“Hofstadter’s butterfly spotted in graphene” – Physics World Top Ten Breakthroughs of 2013

“To three groups that have independently made the first measurement of Hofstadter’s butterfly in a solid-state system. One group is led by Philip Kim of Columbia University, another is led by Roman Gorbachev of the University of Manchester and another by Pablo Jarillo-Herrero and Ray Ashoori at the Massachusetts Institute of Technology.” – Physics World.

Link to the Physics World article here

Read the original publication at Science