Lattice model of heavy-light three-body system

We present a study of a 1+1 dimensional heavy-light three-body system in finite volume. The heavy-light system is simulated by a coupled-channel ϕ4 type lattice model, and both ground state and excited states of multiparticle energy spectra are measured on various lattices. The lattice simulation data analysis is performed based on a variational approach.


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