09/05/2007, 08:04 PM
Yes, the main difference between the one above and Woon's original expansion is that his expansion uses two (-1) factors, whereas I use one (-1) with two exponents... basically the same.
For his original paper, you can download it from arxiv.org:
http://arxiv.org/abs/hep-th/9707206 (click on PS or PDF)
and his formulas are at #18 (for the D operator), #71 (for any operator).
Andrew Robbins
For his original paper, you can download it from arxiv.org:
http://arxiv.org/abs/hep-th/9707206 (click on PS or PDF)
and his formulas are at #18 (for the D operator), #71 (for any operator).
Andrew Robbins