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Critical entropies for magnetic ordering in bosonic mixtures on a lattice
Simulation worm algorithm 3 d optical lattice temperature system antiferromagnetic particles
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2014/12/18
We perform a numeric study (Worm algorithm Monte Carlo simulations) of ultracold two-component bosons in two- and three-dimensional optical lattices. At strong enough interactions and low enough tempe...
Magnetic Ordering at 4.2 and 1.3 K in Nontronites of Different Iron Contents: A 57Fe M鰏sbauer Spectroscopic Study
Interlayer site Iron Magnetic ordering Mossbauer spectroscopy Nontronite Octahedral site Tetrahedral site
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2012/1/11
The 57Fe M鰏sbauer spectra of six nontronite samples were measured at appropriate temperatures of 4.2 and 1.3 K. Three of the nontronites gave a complex magnetic hyperfine spectrum showing magnetic ord...