.. _ref:

Reference
=========

[1] `M. Kawamura, Y. Gohda, and S. Tsuneyuki, Phys. Rev. B 89, 094515 (2014). <https://journals.aps.org/prb/abstract/10.1103/PhysRevB.89.094515>`_

[2] `M. Kawamura, R. Akashi, and S. Tsuneyuki, Phys. Rev. B 95, 054506 (2017). <https://journals.aps.org/prb/abstract/10.1103/PhysRevB.95.054506>`_