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Ising order in a magnetized Heisenberg chain subject to a uniform Dzyaloshinskii-Moriya interaction

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 نشر من قبل Yang-hao Chan
 تاريخ النشر 2017
  مجال البحث فيزياء
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We report a combined analytical and density matrix renormalized group study of the antiferromagnetic XXZ spin-1/2 Heisenberg chain subject to a uniform Dzyaloshinskii-Moriya (DM) interaction and a transverse magnetic field. The numerically determined phase diagram of this model, which features two ordered Ising phases and a critical Luttinger liquid one with fully broken spin-rotational symmetry, agrees well with the predictions of Garate and Affleck [Phys. Rev. B 81, 144419 (2010)]. We also confirm the prevalence of the N z Neel Ising order in the regime of comparable DM and magnetic field magnitudes.



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