Paraxial envelope X waves.
Localized, stationary, X-type solutions of the paraxial wave equation are described. Unlike conventional X waves, these are luminal, envelope X waves sustained by a material medium because of the interplay of dispersion and diffraction.
Porras
Miguel A
MA
Departamento de Física Aplicada, Escuela de Ingenieros de Madrid, Universidad Politècnica de Madrid, Rios Rosas 21, 28003 Madrid, Spain. porras@dfarn.upm.es
Trillo
Stefano
S
Conti
Claudio
C
Di Trapani
Paolo
P