Scale dependence of the retarded van der Waals potential

Tadahiro Miyao, Herbert Spohn

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We study the ground state energy for a system of two hydrogen atoms coupled to the quantized Maxwell field in the limit α → 0 together with the relative distance between the atoms increasing as α-γR, γ > 0. In particular we determine explicitly the crossover function from the R -6 van der Waals potential to the R-7 retarded van der Waals potential, which takes place at scale α-2R.

Original languageEnglish
Article number095215
JournalJournal of Mathematical Physics
Issue number9
StatePublished - 28 Sep 2012


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