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5. Ultrafast quasiparticle dynamics in spin-density-wave LaOFeAs single crystal

Ultrafast quasiparticle dynamics in spin-density-wave LaOFeAs single crystal

来源 :中国科学：物理学、力学、天文学英文版 | 被引量 : 0次 | 上传用户：W200582166

【摘 要】

：

Ultrafast quasiparticle dynamics of single crystalline LaOFeAs were investigated by pump-probe measurement.The compound experiences structural and spin-density-

【作 者】

：

CHEN RongYan DONG Tao WANG Hai 

【机 构】

：

BeijingNationalLaboratoryforCondensedMatterPhysics

【出 处】

：

中国科学：物理学、力学、天文学英文版

【发表日期】

：

2013年12期

【关键词】

：

自旋密度波 粒子动力学 单晶 弛豫时间 结构转变 准粒子 模型分析 TS2 ultrafast  LaOFeAs  spin-density-wave （SDW 

【基金项目】

：

supported by the National Science Foundation of China(Grant No.2011CB921701),the National Basic Research Program of China(Grant No.2012CB821403)

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Ultrafast quasiparticle dynamics of single crystalline LaOFeAs were investigated by pump-probe measurement.The compound experiences structural and spin-density-wave(SDW)phase transitions at 150 K(TS1)and 130 K(TS2),respectively.The relaxation time of quas

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