H L Harney

Experimental observation of the topological structure of exceptional points.

H. Harney, W. Heiss, A. Richter, 2001, Physical review letters.

PT symmetry and spontaneous symmetry breaking in a microwave billiard.

H. Harney, U. Günther, S. Bittner, 2011, Physical review letters.

Encircling an exceptional point.

Heidelberg, Technische Universitat Darmstadt, H. Harney, 2004, Physical review. E, Statistical, nonlinear, and soft matter physics.

Induced violation of time-reversal invariance in the regime of weakly overlapping resonances.

J. Verbaarschot, H. Harney, H. Weidenmüller, 2009, Physical review letters.