Project supported by the Key Research Foundation of Education Bureau of Hunan Province, China (Grant No 08A015);the Natural Science Foundation of Hunan Province, China (Grant No 06JJ2014);the National Natural Science Foundation of China (Grant No 10575034)
The stable nonlinear transport of the Bose-Einstein condensates through a double barrier potential in a waveguide is studied. By using the direct perturbation method we have obtained a perturbed solution of Cross-Pita...
supported by the National Natural Science Foundation of China (Grant No 10575034);the Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics of China (Grant No T152504);the Foundation of the Education Committee of Hunan Province of China
The performance of the so-called superconvergent quantum perturbation theory (Wenhua Hal et al2000 Phys. Rev. A 61 052105) is investigated for the case of the ground-state energy of the helium-like ions. The scaling...
supported by the National Natural Science Foundation of China (Grant No 10575034);the Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics of China (Grant No T152504)
Applying the improved Rayleigh SchrSdinger perturbation theory based on an integral equation to helium-like ions in ground states and treating electron correlations as perturbations, we obtain the second-order correct...
Project supported by the National Natural Science Foundation of China (Grant No 10575034), and the Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics of China (Grant No T152504).
A single particle magneto-confined in a one-dimensional (1D) quantum wire experiences a harmonic potential, and imposing a sharply focused laser beam on an appropriate site shapes a δ potential. The theoretical inv...
Project supported by the National Natural Science Foundation of China (Grant No 10575034), and the Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics of China (Grant No T152504).
For a Bose-Einstein condensate (BEC) confined in a double lattice consisting of two weak laser standing waves we find the Melnikov chaotic solution and chaotic region of parameter space by using the direct perturbat...