Spectrum and low-temperature bulk properties of triangular quantum spin liquid candidate NaYbSe$_2$

A. O. Scheie; Minseong Lee; Kevin Wang; P. Laurell; E. S. Choi; D. Pajerowski; Qingming Zhang; Jie Ma; H. D. Zhou; Sangyun Lee; Chao Huan; S. M. Thomas; M. O. Ajeesh; P. F. S. Rosa; Ao Chen; Vivien S. Zapf; M. Heyl; C. D. Batista; E. Dagotto; J. E. Moore; D. Alan Tennant

Spectrum and low-temperature bulk properties of triangular quantum spin liquid candidate NaYbSe$_2$

Strongly Correlated Electrons 2026-03-16 v2

Authors: A. O. Scheie , Minseong Lee , Kevin Wang , P. Laurell , E. S. Choi , D. Pajerowski , Qingming Zhang , Jie Ma , H. D. Zhou , Sangyun Lee , Chao Huan , S. M. Thomas , M. O. Ajeesh , P. F. S. Rosa , Ao Chen , Vivien S. Zapf , M. Heyl , C. D. Batista , E. Dagotto , J. E. Moore , D. Alan Tennant

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Abstract

We report neutron scattering, pressure-dependent AC calorimetry, and AC magnetic susceptibility measurements of triangular lattice NaYbSe $_2$ . We observe a continuum of scattering, which is reproduced by matrix product simulations, and no phase transition is detected in any bulk measurements. Comparison to heat capacity simulations suggest the material is within the Heisenberg spin liquid phase. AC Susceptibility shows a frequency-dependent peak at 40 mK, as has been observed in several triangular magnets.

Keywords

quantum spin liquid triangular lattice NaYbSe2 neutron scattering matrix product simulations Heisenberg model AC susceptibility

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@article{arxiv.2406.17773,
  title  = {Spectrum and low-temperature bulk properties of triangular quantum spin liquid candidate NaYbSe$_2$},
  author = {A. O. Scheie and Minseong Lee and Kevin Wang and P. Laurell and E. S. Choi and D. Pajerowski and Qingming Zhang and Jie Ma and H. D. Zhou and Sangyun Lee and Chao Huan and S. M. Thomas and M. O. Ajeesh and P. F. S. Rosa and Ao Chen and Vivien S. Zapf and M. Heyl and C. D. Batista and E. Dagotto and J. E. Moore and D. Alan Tennant},
  journal= {arXiv preprint arXiv:2406.17773},
  year   = {2026}
}

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5 pages, 4 figures; 7 pages and 13 figures supplemental materials

Spectrum and low-temperature bulk properties of triangular quantum spin liquid candidate NaYbSe$_2$

Abstract

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