@article{paperid:1065233, author = {Koohsarian, Yusef and Javidan, Kurosh and A. Shirzad}, title = {Casimir energy for acoustic phonons in graphene}, journal = {Europhysics Letters}, year = {2017}, volume = {119}, number = {4}, month = {October}, issn = {0295-5075}, pages = {48002--48002}, numpages = {0}, keywords = {Casimir energy; Acoustic phonons; Graphene; heat kernel expansion}, }