Abstract
We study the dynamics of two-component vector solitons, namely, bright-bright (BB) solitons interacting with parity-time (PT)-symmetric potentials. We employ direct numerical simulations to demonstrate the unidirectional segregation of the BB soliton. Using a modified perturbed dynamical variational Lagrangian approximation, we develop an analytical model to verify the results obtained from numerical calculations. Simplified variational equationsof motion suggest that the splitting of BB solitons can be explained by considering the effective force between the two components.
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