Perturbation theory for Floquet eigenvalues in a zero-range potential.  [electronic resource] 

 -  Physical review. A, Atomic, molecular, and optical physics  Jul 1990 
 - 452-458 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1050-2947 
<br/><br/><label>Standard No.: </label>10.1103/physreva.42.452  doi