# Scale invariance Vs Conformal invariance [duplicate]

Possible Duplicate:
Why does dilation invariance often imply proper conformal invariance?

What exactly is the difference between the two? Can someone give an example of a theory which is scale invariant but not conformally invariant?

• Two counterexamples are e.g. given here arxiv.org/abs/hep-th/0006037 – Qmechanic May 3 '12 at 13:53
• This question is answered here and hence essentially a duplicate. – Qmechanic May 3 '12 at 13:55
• @Qmechanic: the answers to that previous question are now outdated due to some progress over the last two years. – Vibert Sep 20 '13 at 6:30