Shannon Entropy as an Indicator of Atomic Avoided Crossings in Strong Parallel Magnetic and Electric Fields

Details Shannon Entropy as an Indicator of Atomic Avoided Crossings in Strong Parallel Magnetic and Electric Fields Shannon Entropy as an Indicator of Atomic Avoided Crossings in Strong Parallel Magnetic and Electric Fields

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003phrvl..91k3001g&link_type=abstract

Physical Review Letters, vol. 91, Issue 11, id. 113001

Physics

28

Zeeman And Stark Effects, Calculations And Mathematical Techniques In Atomic And Molecular Physics, Late Stages Of Stellar Evolution

Scientific paper

Avoided crossings are the most distinctive atomic spectroscopic features in the presence of magnetic and electric fields. We point out the role of Shannon’s information entropy as an indicator or predictor of these phenomena by studying the dynamics of some excited states of hydrogen in the presence of parallel magnetic and electric fields. Moreover, in addition to the well-known energy level repulsion, it is found that Shannon’s entropy manifests the informational exchange of the involved states as the magnetic field strength is varied across the narrow region where an avoided crossing occurs.

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