393 citations · 3k across the 120 of their papers we have counts for
8 papers · 1 filter
Pulse control of sudden transition for two qubits in XY spin baths and quantum phase transition
Da-Wei Luo, Hai-Qing Lin, Jing-Bo Xu +1
We study the dynamics of two initially correlated qubits coupled to their own separate spin baths modeled by a XY spin chain and find the explicit expression of the quantum discord…
Femtosecond Laser-induced Crystallization of Amorphous Sb2Te3 film and Coherent Phonon Spectroscopy Characterization and Optical Injection of Electron Spins
Simian Li, Huan Huang, Weiling Zhu +7
A femtosecond laser-irradiated crystallizing technique is tried to convert amorphous Sb2Te3 film into crystalline film. Sensitive coherent phonon spectroscopy (CPS) is used to moni…
Two-orbital quantum spin model of magnetism in the iron pnictides
C. Liu, D. -X. Yao, A. W. Sandvik
We study a two-orbital spin model to describe (pi,0) stripe antiferromagnetism in the iron pnictides. The "double-spin" model has an on-site Hunds's coupling and inter-site interac…
Study of the magnetic state of KFeSe using the five-orbital Hubbard model in the Hartree-Fock approximation
Qinlong Luo, Andrew Nicholson, José Riera +3
Motivated by the recent discovery of Fe-based superconductors close to an antiferromagnetic insulator in the experimental phase diagram, here the five-orbital Hubbard model (withou…
Spin wave theory study of neutron intensity, magnetic field, and anisotropy of Type IIA FCC antiferromagnet
Trinanjan Datta, Dao-Xin Yao
We study the spin dynamics in a 3D quantum antiferromagnet on a face-centered cubic (FCC) lattice. The effects of magnetic field, single-ion anisotropy, and biquadratic interaction…
Spin Waves and magnetic exchange interactions in insulating RbFeSe
Miaoyin Wang, Chen Fang, Dao-Xin Yao +10
The discovery of alkaline iron selenide FeSe ( K, Rb, Cs) superconductors has generated considerable excitement in the condensed matter physics community becau…