Systematic derivation of a rotationally covariant extension of the 2-dimensional Newell-Whitehead-Segel equation
arXiv:patt-sol/9603004 · doi:10.1103/PhysRevLett.76.2185
Abstract
An extension of the Newell-Whitehead-Segel amplitude equation covariant under abritrary rotations is derived systematically by the renormalization group method.
8 pages, to appear in Phys. Rev. Letters, March 18, 1996