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Continuum of spin excitations in an ordered magnet
Jieming Sheng, Le Wang, Wenrui Jiang +9
Continuum of spin excitations observed in inelastic neutron scattering experiments are often considered as a strong evidence of quantum spin liquid formation. When quantum spin liq…
Magnetic phase transitions in the triangular-lattice spin-1 dimer compound K2Ni2(SeO3)3
Lei Yue, Ziyou Lu, Kun Yan +6
In our study, we conduct magnetization and heat capacity measurements to investigate field induced magnetic phase transitions within the newly synthesized compound K2Ni2(SeO3)3, a…
Lattice dynamics in the charge-density-wave metal at a van-Hove-singularity filling
Jia-Wei Mei, Fei Ye, Xiaobin Chen
The charge-density-wave (CDW) order with macroscopically occupied electrons distorts the underlying lattice and usually causes the softening of the associated phonon mode. However,…
Type-II Dirac Nodal Lines in double-kagome-layered CsVSb
Yongqing Cai, Jianfeng Wang, Yuan Wang +21
Lorentz-violating type-II Dirac nodal line semimetals (DNLSs), hosting curves of band degeneracy formed by two dispersion branches with the same sign of slope, represent a novel st…
Dirac Nodal Lines and Nodal Loops in a Topological Kagome Superconductor CsVSb
Zhanyang Hao, Yongqing Cai, Yixuan Liu +21
The intertwining of charge order, superconductivity and band topology has promoted the AVSb (A=K, Rb, Cs) family of materials to the center of attention in condensed matter…
Emergence of Quantum Confinement in Topological Kagome Superconductor CsVSb family
Yongqing Cai, Yuan Wang, Zhanyang Hao +19
Quantum confinement is a restriction on the motion of electrons in a material to specific region, resulting in discrete energy levels rather than continuous energy bands. In certai…