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Scientific paper - Original scientific paper
A simple experimental checking of Heisenberg's uncertainty relations
Fizika A, 15 (2006), 2; 73-84. urn:nbn:hr:217:952826
Pašić, Selim; Gamulin, Ozren; Tocilj, Zoran

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Pašić, S., Gamulin, O. & Tocilj, Z. (2006). A simple experimental checking of Heisenberg's uncertainty relations. Fizika A, 15. (2), 73-84. Retrieved from https://urn.nsk.hr/urn:nbn:hr:217:952826

Pašić, Selim, et al. "A simple experimental checking of Heisenberg's uncertainty relations." Fizika A, vol. 15, no. 2, 2006, pp. 73-84. https://urn.nsk.hr/urn:nbn:hr:217:952826

Pašić, Selim, Ozren Gamulin and Zoran Tocilj. "A simple experimental checking of Heisenberg's uncertainty relations." Fizika A 15, no. 2 (2006): 73-84. https://urn.nsk.hr/urn:nbn:hr:217:952826

Pašić, S., Gamulin, O. and Tocilj, Z. (2006) 'A simple experimental checking of Heisenberg's uncertainty relations', Fizika A, 15(2), pp. 73-84. Available at: https://urn.nsk.hr/urn:nbn:hr:217:952826 (Accessed 14 November 2024)

Pašić S, Gamulin O, Tocilj Z. A simple experimental checking of Heisenberg's uncertainty relations. Fizika A [Internet]. 2006 [cited 2024 November 14];15(2):73-84. Available at: https://urn.nsk.hr/urn:nbn:hr:217:952826

S. Pašić, O. Gamulin and Z. Tocilj, "A simple experimental checking of Heisenberg's uncertainty relations", Fizika A, vol. 15, no. 2, pp. 73-84, 2006. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:952826. [Accessed: 14 November 2024]

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Metadata
Title (english)A simple experimental checking of Heisenberg's uncertainty relations
AuthorSelim Pašić
AuthorOzren Gamulin
AuthorZoran Tocilj
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
We show that the quantum mechanical interpretation of the diffraction of light on a slit, when a wave function is assigned to a photon, can be used for a direct experimental study of Heisenberg's position-momentum and equivalent position-wave vector uncertainty relation for the photon. Results of an experimental test of the position-wave vector uncertainty relation, where the wavelength is used as the input parameter, are given and they very well confirm our approach. The same experimental results can also be used for a test of the position-momentum uncertainty relation when the momentum p_0 of a photon is known as the input parameter. We show that a measurement of p_0, independent of the knowledge of the value of the Planck's constant, is possible. Using that value of p_0, a test of the position-momentum uncertainty relation could be regarded as a method for a direct measurement of the Planck's constant. This is discussed, since the diffraction pattern is also well described by classical electrodynamics in the considered experimental conditions. This approach for testing the Heisenberg's uncertainty relations is very simple and consequently suitable as a quantitative exercise in undergraduate experimental courses, as well as a visual and attractive demonstration of the Heisenberg's uncertainty principle in courses of quantum mechanics.
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review
Publication versionPublished version
Journal titleFizika A
Numberingvol. 15, no. 2, pp. 73-84
p-ISSN1330-0008
URN:NBNurn:nbn:hr:217:952826
Publication2006
Document URLhttp://fizika.hfd.hr/fizika_a/av06/a15p073.htm
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2019-10-15 15:25:52