zigzag spin-ordered ground state. A small holon-doublon density suffices to reach a spin-disordered state. The phase transition is described within a dynamical Ginzburg-Landau framework, corroborating the quasistationary nature of the transient phase. Our work suggests a new route to reach a nontrivial spin-disordered state in Kitaev-like magnets.
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收藏
页数：7
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