Critical temperature and low-energy excitations in gapped spin systems with defects
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DOI: 10.1103/physrevb.103.024420
Abstract: We discuss theoretically the magnetically ordered phase induced by magnetic and nonmagnetic impurities in three-dimensional and quasi-low-dimensional systems with singlet ground states separated by a gap from excited triplet states. Using ideas of the percolation… read more here.
Keywords: temperature low; low energy; critical temperature; energy excitations ... See more keywords