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Quantum critical behavior of diluted quasi-one-dimensional Ising chains
Logan Sowadski, Thomas Vojta
CoNbO is a unique magnetic material. It features bulk three-dimensional magnetic order at low temperatures, but its quantum critical behavior in a magnetic field is well de…
Magnetic field-tuned magnetic order and metamagnetic criticality in non-stoichiometric CeAuBi
Halyna Hodovanets, Hyunsoo Kim, Tristin Metz +9
We present a detailed study of magnetization, resistivity, heat capacity, and X-ray and neutron powder diffraction measurements performed on single crystals of non-stoichiometric C…
Amplitude mode at the superfluid-insulator transition on a random lattice
Vishnu Pulloor Kuttanikkad, Rajesh Narayanan, Thomas Vojta
We study the superfluid-insulator quantum phase transition of interacting bosons by means of large-scale Monte Carlo simulations in the presence of both topological and generic que…
Fractional Brownian motion with mean-density interaction: a myopic self-avoiding fractional stochastic process
Jonathan House, Rashad Bakhshizada, Skirmantas Janušonis +2
Fractional Brownian motion is a Gaussian stochastic process with long-range correlations in time; it has been shown to be a useful model of anomalous diffusion. Here, we investigat…