Stephan Sponar
Stephan Sponar
Senior Scientist, Atominstitut -TU Wien, Vienna, Austria
Bestätigte E-Mail-Adresse bei - Startseite
Zitiert von
Zitiert von
Experimental demonstration of a universally valid error–disturbance uncertainty relation in spin measurements
J Erhart, S Sponar, G Sulyok, G Badurek, M Ozawa, Y Hasegawa
Nature Physics 8 (3), 185-189, 2012
Experimental test of quantum contextuality in neutron interferometry
H Bartosik, J Klepp, C Schmitzer, S Sponar, A Cabello, H Rauch, ...
Physical review letters 103 (4), 040403, 2009
Observation of a quantum Cheshire Cat in a matter-wave interferometer experiment
T Denkmayr, H Geppert, S Sponar, H Lemmel, A Matzkin, J Tollaksen, ...
Nature communications 5 (1), 4492, 2014
Violation of Heisenberg's error-disturbance uncertainty relation in neutron-spin measurements
G Sulyok, S Sponar, J Erhart, G Badurek, M Ozawa, Y Hasegawa
Physical Review A 88 (2), 022110, 2013
Experimental demonstration of direct path state characterization by strongly measuring weak values in a matter-wave interferometer
T Denkmayr, H Geppert, H Lemmel, M Waegell, J Dressel, Y Hasegawa, ...
Physical Review Letters 118 (1), 010402, 2017
Experimental Test of Entropic Noise-Disturbance Uncertainty Relations for Spin- Measurements
G Sulyok, S Sponar, B Demirel, F Buscemi, MJW Hall, M Ozawa, ...
Physical Review Letters 115 (3), 030401, 2015
Fundamental phenomena of quantum mechanics explored with neutron interferometers
J Klepp, S Sponar, Y Hasegawa
Progress of Theoretical and Experimental Physics 2014 (8), 2014
Engineering of triply entangled states in a single-neutron system
Y Hasegawa, R Loidl, G Badurek, K Durstberger-Rennhofer, S Sponar, ...
Physical Review A 81 (3), 032121, 2010
Weak values obtained in matter-wave interferometry
S Sponar, T Denkmayr, H Geppert, H Lemmel, A Matzkin, J Tollaksen, ...
Physical Review A 92 (6), 062121, 2015
Geometric phase in entangled systems: A single-neutron interferometer experiment
S Sponar, J Klepp, R Loidl, S Filipp, K Durstberger-Rennhofer, ...
Physical Review A 81 (4), 042113, 2010
Observation of nonadditive mixed-state phases with polarized neutrons
J Klepp, S Sponar, S Filipp, M Lettner, G Badurek, Y Hasegawa
Physical review letters 101 (15), 150404, 2008
Noncyclic Pancharatnam phase for mixed state SU (2) evolution in neutron polarimetry
J Klepp, S Sponar, Y Hasegawa, E Jericha, G Badurek
Physics Letters A 342 (1-2), 48-52, 2005
Multifold paths of neutrons in the three-beam interferometer detected by a tiny energy kick
H Geppert-Kleinrath, T Denkmayr, S Sponar, H Lemmel, T Jenke, ...
Physical Review A 97 (5), 052111, 2018
Coherent energy manipulation in single-neutron interferometry
S Sponar, J Klepp, R Loidl, S Filipp, G Badurek, Y Hasegawa, H Rauch
Physical Review A 78 (6), 061604, 2008
Experimental Test of Residual Error-Disturbance Uncertainty Relations for Mixed Spin-½ States
B Demirel, S Sponar, G Sulyok, M Ozawa, Y Hasegawa
Physical Review Letters 117 (14), 140402, 2016
Confined contextuality in neutron interferometry: Observing the quantum pigeonhole effect
M Waegell, T Denkmayr, H Geppert, D Ebner, T Jenke, Y Hasegawa, ...
Physical Review A 96 (5), 052131, 2017
Improvement of the polarized neutron interferometer setup demonstrating violation of a Bell-like inequality
H Geppert, T Denkmayr, S Sponar, H Lemmel, Y Hasegawa
Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2014
Falsification of Leggett's model using neutron matter waves
Y Hasegawa, C Schmitzer, H Bartosik, J Klepp, S Sponar, ...
New Journal of Physics 14 (2), 023039, 2012
Measurement of the spin–rotation coupling in neutron polarimetry
B Demirel, S Sponar, Y Hasegawa
New Journal of Physics 17 (2), 023065, 2015
Zero-field and Larmor spinor precessions in a neutron polarimeter experiment
S Sponar, J Klepp, G Badurek, Y Hasegawa
Physics Letters A 372 (18), 3153-3156, 2008
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