Functional renormalization group analysis of the 1D dissipative Bose-Hubbard model reveals a Luttinger-liquid line of fixed points competing with a dissipative fixed point of finite compressibility and vanishing superfluid stiffness, separated by a BKT transition, for ohmic to super-ohmic baths.
After a transient regime, all RG trajectories should thus collapse on the plane where ˜yi≥2,k = 0, resulting in a large river (or plane) effect [49, 50]
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Functional renormalization group study of a dissipative Bose--Hubbard model
Functional renormalization group analysis of the 1D dissipative Bose-Hubbard model reveals a Luttinger-liquid line of fixed points competing with a dissipative fixed point of finite compressibility and vanishing superfluid stiffness, separated by a BKT transition, for ohmic to super-ohmic baths.