ultraquantum

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US/ˌʌltɹəˈkwɑntəm/UK/ˌʌltɹəˈkwɒntəm/

adjective

Of a state in which only the lowest Landau level (orbit with a discrete energy value) is occupied.

Scrabble 23
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Meanings

adjectiveultraquantum (not comparable)
  1. not comparablenatural sciencesOf a state in which only the lowest Landau level (orbit with a discrete energy value) is occupied.

    In an ultraquantum magnetic field, i.e., when only the lowest Landau level is occupied, plateaus of the Hall resistance are also observed at fractional s (the fractional quantum Hall effect).

    1997, Richard C. Dorf, Electrical Engineering Handbook, →ISBN, page 507

Origin

From ultra- + quantum.

Full word history & related roots →
Cite this entry
APA

ultraquantum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/ultraquantum

MLA

“ultraquantum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultraquantum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “ultraquantum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/ultraquantum.

Source: ultraquantum on Wiktionary, CC BY-SA 4.0.