Frankstonisd Net There are words that do not contain letters A, H, K, P, X and Z Click on a word without A, H, K, P, X and Z to see its definition → 168 1letter words without a h k p x z bBetween the position operator x and momentum operator p x in the x direction of a point particle in one dimension, where x, p x = x p x − p x x is the commutator of x and p x , i is the imaginary unit, and ℏ is the reduced Planck's constant h/2 π, and is the unit operator In general, position and momentum are vectors of operators and their commutation relation between different P(x)=a(x-h)^2+k
