Bosonic Peierls state emerging from the one-dimensional Ising-Kondo interaction

• URL: http://arxiv.org/abs/2411.16357v1
• Date: Mon, 25 Nov 2024 13:10:53 GMT
• Title: Bosonic Peierls state emerging from the one-dimensional Ising-Kondo interaction
• Authors: Jingtao Fan, Xiaofan Zhou, Suotang Jia,
• Abstract summary: Peierls transition, a hot topic in condensed matter physics, is usually believed to occur in the one-dimensional fermionic systems. We show that, by means of perturbation analysis and numerical density-matrix renormalization group method, a bosonic analog of the Peierls state can occur in proper parameters regimes.
• Score: 0.6086160084025234
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• Abstract: As an important effect induced by the particle-lattice interaction, the Peierls transition, a hot topic in condensed matter physics, is usually believed to occur in the one-dimensional fermionic systems. We here study a bosonic version of the one-dimensional Ising-Kondo lattice model, which describes itinerant bosons interact with the localized magnetic moments via only longitudinal Kondo exchange.\ We show that, by means of perturbation analysis and numerical density-matrix renormalization group method, a bosonic analog of the Peierls state can occur in proper parameters regimes. The Peierls state here is characterized by the formation of a long-range spin-density-wave order, the periodicity of which is set by the density of the itinerant bosons. The ground-state phase diagram is mapped out by extrapolating the finite-size results to thermodynamic limit. Apart from the bosonic Peierls state, we also reveal the presence of some other magnetic orders, including a paramagnetic phase and a ferromagnetic phase. We finally propose a possible experimental scheme with ultracold atoms in optical lattices. Our results broaden the frontiers of the current understanding of the one-dimensional particle-lattice interaction system.

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