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Białynicki-Birula I, Cirone MA, Dahl JP, et al. In- and outbound spreading of a free-particle s-wave. Phys Rev Lett. 2002;89(6):060404doi: 10.1103/PhysRevLett.89.060404.
Białynicki-Birula, I., Cirone, M. A., Dahl, J. P., Fedorov, M., & Schleich, W. P. (2002). In- and outbound spreading of a free-particle s-wave. Physical review letters, 89(6), 060404. https://doi.org/10.1103/PhysRevLett.89.060404
Białynicki-Birula, I, et al. "In- and outbound spreading of a free-particle s-wave." Physical review letters vol. 89,6 (2002): 060404. doi: https://doi.org/10.1103/PhysRevLett.89.060404
Białynicki-Birula I, Cirone MA, Dahl JP, Fedorov M, Schleich WP. In- and outbound spreading of a free-particle s-wave. Phys Rev Lett. 2002 Aug 05;89(6):060404. doi: 10.1103/PhysRevLett.89.060404. Epub 2002 Jul 23. PMID: 12190570.
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Phys Rev Lett. 2002 Aug 05;89(6):060404. doi: 10.1103/PhysRevLett.89.060404. Epub 2002 Jul 23.

In- and outbound spreading of a free-particle s-wave.

Physical review letters

I Białynicki-Birula, M A Cirone, J P Dahl, M Fedorov, W P Schleich

Affiliations

  1. Center for Theoretical Physics, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668, Warsaw, Poland.

PMID: 12190570 DOI: 10.1103/PhysRevLett.89.060404

Abstract

We show that a free quantum particle in two dimensions with zero angular momentum (s wave) in the form of a ring-shaped wave packet feels an attraction towards the center of the ring, leading first to a contraction followed by an expansion. An experiment to demonstrate this effect is also outlined.

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