Spin-spin correlations of the spin-ladder compound (C${}_5$H${}_{12}$N)${}_2$CuBr${}_4$ measured by magnetostriction and comparison to Quantum Monte Carlo results

Fabrizio Anfuso, Markus Garst, Achim Rosch +4

Magnetostriction and thermal expansion of the spin-ladder compound piperidinium copper bromide (C${}_5$H${}_{12}$N)${}_2$CuBr${}_4$ are analyzed in detail. We find perfect agreement betwee…