I High-energy feedback effect and electronic reconstruction in the model high-temperature supercondu

来源 :中国物理学会2012年秋季学术会议 | 被引量 : 0次 | 上传用户:shichun
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Magnetic excitations might play an important role in the superconducting mechanism in the cuprates.Their contribution below ~60meV is manifested by a generic resonance feature observed by neutron scattering,which signifies a feedback effect of pairing on the magnetic excitations.However,the insufficient spectral weight of the resonance is unable to explain the high superconducting temperature (Tc).
其他文献
会议
We investigate the competition between the spin-orbit interaction of itinerant electrons and their Kondo coupling with local moments densely distributed on the honeycomb lattice.We find,by a slave-bos
In order to study the gap function of the newly discovered skutterudite superconductor PrPt4Ge12(Tc=7.9K),we have measured the London penetration depth λ(T) and specific heat of the single crystalline
Graphene,an atomically thin made material made only carbon atoms arranged in a hexagonal lattice(honeycomb lattice)was isolated,several reviews on the physics of graphene are already available in lite
We investigated the multiferroicity of the polycrystalline samples Gd1-xTmxMnO3 (0≤x≤0.3) (GTMO) by measuring the structural,magnetic,dielectric and polarization properties.It is found that the polari
会议
Although the mechanism of superconductivity in the cuprates remains elusive,it is generally agreed that at the heart of the problem is the physics of doped Mott insulators.A crucial step for solving t
Recently,the subject of the metallic surface states of the topological insulator (TI) has attracted great attention in condensed matter physics.Topological insulators in two or three dimensions have i
Recently,it has been indicated that graphene nanosheet can emerge as an alternative,unique two-dimensional plasmonic material that displays a wide range of extraordinary properties.It is promising to
反射差分光谱(RDS)是上世纪80 年代中期Aspnes 等人在椭圆偏振光谱仪的基础上发展而来的一种测量平面光学各项异性的一种有效手段.微区反射差分光谱(μRDS)在RDS 的基础上,通过增加一个物镜形成一套灵敏度和分辨率很高—横向分辨率可以达到衍射限,深度分辨率为纳米量级--无损,而且操作和分析都相对简单的实验方法,是研究半导体性质的一种有力工具.
The recent discovery of high-temperature superconductivity in iron-based compounds has attracted much attention.How to further increase the superconducting transition temperature(Tc) and how to unders