ultraquantum en · ADJ
Pronunciation
- /ˌʌltɹəˈkwɑntəm/ (General-American)
- /ˌʌltɹəˈkwɒntəm/ (Received-Pronunciation)
Etymology
From ultra- + quantum.
Meanings
-
(not-comparable) Of 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: