id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-934	Fring, A.	PT-symmetry and Integrability	2007	6	.pdf	application/pdf	4980	305	73	It is crucial to note that the ��-operator is an anti-linear operator, i.e. it acts as �� �� ��( ) * * � �� � � �� � � with �, �� and �, � being some eigenfunctions. (10) Therefore the Hamiltonians H V E W W Em m m m m m� �� � � � � � � � � �� � 2 (11) are isospectral H	cache/ap-934.pdf	txt/ap-934.txt