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4 papers · 1 filter
Deduction of Pure Spin Current from Spin Linear and Circular Photogalvanic Effect in Semiconductor Quantum Wells
Bin Zhou, Shun-Qing Shen
We study the spin photogalvanic effect in two-dimensional electron system with structure inversion asymmetry by means of the solution of semiconductor optical Bloch equations. It i…
The linear sigma model at a finite isospin chemical potential
Hong Mao, Nicholas Petropoulos, Song Shu +1
The effect of finite isospin chemical potential to the effective masses of the mesons at finite temperature is investigated in the framework of the O(4) linear sigma model with exp…
Hermitian Tensor Product Approximation of Complex Matrices and Separability
Shao-Ming Fei, Naihuan Jing, Bao-Zhi Sun
The approximation of matrices to the sum of tensor products of Hermitian matrices is studied. A minimum decomposition of matrices on tensor space in terms of the s…
Renormalization of the electron-spin-fluctuation interaction in the t-t'-U Hubbard model
Z. B. Huang, W. Hanke, E. Arrigoni +1
We study the renormalization of the electron-spin-fluctuation (el-sp) vertex in a two-dimensional Hubbard model with nearest-neighbor (t) and next-nearest-neighbor (t') hopping by…