Critical conditions for stable dipole-bound dianions |
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Authors: | Ferrón Alejandro Serra Pablo Kais Sabre |
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Affiliation: | Facultad de Matemática, Astronomía y Física, Universidad Nacional de Córdoba, Ciudad Universitaria, 5000 Córdoba, Argentina. ferron@tero.fis.uncor.edu |
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Abstract: | We present finite size scaling calculations of the critical parameters for binding two electrons to a finite linear dipole field. This approach gives very accurate results for the critical parameters by using a systematic expansion in a finite basis set. A complete ground state stability diagram for the dipole-bound dianion is obtained using accurate variational and finite size scaling calculations. We also study the near threshold behavior of the ground state energy by calculating its critical exponent. |
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