What is an antisoliton?

Answer 1

An antisoliton is a soliton with the negative amplitude of a given soliton.

Answer 2

An antisoliton is a type of soliton, which is a self-reinforcing wave that maintains its shape while moving through a medium. Antisolitons are the exact opposite of solitons, where they have opposite polarity and characteristics, leading to annihilation when they collide with a soliton. They arise in certain physical systems where nonlinear effects play a role.