which-path information

noun

information about which path a particle has taken through space

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Meanings

nounwhich-path information (uncountable)
  1. uncountablequantum informationinformation about which path a particle has taken through space

    Suppose we don't do any measurement on the k beam: we just remove detector D#95;i. We shall now obtain no which-path information.

    2005, Christopher Gerry, Peter Knight, Introductory Quantum Optics
Cite this entry
APA

which-path information. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/which-path%20information

MLA

“which-path information.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/which-path%20information. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “which-path information,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/which-path%20information.

Source: which-path information on Wiktionary, CC BY-SA 4.0.