Quantum mech question regarding raising and lowering oporators.

Subject: Quantum mech question regarding raising and lowering oporators.

Date: Tue Jun 16 17:12:50 2009
Posted by geoff
Grade level: undergrad School: No school entered.
City: No city entered. State/Province: No state entered. Country: UK
Area of science: Physics
ID: 1245197570.Ph

Message:


why is it that in some cases a term with unequal raising and lowering operators
can have zero expectation value in the ground state of a harmonic oscillator?
And why is it that any term with lowering operator on the extreme right has zero
expectation value in the ground state too.  Thanks.

Re: Quantum mech question regarding raising and lowering oporators.

Current Queue | Current Queue for Physics | Physics archives

Try the links in the MadSci Library for more information on Physics.