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We study the effects of the spacial structure of localized losses inweakly-interacting fermionic quantum wires. We show that multiple dissipativeimpurities give rise to resonant effects visible in the transport propertiesand the particles' momentum distribution. These resonances can enhance orsuppress the effective particle losses in the wire. Moreover, we investigatethe interplay between interactions and the impurity shape and find that,differently from the coherent scatterer case, the impurity shape modifies thescaling of the scattering probabilities close to the Fermi momentum. We showthat, while the fluctuation-induced quantum Zeno effect is robust against theshape of the impurities, the fluctuation-induced transparency is liftedcontinuously. This is reflected in the emergence of a continuous line of fixedpoints in the renormalization group flow of the scattering probabilities.

Shape effects of localized losses in quantum wires: dissipative resonances and nonequilibrium universality