I have the following expression in sympy:
"Add(Mul(Integer(-1), Integer(2), Symbol('g'), Symbol('psi^ss_1'),
conjugate(Symbol('psi^ss_1'))), Mul(Integer(-1), Integer(2), Symbol('g'),
Symbol('psi^ss_2'), conjugate(Symbol('psi^ss_2'))), Symbol('omega_2'),
Mul(Integer(-1), Rational(1, 2), Pow(Symbol('m'), Integer(-1)),
Pow(Add(Mul(Integer(-1), Symbol('k')), Symbol('k_2')), Integer(2))))"
(sorry for the long line, didnt know how else to paste it)
Anyway, I would like to factor 2g in front of the 2 terms that contain it
(simplify doesnt do it for some reason) and also would like to replace all
occurrences of x*conjugate(x) by abs(x)**2. There are two such occurrences
and I tried to do expr.replace(a*conjugate(a), abs(a)**2) without any luck.
Could anyone please help?
Tnx,
Andrei
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