Electronic structure critical parameters for the Lithium isoelectronic series

Pablo Serra, Juan Pablo Neirotti, Sabre Kais

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

The finite-size scaling method is used to calculate the critical parameters for the lithium isoelectronic series. The critical nuclear charge, which is the minimum charge necessary to bind three electrons, for the ground state was found to be Zc ≃ 2. Results show that the analytical behavior of the energy as a function of the nuclear charge for lithium is completely different from that of helium. Analogy with standard phase transitions show that for helium, the transition from a bound state to a continuum is “first order,” while lithium exhibits a “second order phase transition”.

Original languageEnglish
Pages (from-to)5293-5296
Number of pages4
JournalPhysical Review Letters
Volume80
Issue number24
DOIs
Publication statusPublished - 1 Jan 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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