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Helium in polygonal nanopores at zero temperature: Density functional theory calculations

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We investigate adsorption of helium in nanoscopic polygonal pores at zero temperature using a finite-range density functional theory. The adsorption potential is computed by means of a technique denoted as the elementary source method. We analyze a rhombic pore with Cs walls, where we show the existence of multiple interfacial configurations at some linear densities, which correspond to metastable states. Shape transitions and hysterectic loops appear in patterns which are richer and more complex than in a cylindrical tube with the same transverse area.

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Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevB.77.195431

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Helium in polygonal nanopores at zero temperature: Density functional theory calculations