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首页> 外文期刊>Journal of Experimental and Theoretical Physics >Interaction of an atom with superstrong laser fields
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Interaction of an atom with superstrong laser fields

机译：原子与超强激光场的相互作用

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摘要

A theory of atomic interaction with a superstrong laser field has been developed. The specific feature of the suggested theory is that its small parameter is the interaction between the atom and the solenoidal part of the external field, whereas its interaction with the potential part is accurately taken into account. It follows from the reported investigation that, in calculating the interaction of atoms with superstrong fields, one must abandon calculations of multipole moments of transitions between unperturbed atomic levels, and calculate instead the atomic response, which comprises multipole moments of all orders and depends on the instantaneous field magnitude. The results are compared with calculations based on the perturbation theory in terms of the interaction Hamiltonian.
机译：已经开发了与超强激光场的原子相互作用的理论。所提出理论的特定特征是，其较小的参数是原子与外部场的螺线管部分之间的相互作用，而准确地考虑了其与电势部分之间的相互作用。从报告的调查中得出的结论是，在计算原子与超强场的相互作用时，必须放弃对未扰动原子能级之间跃迁的多极矩的计算，而应计算原子响应，该响应包括所有阶数的多极矩，并且取决于瞬时磁场强度。根据哈密顿相互作用，将结果与基于微扰理论的计算结果进行了比较。

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