Dembowski, Christian ; Dietz, Barbara ; Gräf, Hans-Dieter ; Harney, H. L. ; Heine, Andreas ; Heiss, W. D. ; Richter, Achim (2004)
Encircling an exceptional point.
In: Physical review E, 69
Artikel, Bibliographie

Dembowski, Christian ; Dietz, Barbara ; Gräf, Hans-Dieter ; Harney, H. L. ; Heine, Andreas ; Heiss, W. D. ; Richter, Achim (2003)
Observation of a chiral state in a microwave cavity.
In: Physical Review Letters, 90
Artikel, Bibliographie

Dembowski, Christian ; Graef, H.-D. ; Harney, H. L. ; Heine, A. ; Heiss, W. D. ; Rehfeld, H. ; Richter, A. (2001)
Experimental observation of the topological structure of exceptional points.
In: Physical review letters, 86
Artikel, Bibliographie