Ising order in a magnetized Heisenberg chain subject to a uniform Dzyaloshinskii-Moriya interaction
arXiv:1708.03670 · doi:10.1103/PhysRevB.96.214441
Abstract
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 Néel Ising order in the regime of comparable DM and magnetic field magnitudes.
14 pages, 10 figures
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- Magnetic phase diagram of a spin-1/2 XXZ chain with modulated Dzyaloshinskii-Moriya interaction
- Ferromagnetic Heisenberg model with the Dzyaloshinskii-Moriya interaction
- Long range alternating spin current order in a quantum wire with modulated spin-orbit interactions