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- Instituto Superior TécnicoPT40 papers
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7 papers · 1 filter
Mesophase formation in a system of top-shaped hard molecules: Density functional theory and Monte Carlo simulation
D. de las Heras, S. Varga, F. J. Vesely
We present the phase diagram of a system of mesogenic top-shaped molecules based on the Parsons- Lee density functional theory and Monte Carlo simulation. The molecules are modeled…
Phase diagrams of binary mixtures of patchy colloids with distinct numbers of patches: The network fluid regime
Daniel de las Heras, José M. Tavares, Margarida M. Telo da Gama
We calculate the network fluid regime and phase diagrams of binary mixtures of patchy colloids, using Wertheim's first order perturbation theory and a generalization of Flory-Stock…
On elliptical soft colloids in smectic-C films
N. M. Silvestre, P. Patricio, M. M. Telo da Gama
We investigate theoretically the elliptical shapes of soft colloids in freely standing smectic C films, that have been reported recently. The colloids favour parallel alignment of…
Nature of intrinsic relation between Bloch-band tunneling and modulational instability
V. A. Brazhnyi, V. V. Konotop, V. Kuzmiak
On examples of Bose-Einstein condensates embedded in two-dimensional optical lattices we show that in nonlinear periodic systems modulational instability and inter-band tunneling a…
Capillary bridging and long-range attractive forces in a mean-field approach
D. Andrienko, P. Patricio, O. I. Vinogradova
When a mixture is confined, one of the phases can condense out. This condensate, which is otherwise metastable in the bulk, is stabilized by the presence of surfaces. In a sphere-p…
Interaction of colloids with a nematic-isotropic interface
D. Andrienko, M. Tasinkevych, P. Patricio +1
The Landau-de Gennes free energy is used to calculate the interaction between long cylindrical colloids and the nematic-isotropic (NI) interface. This interaction has two contribut…