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Structural superfluid-Mott-insulator transition for a Bose gas in multirods
(American Physical Society, 2021-01-14)
Article
Open AccessWe report on a structural superfluid–Mott-insulator (SF-MI) quantum phase transition for an interacting one-dimensional Bose gas within permeable multirod lattices, where the rod lengths are varied from zero to the lattice ... -
Bridging NiCo layered double hydroxides and Ni3S2 for bifunctional electrocatalysts: the role of vertical graphene
(2021-07-01)
Article
Restricted access - publisher's policyIn this work, we report a bifunctional electrocatalyst with nickel sulphide (Ni3S2) as the template, vertical graphene (VG) as the bridging material, and nickel–cobalt layered double hydroxides (NiCo LDHs) nanosheets as ... -
Superfluid vortex dynamics on a torus and other toroidal surfaces of revolution
(American Physical Society (APS), 2020-05-04)
Article
Open AccessThe superfluid flow velocity is proportional to the gradient of the phase of the superfluid order parameter, leading to the quantization of circulation around a vortex core. In this work, we study the dynamics of a ... -
Universal dimerized quantum droplets in a one-dimensional lattice
(American Institute of Physics (AIP), 2021-01-11)
Article
Open AccessThe ground-state properties of two-component bosonic mixtures in a one-dimensional optical lattice are studied both from few- and many-body perspectives. We rely directly on a microscopic Hamiltonian with attractive ... -
Enhancement of phase stability and optoelectronic performance of BiFeO3 thin films via cation co-substitution
(Royal Society of Chemistry (RSC), 2021-01-07)
Article
Open AccessCompositional engineering of BiFeO3 can significantly boost its photovoltaic performance. Therefore, controlling site substitution and understanding how it affects the optical and electronic properties while achieving ... -
Nature of alkali ion conduction and reversible Na-ion storage in hybrid formate framework materials
(2020-12-10)
Article
Restricted access - publisher's policyThe cost advantage of Na-ion batteries has spurred intensive research effort in the last ten years to develop reversible Na+ storage materials. While classic host materials – analogous to the Liion system – are potentially ... -
Giant thermal enhancement of the electric polarization in ferrimagnetic BiFe_{1-x}Co_{x}O_{3} solid solutions near room temperature
(American Institute of Physics (AIP), 2020-09-11)
Article
Open AccessThermal excitations typically reduce the electric polarization in ferroelectric materials. Here, we show by means of first-principles calculations that multiferroic BiFe 1 - x Co x O 3 solid solutions with 0.25 = x = 0.50 ... -
Amplitude death and restoration in networks of oscillators with random-walk diffusion
(2021-01-26)
Article
Open AccessSystems composed of reactive particles diffusing in a network display emergent dynamics. While Fick’s diffusion can lead to Turing patterns, other diffusion schemes might display more complex phenomena. Here we study the ... -
Effect of the water model in simulations of protein–protein recognition and association
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-06)
Article
Open AccessWe study self-association of ubiquitin and the disordered protein ACTR using the most commonly used water models. We find that dissociation events are found only with TIP4P-EW and TIP4P/2005, while the widely used TIP3P ... -
Trapped Bose-Bose mixtures at finite temperature: a quantum Monte Carlo approach
(American Physical Society, 2020-12-04)
Article
Open AccessWe study thermal properties of a trapped Bose-Bose mixture in a dilute regime using quantum Monte Carlo methods. Our main aim is to investigate the dependence of the superfluid density and the condensate fraction on ... -
Microscopic interactions of melatonin, serotonin and tryptophan with zwitterionic phospholipid membranes
(2021-03-11)
Article
Open AccessThe interactions at the atomic level between small molecules and the main components of cellular plasma membranes are crucial for elucidating the mechanisms allowing for the entrance of such small species inside the cell. ... -
The localization of non-backtracking centrality in networks and its physical consequences
(Nature, 2020-12-10)
Article
Open AccessThe spectrum of the non-backtracking matrix plays a crucial role in determining various structural and dynamical properties of networked systems, ranging from the threshold in bond percolation and non-recurrent epidemic ...
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