Quantum Electrodynamics in 2 + 1 Dimensions as the Organizing Principle of a Triangular Lattice Antiferromagnet Alexander Wietek ,1,2,*Sylvain Capponi ,3and Andreas M. L?uchli4,5 1Max Planck Institute for the Physics of Complex Systems, N?thnitzer Stra?e 38, Dresden 01187, Germany 2Center for Computational Quantum Physics, Flatiron Institute, 162 5th Avenue, New York, New York 10010, USA 3Laboratoire de Physique Th? eorique, Universit? e de Toulouse, CNRS, UPS, France 4Laboratory for Theoretical...