Photon 'time bins' and sign steadiness display promise for functional quantum communication via fiber optics There is apparently no means of simplifying or rearranging the integral. Integration by pieces only is effective for taking the spinoff in the exponential aspect, but that leaves larger and better orders of n. I https://gabletoppak.com/reducing-microplastics-why-gable-top-cartons-are-better-than-plastic-water-bottles/