Menu

Discussion Forum

New Discussion
Filtra

Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

solving a commutator

Posted 25 lug 2009, 10:46 GMT-4 0 Replies

Jim Hodge
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

I have a problem to resolve and it is very difficult. The commutator below is at the heart of my difficulties. I have solved it for myself and I am very happy with the result, but there are other methods to those I used and I would like to see if another person faced with this can find an alternative result. Would someone be very kind and find a solution so that I can look at all of the possible outcomes of the calculation. I have found two methods for myself and the results have been the same – the value is certainly not 0 and it is quite lengthy.

The commutator is:-
???????????????? The full form will not print in this format - a problem when you need to use the standard form of equations in the Greek alphabet!

Where the State Vector, in its simplest form is:

Psi = expi { k x - ? t }
And
[-{? ???t dx} + {???t? dx}].
0 Replies Last Post 25 lug 2009, 10:46 GMT-4
COMSOL Moderator

Hello Jim Hodge

Your Discussion has gone 30 days without a reply. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help.

If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

Suggested Content