Diabolical points in the magnetic spectrum of Fe8 molecules

A. Garg*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


The magnetic molecule Fe8 has been predicted and observed to have a rich pattern of degeneracies in its spectrum as an external magnetic field is varied. These degeneracies have now been recognized to be diabolical points. This paper analyzes the diabolicity and all essential properties of this system using elementary perturbation theory. A variety of arguments is given to suggest that an earlier semiclassical result for a subset of these points may be exactly true for arbitrary spin.

Original languageEnglish (US)
Pages (from-to)382-388
Number of pages7
JournalEurophysics Letters
Issue number3
StatePublished - May 1 2000

ASJC Scopus subject areas

  • General Physics and Astronomy


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