Hello everybody, I have few queries in Quantum.Can anybody tell me:-(adsbygoogle = window.adsbygoogle || []).push({});

1.) Ladder operators are very well defined as L+/- = LX (+/-) iLY.

But what is its significance and from where it found its origination.

2.) Condition for any operator being HERMITIAN, plz don’t give mathematical response of this i.e. adjoint(operator) = operator, i know that. Please tell me in sense of physically , by giving example if possible.

With regards

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Ladder Operator/hermiticity

**Physics Forums | Science Articles, Homework Help, Discussion**