New exact solutions in a chiral model for a planar-symmetry gravitational field
New exact solutions are derived to the dynamic equations for an effective nonlinear sigma model NSM for a vacuum planar-symmetry gravitational field by the use of a functional-parameter method. The solutions are Backlund transformations of solutions to D'Alembert's and Einstein's equations.
KeywordsExact Solution Gravitational Field Effective Field Theory Chiral Model Einstein Vacuum Equation
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