Probing amplified Josephson plasmons in YBa2Cu3O6+x by multidimensional spectroscopy [0.03%]
利用多维光谱探测YBa2Cu3O6+x中放大的约瑟夫森等离激元
N Taherian,M Först,A Liu et al.
N Taherian et al.
The nonlinear driving of collective modes in quantum materials can lead to a number of striking non-equilibrium functional responses, which merit a comprehensive exploration of underlying dynamics. However, the coherent coupling between non...
Jan P Cuperus,Arnold H Kole,Andrés R Botello-Méndez et al.
Jan P Cuperus et al.
Magnet/superconductor hybrid systems have been put forward as a platform for realizing topological superconductivity. We investigated the heterostructure of ferromagnetic monolayer CrCl3 and superconducting NbSe2. Using low-temperature scan...
Theory of terahertz pump optical probe spectroscopy of phonon polaritons in noncentrosymmetric systems [0.03%]
非中心对称系统中太赫兹泵浦光学探测光子声子极化激元的理论研究
Niccolò Sellati,Jacopo Fiore,Stefano Paolo Villani et al.
Niccolò Sellati et al.
Hybrid lattice-light modes, known as phonon polaritons, represent the backbone of advanced protocols based on THz pumping of infrared modes. Here we provide a theoretical framework able to capture the different roles played by phonon polari...
Energetics of the coupled electronic-structural transition in the rare-earth nickelates [0.03%]
稀土镍酸盐中的电子结构耦合跃迁的热力学分析
Alexander Hampel,Peitao Liu,Cesare Franchini et al.
Alexander Hampel et al.
Rare-earth nickelates exhibit a metal-insulator transition accompanied by a structural distortion that breaks the symmetry between formerly equivalent Ni sites. The quantitative theoretical description of this coupled electronic-structural ...
Connection between f-electron correlations and magnetic excitations in UTe2 [0.03%]
UTe2中f电子关联与磁激发之间的关系
Thomas Halloran,Peter Czajka,Gicela Saucedo Salas et al.
Thomas Halloran et al.
The detailed anisotropic dispersion of the low-temperature, low-energy magnetic excitations of the candidate spin-triplet superconductor UTe2 is revealed using inelastic neutron scattering. The magnetic excitations emerge from the Brillouin...
Bypassing the lattice BCS-BEC crossover in strongly correlated superconductors through multiorbital physics [0.03%]
强关联超导体中通过多轨道物理规避晶格BCS-BEC交叉点
Niklas Witt,Yusuke Nomura,Sergey Brener et al.
Niklas Witt et al.
Superconductivity emerges from the spatial coherence of a macroscopic condensate of Cooper pairs. Increasingly strong binding and localization of electrons into these pairs compromises the condensate's phase stiffness, thereby limiting crit...
Hyeok Yoon,Yun Suk Eo,Jihun Park et al.
Hyeok Yoon et al.
Uranium ditelluride (UTe2) is the strongest contender to date for a p-wave superconductor in bulk form. Here we perform a spectroscopic study of the ambient pressure superconducting phase of UTe2, measuring conductance through point-contact...
Zoltán Kovács-Krausz,Dániel Nagy,Albin Márffy et al.
Zoltán Kovács-Krausz et al.
The layered van der Waals material ZrTe5 is known as a candidate topological insulator (TI), however its topological phase and the relation with other properties such as an apparent Dirac semimetallic state is still a subject of debate. We ...
Robust three-dimensional type-II Dirac semimetal state in SrAgBi [0.03%]
二维型II型三维狄拉克半导体SrAgBi中的稳健三维狄拉克半金属态
Zhixiang Hu,Junze Deng,Hang Li et al.
Zhixiang Hu et al.
Topological semimetals such as Dirac, Weyl or nodal line semimetals are widely studied for their peculiar properties including high Fermi velocities, small effective masses and high magnetoresistance. When the Dirac cone is tilted, exotic p...
Probing magnetic orbitals and Berry curvature with circular dichroism in resonant inelastic X-ray scattering [0.03%]
利用圆二色性研究共振非弹性X射线散射中的磁轨道和贝里曲率
Michael Schüler,Thorsten Schmitt,Philipp Werner
Michael Schüler
Resonant inelastic X-ray scattering (RIXS) can probe localized excitations at selected atoms in materials, including particle-hole transitions between the valence and conduction bands. These transitions are governed by fundamental propertie...