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首页> 外文会议>International conference on laser physics 2010 >Manipulating Feshbach resonances in collisions of atoms in laser radiation field
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Manipulating Feshbach resonances in collisions of atoms in laser radiation field

机译：在激光辐射场中原子碰撞中操纵Feshbach共振

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摘要

Collisions of atoms with formation of Feshbach resonances in the presence of laser field are considered. The elastic and inelastic scattering cross sections are calculated. The laser field leads to second resonance in elastic scattering, broadening of resonances, and arising of interference between resonant and potential scattering. The effects associated with interference of the two channels of decay of bound system of two atoms (a molecule) in laser field are studied. It is shown that if the energy equals that of the lower stable Stark-shifted level plus the energy of two photons, the resonance is quenched. It is also shown that with the increase in two-photon effective interaction the pattern of resonance scattering changes essentially.
机译：考虑在激光场的存在下形成Feshbach共振的原子碰撞。计算弹性和非弹性散射截面。激光场在弹性散射中导致第二共振，共振变宽，并在共振和电势散射之间产生干扰。研究了激光场中与两个原子（一个分子）的结合系统衰变的两个通道的干涉有关的效应。结果表明，如果能量等于较低的稳定斯塔克位移能级的能量加上两个光子的能量，则共振被猝灭。还显示出随着双光子有效相互作用的增加，共振散射的模式本质上改变。

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