Yerokhin, Vladimir A.2004-12-132004-12-1320012001http://hdl.handle.net/2003/1854210.17877/DE290R-16179enThe American Physical SocietyPhysical Review Letters530Leading Logarithmic Contribution to the Second-Order Lamb Shift Induced by the Loop-After-Loop Diagram10.1103/PhysRevLett.86.1990article (journal)