On the unconditionally gradient stable scheme for the Cahn-Hilliard equation and its implementation with Fourier method Andrew Christlieb, Keith Promislow, and Zhengfu Xu Communications in Mathematical Sciences (1539-6746) 2013 vol.11 no.2 pp.345-360 http://intlpress.com/site/pub/pages/journals/items/cms/content/vols/0011/0002/index.html Scaling laws for droplets spreading under contact-line fri..