Nusc
Feb13-10, 10:18 PM
1. The problem statement, all variables and given/known data
[A,exp(X*B)] = exp(X*B)[A,B]X
Is there a name for this relation?
2. Relevant equations
3. The attempt at a solution
If not, how do you prove it?
A(X*B)^n/n! - (X*B)^n/n! * A
[A,exp(X*B)] = exp(X*B)[A,B]X
Is there a name for this relation?
2. Relevant equations
3. The attempt at a solution
If not, how do you prove it?
A(X*B)^n/n! - (X*B)^n/n! * A