Wiktionary
eigenstate
n. (context physics English) A dynamic quantum mechanical state whose wave function is an eigenvector that corresponds to a physical quantity
Usage examples of "eigenstate".
The Qusp was now fully protected once more whenever it was not in an eigenstate, but this time, it was the second quantum computer, not the outside world, to which it was intermittently exposed.
As it exchanged information with the machinery that had launched them, the state vector for the ship was rotated into an eigenstate for a single strategy: the one that had succeeded.
Nuclei in the detectors were excited into unstable high-energy states, then kept there by fine-tuned gamma-ray lasers picking off lower-energy eigenstates faster than they could creep into existence and attract a transition.