wps去重函数unique wps去重( 九 )_生活百科

Universal Scaling Theory of the Boundary Geometric Tensor in Disordered Metals
M. Werner et al.
Phys. Rev. Lett. 122, 106601 (2019)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.106601
反铁磁MnTe薄膜中的平面霍尔效应
Yin等人报导了α-MnTe中自旋- 轨道耦合（SOC）通过产生各向异性的价带劈裂影响输运行为，导致Γ附近有四个自旋极化口袋。他们通过群论分析，紧束缚模型和从头计算构建了最小k?p模型来重建这种劈裂。该模型被用于描述零场平面霍尔效应（PHE）的旋转对称性。PHE源自SOC导致的能带各向异性，并且对于具有单个反铁磁畴的理想薄膜PHE定量估计为25％-31％。（方子明）
Planar Hall Effect in Antiferromagnetic MnTe Thin Films
Gen Yin et al.
Phys. Rev. Lett. 122, 106602 (2019)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.106602
遍布玻色子超流和莫特绝缘体相的
多体多重分形
We demonstrate many-body multifractality of the Bose-Hubbard Hamiltonian’s ground state in Fock space, for arbitrary values of the interparticle interaction. Generalized fractal dimensions unambiguously signal, even for small system sizes, the emergence of a Mott insulator that cannot, however, be naively identified with a localized phase in Fock space. We show that the scaling of the derivative of any generalized fractal dimension with respect to the interaction strength encodes the critical point of the superfluid to the Mott insulator transition, and provides an efficient way to accurately estimate its position. We further establish that the transition can be quantitatively characterized by one single wave function amplitude from the exponentially large Fock space.
Many-Body Multifractality throughout Bosonic Superfluid and Mott Insulator Phases
Jakob Lindingeret al.
Phys. Rev. Lett. 122, 106603 (2019)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.106603
金属表面单分子
非谐泛音振动的检测与表征
使用扫描隧道显微镜（STM）的非弹性电子隧道谱仪（IETS）是用于表征单分子水平的振动和自旋态的强有力技术。虽然IETS缺乏严格的选择规则，历史上人们一直认为振动泛音很少见到甚至不存在。在这里，Czap等人提供确凿的实验证据，表明可以通过同位素取代利用STM-IETS检测到吸附在Ag（110）上一氧化碳分子的受阻旋转泛音激发。他们还表明泛音激发的非谐性可以在吸附位点间进行表征和比较，并且找到了吸附在<1-10>阶梯边缘的CO的振动非谐性的各向异性证据。（方子明）
Detection and Characterization of Anharmonic Overtone Vibrations of Single Molecules on a Metal Surface
【wps去重函数unique wps去重】Gregory Czap et al.
Phys. Rev. Lett. 122, 106801 (2019)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.106801
纳米磁体阵列的加工：
在Ir（111）上外延生长的石墨烯上沉积的
质量选择的FePt纳米颗粒的组装与磁性质
The moiré pattern created by the epitaxy of a graphene sheet on an iridium substrate can be used as a template for the growth of 2D atomic or cluster arrays. We observed for the first time a coherent organization of hard magnetic preformed FePt nanoparticles on the 2D lattice of graphene on Ir(111). Nanoparticles of 2 nm diameter have been mass selected in a gas phase and deposited with low energy on the hexagonal moiré pattern. Their morphology and organization have been investigated using grazing incidence small angle x-ray scattering, while their magnetic properties have been studied by x-ray magnetic circular dichroism, both pointing to a FePt cluster-graphene surface specific interaction. The spatial coherence of the nanoparticles is preserved upon annealing up to 700 °C where the hard magnetic phase of FePt is obtained.
Elaboration of Nanomagnet Arrays: Organization and Magnetic Properties of Mass-Selected FePt Nanoparticles Deposited on Epitaxially Grown Graphene on Ir(111)
Pierre Capiod et al.
Phys. Rev. Lett. 122, 106802 (2019)
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.106802
铁掺杂InAs半导体中由近邻效应诱导的
超导态的电子自旋三重态配对证据
Nakamura等人给出了铁磁半导体(In,Fe)As中由近邻效应诱导的超导性具有电子自旋三重态配对形式的证据。正如在半金属材料中所发现的，作者在该体系中发现了特别长的近邻范围。作者从临界电流随磁场变化出现的持久振荡推断出，超导区域边缘具有很强的超流浓度。临界电流的最大值并不出现在零磁通时，而是出现在最大磁无序附近，这反映了自旋三态和自旋单态配对的联系。近邻超导性中的这些自旋三态配对本质也表明了(In,Fe)As的铁磁特性。（李松）