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Spectral Properties of Endohedrally Confined Hydrogen Atom and Hydrogen-Like Ions

Author: WangXiaoFeng
Tutor: YuGuoPing
School: Wuhan University
Course: Microelectronics and Solid State Electronics
Keywords: B-spline Buckyballs Oscillator strength Resonance enhancement
CLC: O562.3
Type: Master's thesis
Year: 2005
Downloads: 8
Quote: 0
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Abstract


With the experimental series A @ C 60 radicals successful preparation of the limited nature of the theory of atomic research has also made great progress. Theoretical calculations show that , because of restrictions on the presence of the environment , there have been many wonderful limited atomic nature : for example level anti- crossing phenomenon , A @ C 60 atomic photoionization cross section appears limited resonance , atomic orbitals in attract potential role of spherical mirror collapse effects, and @ A free atom atomic oscillator strength compared to the redistribution of electron correlation and singular behavior , and so on. It also presents a viable manual control atomic properties. In the article, we study limitations under hydrogen-like system resonance enhancement phenomenon . Using B-spline function as the basis function expansion wave function , combined with non-linear transformation method , we calculate the limiting conditions of the spectral characteristics of hydrogen-like system , and we also calculated the outer wells of different shapes and different locations outside the trap is under limited buckyballs center Be 3 ion 2s-3p oscillator strength with outer well depth V 0 changes. When 2s, 3p states at the same time outside the trap , because the wave function has a strong resonance-enhanced mixing occurs . We also found that the collapse of the first resonance enhancement peak point , and analyzes the causes . The results show that : the environment by limiting the introduction of the Coulomb electron trap in the inner and outer double-well potential well structure, because the presence of foreign emergence trap resonance enhancement ; different shapes will appear outside the trap resonance enhancement phenomenon , the phenomenon of resonance enhanced foreign trap shape is not sensitive ; outer wells with limited capabilities, the resonance enhancement peaks corresponding to the outer well depth V 0 decreases ; when the external trap position r A increases when the resonance enhancement phenomenon more obvious.

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CLC: > Mathematical sciences and chemical > Physics > Molecular physics, atomic physics > Atomic Physics > Atomic Spectroscopy
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