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We consider a cosmological scenario endowed with an interaction between theuniverse's dark components $-$ dark matter and dark energy. Specifically, weassume the dark matter component to be a pressure-less fluid, while the darkenergy component is a quintessence scalar field with Lagrangian functionmodified by the quadratic Generalized Uncertainty Principle. The lattermodification introduces new higher-order terms of fourth-derivative due toquantum corrections in the scalar field's equation of motion. Then weinvestigate asymptotic dynamics and general behaviour of solutions of the fieldequations for some interacting models of special interests in the literature.At the background level, the present interacting model exhibits thematter-dominated and de Sitter solutions which are absent in the correspondingquintessence model. Furthermore, to boost the background analysis, we studycosmological linear perturbations in the Newtonian gauge where we show howperturbations are modified by quantum corrected terms from the quadraticGeneralized Uncertainty Principle. Depending on the coupling parameters, scalarperturbations show a wide range of behavior.

Interacting quintessence in light of Generalized Uncertainty Principle: Cosmological perturbations and dynamics