Definition of Rydberg atom in English:

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Rydberg atom

Pronunciation: /ˈridˌbərɡ ˌadəm/


An atom in a highly excited state in which one electron has almost sufficient energy to escape. Atoms, usually hydrogen atoms, in this Rydberg state are used in atomic research.
Example sentences
  • Raithel's work suggests that the first few free electrons are not produced by Rydberg atom collisions but when Rydberg atoms are photoionized by black-body radiation.
  • During the last two years, theoretical studies were performed on a variety of topics related to collisions involving Rydberg atoms.
  • We show that it is possible to excite, and then trap, one and only one Rydberg atom from a cloud of ground state atoms confined on a magnetic atom chip, itself integrated with the Rydberg trap.


Named after J. R. Rydberg (see Rydberg constant).

For editors and proofreaders

Syllabification: Ryd·berg at·om

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