Meera Ramaswamy, Neil Y. C. Lin, Brian D. Leahy, Christopher Ness, Andrew M. Fiore, James W. Swan, and Itai CohenOct, 2017Physical Review X 7, no. 4 (2017): 041005. Journal Link: https://journals.aps.org/prx/abstract/10.1103/PhysRevX.7.041005Publication File: Ramaswamy_PRX_2017.pdf