| Quantum—Mechanical Simulation of an Atomic Beam Focused by an Optical Standing Wave |
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| 作者姓名： | 何明 王谨 等 |
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| 作者单位： | [1]StateKeyLaboratoryofMagneticResonanceandAtomicandMolecularPhysics,WuhanInstituteofPhysicsandMethematics,ChineseAcademyofSciences,Wuhan430071 [2]StateKeyLaboratoryofMagneticResonanceandAtomicandMolecularP,WuhanInstituteofPhysicsandMethematics,ChineseAcademyofSciences,Wuhan430071 |
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| 摘 要： | Recent experiments have demonstrated that the light pressure force from an optical standing wave (SW) focuses an atomic beajm to sub-micrometre dimensions.We start from a two-dimensional time-dependent Schrodinger equation and reduce in to a one-dimensional equation by a paraxial approximation.We calculate some theoretical limits on the focusing of an atomic beam by an SW optical field.It is found that two parameters,the atomic velocity and the intensity of the laser beam,play an important role in determining the deposition quality.
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| 关 键 词： | 量子力学 光学驻波 原子束量子力学模拟 |
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