Bloch sphere

noun

A geometrical representation of the pure state space of a two-level quantum-mechanical system, or qubit.

Meanings

nounBloch sphere (plural Bloch spheres)

plural Bloch spheres

  1. quantum mechanicsA geometrical representation of the pure state space of a two-level quantum-mechanical system, or qubit.

Origin

Named after Swiss-American physicist Felix Bloch (1905–1983).

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

Source: Bloch sphere on Wiktionary, CC BY-SA 4.0.