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Effects of Substrate Relaxation on Adsorption in Pores |
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| Authors: | Hye-Young Kim Silvina M. Gatica George Stan Milton W. Cole |
| Affiliation: | 1. Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana, 70402, USA 2. Department of Physics and Astronomy, Howard University, 2355 Sixth Street NW, Washington, DC, 20059, USA 3. Department of Chemistry, University of Cincinnati, Cincinnati, OH, 45221-0172, USA 4. Department of Physics, Penn State University, University Park, PA, 16802, USA |
| Abstract: | Fluids in porous media are commonly studied with analytical or simulation methods, usually assuming that the host medium is rigid. By evaluating the substrate’s response (relaxation) to the presence of the fluid we assess the error inherent in that assumption. One application is a determination of the ground state of 3He in slit and cylindrical pores. With the relaxation, there results a much stronger cohesion than would be found for a rigid host. Similar increased binding effects of relaxation are found for classical fluids confined within slit pores or nanotube bundles. |
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