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Quantum Physics

Title: Transitionless Quantum Driving of the Tomonaga-Luttinger Liquid

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 counter-diabatic 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.
Comments: 5+7, 1 figure
Subjects: Quantum Physics (quant-ph); Quantum Gases (cond-mat.quant-gas); Strongly Correlated Electrons (cond-mat.str-el)
Cite as: arXiv:2404.19013 [quant-ph]
  (or arXiv:2404.19013v1 [quant-ph] for this version)

Submission history

From: Léonce Dupays [view email]
[v1] Mon, 29 Apr 2024 18:00:19 GMT (43kb)

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