Solutions of a Nonlinear Dirac Equation with External Fields
Solutions of a Nonlinear Dirac Equation with External Fields
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DOI:
10.1007/s00205-008-0163-z
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发表时间:
2008-08
影响因子:
2.5
通讯作者:
Yanheng Ding;B. Ruf
中科院分区:
文献类型:
--
作者:
Yanheng Ding;B. Ruf
We study the stationary Dirac equation with a matrix potential describing the external field, and a asymptotically quadratic nonlinearity modelling various types of interaction without any periodicity assumption. Our discussion includes the Coulomb potential as a special case, and for the semiclassical situation we handle the scalar fields. We obtain existence and multiplicity results of stationary solutions via critical point theory.