@article {Ref4,
	title = {Fractional Chern insulator states in twisted bilayer graphene: An analytical approach},
	journal = {Physical Review Research},
	volume = {2},
	year = {2020},
	month = {May},
	pages = {023237},
	publisher = {American Physical Society (APS)},
	issn = {2643-1564},
	doi = {10.1103/physrevresearch.2.023237},
	url = {http://dx.doi.org/10.1103/PhysRevResearch.2.023237},
	author = {Ledwith, Patrick J. and Tarnopolsky, Grigory and Khalaf, Eslam and Vishwanath, Ashvin}
}
