Heisenberg picture

1. Apr 18, 2008

lark

Did I do this right? An exercise in a book where my answer came out opposite from the author's. camoo.freeshell.org/22.9.pdf
Laura

2. Apr 18, 2008

olgranpappy

you are right. he has a sign error.

3. Apr 18, 2008

lark

Thanks for checking.
Laura