Enhanced quantization on the circle
  We apply the quantization scheme introduced in [arXiv:1204.2870] to a particle on a circle. We find that the quantum action functional restricted to appropriate coherent states can be expressed as the classical action plus $\hbar$-corrections. This result extends the examples presented in the cited paper. 
Joseph Ben Geloun and John R. Klauder
math-ph hep-th math.MP quant-ph