Meme
from shallwedance_
* Grab the book nearest you. Right now.
* Turn to page 56.
* Find the fifth sentence.
"I used Equation 2.55 to replace a_a+ by a+a_ + 1, in the second line."
Those are subscripted minus and plus signs. a_ and a+ are ladder operators for states of the harmonic oscillator.
The book is Introduction to Quantum Mechanics, 2nd ed. The author is David Griffiths. The reader is...not found often reading the book -___-;;
* Grab the book nearest you. Right now.
* Turn to page 56.
* Find the fifth sentence.
"I used Equation 2.55 to replace a_a+ by a+a_ + 1, in the second line."
Those are subscripted minus and plus signs. a_ and a+ are ladder operators for states of the harmonic oscillator.
The book is Introduction to Quantum Mechanics, 2nd ed. The author is David Griffiths. The reader is...not found often reading the book -___-;;