Bloch's theorem

English

Etymology 1

Named after the physicist Felix Bloch.

Proper noun

Bloch's theorem

1. (physics) A theorem stating that the energy eigenstates for an electron in a crystal can be written as Bloch waves.

Etymology 2

Named after the French mathematician André Bloch.

Proper noun

Bloch's theorem

1. (mathematics) A theorem that gives a lower bound on the size of a disc in which an inverse to a holomorphic function exists.