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Transitionless quantum driving of the Tomonaga-Luttinger liquid

Léonce Dupays1,* and Adolfo del Campo1,2,†

  • *Contact author: leonce.dupays@gmail.com
  • †Contact author: adolfo.delcampo@uni.lu

Phys. Rev. B 111, L100303 – Published 19 March, 2025

DOI: https://doi.org/10.1103/PhysRevB.111.L100303

Abstract

Shortcuts to adiabaticity (STA) make the fast preparation of many-body states possible, circumventing the limitations of adiabatic strategies. We propose a fast STA protocol for generating interacting states in the Tomonaga-Luttinger liquid by counterdiabatic driving, stirring the dynamics with an auxiliary control field. To this end, we exploit the equivalence between the time-dependent Tomonaga-Luttinger liquid and an ensemble of quantum oscillators with driven mass and frequency. We specify the closed-form expression of the counterdiabatic control and demonstrate its efficiency in suppressing excitations.

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