243 citations · 2.3k across the 105 of their papers we have counts for
3 papers · 1 filter
Dynamic probes of quantum spin chains with the Dzyaloshinskii-Moriya interaction
Oleg Derzhko, Taras Verkholyak, Taras Krokhmalskii +1
We consider the spin-1/2 anisotropic XY chain in a transverse (z) field with the Dzyaloshinskii-Moriya interaction directed along z-axis in spin space to examine the effect of the…
Dynamic structure factors of the spin-1/2 XX chain with Dzyaloshinskii-Moriya interaction
Oleg Derzhko, Taras Verkholyak
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 ef…
Low-temperature thermodynamics for a flat-band ferromagnet: Rigorous versus numerical results
Oleg Derzhko, Andreas Honecker, Johannes Richter
The repulsive Hubbard model on a sawtooth chain exhibits a lowest single-electron band which is completely dispersionless (flat) for a specific choice of the hopping parameters. We…