excited state

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Related to Excited electronic state: ground state

Excited state

In quantum mechanics, a stationary state of higher energy than the lowest stationary state or ground state of a particle or a system of particles. Customarily, only bound stationary states, which generally are at most denumerably infinite in number, are spoken of as excited, although the formal quantum theory often treats the noncountable unbound stationary states on an equal footing with the bound states. See Ground state, Metastable state

excited state

See energy level; excitation.

excited state

[ek′sīd·əd ′stāt]
(quantum mechanics)
A stationary state of higher energy than the lowest stationary state or ground state of a particle or system of particles.
References in periodicals archive ?
In another paper [6], half-lifes of excited electronic states of atoms were found to be proton resonance periods, however, a possible interpretation as electron resonance periods has not been attempted yet.
Proton Transfer Reactions in the Excited Electronic States (Vladimir I.
NIST researchers were the first to apply time-resolved infrared spectroscopy to unambiguously reveal that electron injection from excited electronic states of the dye molecules (e.