id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-4423	Schnabel, Jan; Cartarius, Holger; Main, Jörg; Wunner, Günter; Heiss, Walter Dieter	SIMPLE MODELS OF THREE COUPLED PT -SYMMETRIC WAVE GUIDES ALLOWING FOR THIRD-ORDER EXCEPTIONAL POINTS	2017	8	.pdf	application/pdf	5944	433	68	In addition it is demonstrated that continuous distributions of exceptional points, which render the discovery of the EP3 difficult, are not only a feature of extended wave guides but appear also in an idealised model of infinitely thin guides shaped by delta functions. In much rarer cases exceptional points of higher order (EPN) are discussed [27–30].	cache/ap-4423.pdf	txt/ap-4423.txt