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Data · dataset · 2026

Raw data for: "Control of the Néel vector in the quantum antiferromagnetic honeycomb lattice"

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This dataset contains raw data for the publication "Control of the Néel vector in the quantum antiferromagnetic honeycomb lattice".

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Abstract

Achieving deterministic control over the Néel vector in antiferromagnetic materials holds significant promise for enabling ultrafast information manipulation and high-density data storage. However, the zero net magnetization of antiferromagnets poses significant challenges for both experimental and theoretical efforts to achieve such control. Recently, time-dependent Schwinger boson mean-field theory has been successfully developed to investigate Néel vector switching in hypercubic antiferromagnetic lattices.

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In the present work, we demonstrate that this approach provides a well-justified framework for capturing the essential physics of the switching process, even in low-symmetry quantum antiferromagnetic honeycomb lattice. Our results show that the sublattice magnetization can be reversed above some threshold field and the dephasing effect enables retained switching, whereby the system evolves into the basin of the opposite stable equilibrium state after the driving field is removed.

Furthermore, the quantum approach captures the exchange-enhanced switching mechanism, facilitating Néel vector reversal at relatively low applied fields. We derive general formulas applicable to any bipartite quantum antiferromagnet, providing qualitative estimates of the threshold switching fields as a function of the lattice coordination number. Our results provide a framework for exploring antiferromagnetic switching in a broader class of quantum systems, offering a foundation for future theoretical and computational developments that are particularly relevant to the design of ultrafast spintronic devices.

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Stated by source
Physics
Provenance · 1 source records, 14 field assertions
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