title: Retraction: Higher-Order Nonlocal Effects of a Relativistic Ponderomotive Force in High-Intensity Laser Fields [Phys. Rev. Lett. 112, 035002 (2014)].
abstract: Retraction of DOI: 10.1103/PhysRevLett.112.035002.
authors.forename: Natsumi
authors.initials: N
authors.lastname: Iwata
authors.forename: Yasuaki
authors.initials: Y
authors.lastname: Kishimoto