Dirac Notation

Also called “Bracket/Bra-ket” Notation

The entire expression is called the “bracket” is called the “bra” is called the “ket”

• Use kets to represent the probabilisitc state of a particle

• For example, the expected position is

• To include time dependence:

• The normalization condition is

• The dipole moment:

H Atom State

See Hydrogen Radial Wave Functions and Schrödinger Wave Equation for Hydrogen Atom