Dynamic structure factors of the spin-1/2 XX chain with Dzyaloshinskii-Moriya interaction

Details Dynamic structure factors of the spin-1/2 XX chain with Dzyaloshinskii-Moriya interaction Dynamic structure factors of the spin-1/2 XX chain with Dzyaloshinskii-Moriya interaction

2007-12-15

arxiv.org/abs/0712.2507v1

Journal of the Physical Society of Japan Vol. 75 No. 10, October, 2006, 104711 (7 pages)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1143/JPSJ.75.104711

We consider the spin-1/2 isotropic XY chain in a (z) transverse magnetic field with the Dzyaloshinskii-Moriya interaction directed along the z-axis in spin space and examine the effects of the latter interaction on the zz, xx (yy) and xy (yx) dynamic structure factors. The Dzyaloshinskii-Moriya interaction does not manifest itself in the zz dynamic quantities. In contrast, the xx (yy) and xy (yx) dynamic structure factors show dramatical changes owing to the Dzyaloshinskii-Moriya interaction. Implications of our results for electron spin resonance experiments are briefly discussed.

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