Efimov state

noun

Each of the infinitely many three-body bound states due to the interaction of three identical bosons, when a two-body state is exactly at the dissociation threshold.

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Meanings

nounEfimov state (plural Efimov states)

plural Efimov states

  1. quantum mechanicsEach of the infinitely many three-body bound states due to the interaction of three identical bosons, when a two-body state is exactly at the dissociation threshold.

Origin

Named after Russian theoretical physicist Vitaly Efimov.

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Cite this entry
APA

Efimov state. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Efimov%20state

MLA

“Efimov state.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Efimov%20state. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Efimov state,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Efimov%20state.

Source: Efimov state on Wiktionary, CC BY-SA 4.0.