@article {1708.05366, archivePrefix = {arXiv}, eprint = {1708.05366}, primaryClass = {astro-ph.EP}, author = {Sourav Chatterjee and Howard Chen}, title = {Effects of Planetesimal Accretion on the Thermal and Structural Evolution of Sub-Neptunes}, year = {2017}, url = {http://arxiv.org/abs/1708.05366} }