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cond-mat.str-el2014★ 13 cited
Localized and propagating excitations in gapped phases of spin systems with bond disorder
O. I. Utesov, A. V. Sizanov, A. V. Syromyatnikov
Using the conventional -matrix approach, we discuss gapped phases in 1D, 2D, and 3D spin systems (both with and without a long range magnetic order) with bond disorder and with…
cond-mat.str-el2014★ 5 cited
Theory of field-induced quantum phase transition in spin dimer system BaCrO
O. I. Utesov, A. V. Syromyatnikov
Motivated by recent experiments on BaCrO, we propose a theory describing low-temperature properties in magnetic field of dimer spin- systems on a stacked t…