ultraquantum

English

Etymology

ultra- +‎ quantum

Pronunciation

• (General American) IPA^(key): /ˌʌltɹəˈkwɑntəm/
• (Received Pronunciation) IPA^(key): /ˌʌltɹəˈkwɒntəm/

Adjective

ultraquantum (not comparable)

1. (physics) Of a state in which only the lowest Landau level (orbit with a discrete energy value) is occupied.
   • 1997, Richard C. Dorf, Electrical Engineering Handbook‎^[1], →ISBN, page 507:

     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).

Derived terms

• ultraquantum limit