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- Institute of Physics, Academia SinicaTW3 papers
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- Bar-Ilan UniversityIL1 paper
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- Deutsches Elektronen-Synchrotron DESYDE1 paper
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- Queen Mary University of LondonGB1 paper
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4 papers · 1 filter
Tuning linear and nonlinear optical properties of wurtzite GaN by c-axial stress
Duanjun Cai, Guang-Yu Guo
We study the linear and nonlinear optical properties of wurtzite GaN under c-axial stress field, using density functional theory calculations. The fully structural optimization at…
Microscopic origin of light emission in Al_yGa_{1-y}N/GaN superlattice: Band profile and active site
Duanjun Cai, Junyong Kang, Guang-Yu Guo
We present first-principles calculations of AlGaN/GaN superlattice, clarifying the microscopic origin of the light emission and revealing the effect of local polarization within th…
Pion transition form factor in k_T factorization
Hsiang-nan Li, Satoshi Mishima
It has been pointed out that the recent BaBar data on the pi gamma^* -> gamma transition form factor F_{pi gamma}(Q^2) at low (high) momentum transfer squared Q^2 indicate an asymp…
Statistical analysis of the overnight and daytime return
Fengzhong Wang, Shwu-Jane Shieh, Shlomo Havlin +1
We investigate the two components of the total daily return (close-to-close), the overnight return (close-to-open) and the daytime return (open-to-close), as well as the correspond…