79 citations
- Massey UniversityNZ11 papers
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- Chongqing University of Posts and TelecommunicationsCN4 papers
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- Hefei National Center for Physical Sciences at NanoscaleCN1 paper
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12 papers
Calculation of single-beam two-photon absorption rate of lanthanides: effective operator method and perturbative expansion
Chang-Kui Duan, Gang Ruan, Michael F. Reid
Perturbative contributions to single-beam two-photon transition rates may be divided into two types. The first, involving low-energy intermediate states, require a high-order pertu…
The unusual temperature dependence of the Eu fluorescence lifetime in CaF crystals
C. K. Duan, A. Mejerink, R. J. Reeves +1
Fluorescence lifetimes of Eu doped in CaF are measured at various temperatures between 4K and 450K. The lifetime increases with between 100K and 300K, in contrast to the…
General calculation of transition rates for rare-earth ions using many-body perturbation theory
Chang-Kui Duan, Michael F. Reid
The transition rates for rare-earth ions in crystals can be calculated with an effective transition operator acting between model and states calculated…
Local Field effects on the radiative lifetime of emitters in surrounding media: virtual- or real-cavity model?
Chang-Kui Duan, Michael F. Reid, Zhongqing Wang
For emitters embedded in media of various refractive indices, different macroscopic or microscopic theoretical models predict different dependencies of the spontaneous emission lif…
Tunable entanglement generation for mobile-electron spin qubits
A. I. Signal, U. Zuelicke
Recent studies have shown that linear electron optics can be used to generate entangled two-particle states from nonentangled ones if additional measurements of charge or parity ar…
Andreev reflection and cyclotron motion at superconductor -- normal-metal interfaces
F. Giazotto, M. Governale, U. Zuelicke +1
We investigate Andreev reflection at the interface between a superconductor and a two--dimensional electron system (2DES) in an external magnetic field such that cyclotron motion i…