URu2Si2中Q0 =（1，0，0）处共振的精确研究
Precise study of the resonance at Q0=(1,0,0) in URu2Si2
摘要：
新的非弹性中子散射实验已经在URu2Si2上进行，特别关注Q0=（1，0，0）处的响应，这是化合物的隐藏顺序（HO）相的明显特征。极化非弹性中子实验，它清楚地表明，低于HO温度（T0 = 17.8 K）的集体激发（在E0 \approx 1.7 meV的磁共振），以及磁连续共存。仔细测量的共振的温度依赖性导致观察到，它的位置突然在温度变化的激活法所管辖的部分间隙开放和它的积分强度具有BCS型温度依赖性。并对近年来的理论发展进行了讨论。
英文摘要：
New inelastic neutron scattering experiments have been performed on URu2Si2 with special focus on the response at Q0=(1,0,0), which is a clear signature of the hidden order (HO) phase of the compound. With polarized inelastic neutron experiments, it is clearly shown that below the HO temperature (T0 = 17.8 K) a collective excitation (the magnetic resonance at E0 \approx 1.7 meV) as well as a magnetic continuum co-exist. Careful measurements of the temperature dependence of the resonance lead to the observation that its position shifts abruptly in temperature with an activation law governed by the partial gap opening and that its integrated intensity has a BCS-type temperature dependence. Discussion with respect to recent theoretical development is made.
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