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Proposed experiment of local momentum transfer in Young's double slit

Masanori Sato

Published Jun 1, 2004• 1 citation
OpenAlex

Abstract

The momentum of a photon may reveal the answer to the "which way" problem of Young's double slit experiments. A photon passing through the boundary between two media, in which a photon travels at different velocities, undergoes a momentum change according to the law of conservation of momentum. The momentum of the photon is transferred locally to the medium, and the boundary between the media receives stress, which determines the photon trajectory. An experiment is performed using a crystal plate that can transform the stress to electric charge. We are able to detect the electric charge after the detection of the photon on the screen, and control the sensitivity of photon detection. By means of this proposed experiment it is determined whether or not an attempt to detect the "which way" of photon travel destroys the interference patterns.

Related papers

Proposed experiment of which-way detection by longitudinal momentum transfer in Young's double slit experiment

Masanori Sato

The momentum of a photon may reveal the answer to the "which way" problem of Young's double slit experiments. A photon passing through the boundary between two media, in which a photon travels at different velocities, undergoes a momentum change according to the law of conservation of momentum. The momentum of the photon is transferred locally to the medium, and the boundary between the media receives stress, which determines the photon trajectory. An experiment is performed using a crystal plate that can transform the stress to electric charge. We are able to detect the electric charge after the detection of the photon on the screen, and control the sensitivity of photon detection. By means of this proposed experiment it is determined whether or not an attempt to detect the "which way" of photon travel destroys the interference patterns.

arXiv:quant-ph/0406002•Annales de la fondation Louis de Broglie/Annales de la Fondation Louis de Broglie•Jun 1, 2004•0 citations

Partial Interference Pattern --- Photons Propagating Along Straight-Lines in Double Slit Experiment

Hui Hua Peng

Young’s double slit experiments have been interpretated by the optical wave theory. The observation of the wave behavior of the light near the detecting screen has long history. Recently we have shown the particle nature of the light near the detecting screen (the far field) in the wave experiments. In this article, we place two shields near the double slit to explore the nature of light. The experiment shows that, near the double slit, the light behaves as photons, propagates along the straight-line trajectories. The portion of the light, which directly passing through the channel formed by Shield-1 and Shield-2, produces the interference pattern at the central portion of the pattern. While the portions of the light, which are reflected multi-times by Shield-1 and Shield-2 respectively, produce the left pattern and the right pattern at the left-side and the right-side of the interference pattern respectively. The left pattern and the right pattern are not interference pattern. This novel double slit experiments provide comprehensive phenomena for further developing the theory to interpret the experiments.

•Nov 1, 2022•0 citations

Partial Interference Pattern --- Photons Propagating Along Straight-Lines in Double Slit Experiment

hui peng

Young’s double slit experiments have been interpretated by the optical wave theory. The observation of the wave behavior of the light near the detecting screen has long history. Recently we have shown the particle nature of the light near the detecting screen (the far field) in the wave experiments. In this article, we place two shields near the double slit to explore the nature of light. The experiment shows that, near the double slit, the light behaves as photons, propagates along the straight-line trajectories. The portion of the light, which directly passing through the channel formed by Shield-1 and Shield-2, produces the interference pattern at the central portion of the pattern. While the portions of the light, which are reflected multi-times by Shield-1 and Shield-2 respectively, produce the left pattern and the right pattern at the left-side and the right-side of the interference pattern respectively. The left pattern and the right pattern are not interference pattern. This novel double slit experiments provide comprehensive phenomena for further developing the theory to interpret the experiments.

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Entangled Photon Pairs and Young’s Experiment

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Bohm’s variation of the Einstein-Podolsky-Rosen thought experiment may be used to reveal the path a photon travels in Young’s experiment without destroying the observed interference pattern. Photons emitted by a light-source with zero spin are incident on a screen with two narrow slits separated by a small distance, with antiparallel polarized photonic spin filters placed in front of both slits. It follows that the slit through which an incident photon passed to form an interference pattern can be determined by performing an intermediate delayed choice measurement. This experimental probe is ideal for penetrating the shroud of mystery surrounding the wave-particle duality exhibited by quantum phenomena.

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Two-photon double-slit interference experiment

C. K. Hong, Tae-Gon Noh

We report a two-photon double-slit interference experiment. Two correlated photons, generated by spontaneous parametric downconversion and traveling in different directions, are made to pass through a double slit in such a way that the path of one photon can be identified with that of the other photon. No single-photon interference pattern is observed even if the path is not actually identified, but a spatial interference pattern appears in the joint detection counting rates of the photon pairs. It can easily be shown that these nonlocal phenomena cannot be exhibited by any kind of classical field.

