A canonical formalism is introduced to analytically compute quantum fluctuations in positions, velocities, norms, and phases of solitons within 2- and 3-soliton breathers of the nonlinear Schrödinger equation after a coupling constant quench.
The 2-soliton breather is created by a 4-fold quench of the coupling constant đť‘”
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A canonical approach to quantum fluctuations
A canonical formalism is introduced to analytically compute quantum fluctuations in positions, velocities, norms, and phases of solitons within 2- and 3-soliton breathers of the nonlinear Schrödinger equation after a coupling constant quench.