Unexpected Effectiveness of Berezinskii-Kosterlitz-Thouless Description of Electron Paramagnetic Resonance Linewidth Behaviour in the 3-Dimensional Manganite Bi${}_{0.5}$Sr${}_{0.5}$Mn${}_{0.9}$Cr${}_{0.1}$O${}_3$

A. Ashoka, K. S. Bhagyashree, S. V. Bhat

We find that the temperature dependence of the Electron Paramagnetic Resonance (EPR) linewidth observed in Bi${}_{0.5}$Sr${}_{0.5}$Mn${}_{0.9}$Cr${}_{0.1}$O${}_3$ (BSMCO), as well as in cert…