Journal of the Optical Society of America B•Mar 1, 1998•29 citations

Double-slit experiment in momentum space

Igor P Ivanov, D. Seipt, A. Surzhykov +1 more

Young's classic double-slit experiment demonstrates the reality of interference when waves and particles travel simultaneously along two different spatial paths. Here, we propose a double-slit experiment in momentum space, realized in the free-space elastic scattering of vortex electrons. We show that this process proceeds along two paths in momentum space, which are well localized and well separated from each other. For such vortex beams, the (plane-wave) amplitudes along the two paths acquire adjustable phase shifts and produce interference fringes in the final angular distribution. We argue that this experiment can be realized with the present-day technology. We show that it gives experimental access to the Coulomb phase, a quantity which plays an important role in all charged particle scattering but which usual scattering experiments are insensitive to.

arXiv:1606.04732•Europhysics Letters (EPL)•Aug 1, 2016•14 citations
The momentum of a photon may reveal the answer to the "which way" problem of Young's double slit experiments. A photon passing through the boundary between two media, in which a photon travels at different velocities, undergoes a momentum change according to the law of conservation of momentum. The momentum of the photon is transferred locally to the medium, and the boundary between the media receives stress, which determines the photon trajectory. An experiment is performed using a crystal plate that can transform the stress to electric charge. We are able to detect the electric charge after the detection of the photon on the screen, and control the sensitivity of photon detection. By means of this proposed experiment it is determined whether or not an attempt to detect the "which way" of photon travel destroys the interference patterns.
The momentum of a photon may reveal the answer to the "which way" problem of Young's double slit experiments. A photon passing through the boundary between two media, in which a photon travels at different velocities, undergoes a momentum change according to the law of conservation of momentum. The momentum of the photon is transferred locally to the medium, and the boundary between the media receives stress, which determines the photon trajectory. An experiment is performed using a crystal plate that can transform the stress to electric charge. We are able to detect the electric charge after the detection of the photon on the screen, and control the sensitivity of photon detection. By means of this proposed experiment it is determined whether or not an attempt to detect the "which way" of photon travel destroys the interference patterns.
Young’s double slit experiments have been interpretated by the optical wave theory. The observation of the wave behavior of the light near the detecting screen has long history. Recently we have shown the particle nature of the light near the detecting screen (the far field) in the wave experiments. In this article, we place two shields near the double slit to explore the nature of light. The experiment shows that, near the double slit, the light behaves as photons, propagates along the straight-line trajectories. The portion of the light, which directly passing through the channel formed by Shield-1 and Shield-2, produces the interference pattern at the central portion of the pattern. While the portions of the light, which are reflected multi-times by Shield-1 and Shield-2 respectively, produce the left pattern and the right pattern at the left-side and the right-side of the interference pattern respectively. The left pattern and the right pattern are not interference pattern. This novel double slit experiments provide comprehensive phenomena for further developing the theory to interpret the experiments.
Young’s double slit experiments have been interpretated by the optical wave theory. The observation of the wave behavior of the light near the detecting screen has long history. Recently we have shown the particle nature of the light near the detecting screen (the far field) in the wave experiments. In this article, we place two shields near the double slit to explore the nature of light. The experiment shows that, near the double slit, the light behaves as photons, propagates along the straight-line trajectories. The portion of the light, which directly passing through the channel formed by Shield-1 and Shield-2, produces the interference pattern at the central portion of the pattern. While the portions of the light, which are reflected multi-times by Shield-1 and Shield-2 respectively, produce the left pattern and the right pattern at the left-side and the right-side of the interference pattern respectively. The left pattern and the right pattern are not interference pattern. This novel double slit experiments provide comprehensive phenomena for further developing the theory to interpret the experiments.
Bohm’s variation of the Einstein-Podolsky-Rosen thought experiment may be used to reveal the path a photon travels in Young’s experiment without destroying the observed interference pattern. Photons emitted by a light-source with zero spin are incident on a screen with two narrow slits separated by a small distance, with antiparallel polarized photonic spin filters placed in front of both slits. It follows that the slit through which an incident photon passed to form an interference pattern can be determined by performing an intermediate delayed choice measurement. This experimental probe is ideal for penetrating the shroud of mystery surrounding the wave-particle duality exhibited by quantum phenomena.
We report a two-photon double-slit interference experiment. Two correlated photons, generated by spontaneous parametric downconversion and traveling in different directions, are made to pass through a double slit in such a way that the path of one photon can be identified with that of the other photon. No single-photon interference pattern is observed even if the path is not actually identified, but a spatial interference pattern appears in the joint detection counting rates of the photon pairs. It can easily be shown that these nonlocal phenomena cannot be exhibited by any kind of classical field.
Young's classic double-slit experiment demonstrates the reality of interference when waves and particles travel simultaneously along two different spatial paths. Here, we propose a double-slit experiment in momentum space, realized in the free-space elastic scattering of vortex electrons. We show that this process proceeds along two paths in momentum space, which are well localized and well separated from each other. For such vortex beams, the (plane-wave) amplitudes along the two paths acquire adjustable phase shifts and produce interference fringes in the final angular distribution. We argue that this experiment can be realized with the present-day technology. We show that it gives experimental access to the Coulomb phase, a quantity which plays an important role in all charged particle scattering but which usual scattering experiments are insensitive to.