AUTHOR=Hsu H. C. , Abid M. , Chen Y. Y. , Kharif C. TITLE=Transformation of the Peregrine Breather Into Gray Solitons on a Vertically Sheared Current JOURNAL=Frontiers in Physics VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2021.631993 DOI=10.3389/fphy.2021.631993 ISSN=2296-424X ABSTRACT=

In this Brief Research Report, we show, within the framework of the nonlinear Schrödinger equation in deep water and in the presence of vorticity (vor-NLS), that the Peregrine breather traveling at the free surface of a shear current of slowly varying vorticity may transform into gray solitons.