The simplest double slit: interference and entanglement in double photoionization of H2. Akoury, D, Kreidi, K, Jahnke, T, Weber, T., Staudte, A, Schöffler, M, Neumann, N, Titze, J, Schmidt, L P. H, Czasch, A, Jagutzki, O, Costa Fraga, R A, Grisenti, R E, Díez Muiño, R, Cherepkov, N A, Semenov, S K, Ranitovic, P, Cocke, C L, Osipov, T, Adaniya, H, Thompson, J C, Prior, M H, Belkacem, A, Landers, A L, Schmidt-Böcking, H, & Dörner, R Science, 318(5852):949–952, 2007. Publisher: Institut für Kernphysik, University Frankfurt, Max von Laue Str 1, D-60438 Frankfurt, Germany.![The simplest double slit: interference and entanglement in double photoionization of H2. [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex The wave nature of particles is rarely observed, in part because of their very short de Broglie wavelengths in most situations. However, even with wavelengths close to the size of their surroundings, the particles couple to their environment (for example, by gravity, Coulomb interaction, or thermal radiation). These couplings shift the wave phases, often in an uncontrolled way, and the resulting decoherence, or loss of phase integrity, is thought to be a main cause of the transition from quantum to classical behavior. How much interaction is needed to induce this transition? Here we show that a photoelectron and two protons form a minimum particle/slit system and that a single additional electron constitutes a minimum environment. Interference fringes observed in the angular distribution of a single electron are lost through its Coulomb interaction with a second electron, though the correlated momenta of the entangled electron pair continue to exhibit quantum interference.
@article{Akoury2007,
title = {The simplest double slit: interference and entanglement in double photoionization of {H2}.},
volume = {318},
url = {http://www.ncbi.nlm.nih.gov/pubmed/17991857},
abstract = {The wave nature of particles is rarely observed, in part because of their very short de Broglie wavelengths in most situations. However, even with wavelengths close to the size of their surroundings, the particles couple to their environment (for example, by gravity, Coulomb interaction, or thermal radiation). These couplings shift the wave phases, often in an uncontrolled way, and the resulting decoherence, or loss of phase integrity, is thought to be a main cause of the transition from quantum to classical behavior. How much interaction is needed to induce this transition? Here we show that a photoelectron and two protons form a minimum particle/slit system and that a single additional electron constitutes a minimum environment. Interference fringes observed in the angular distribution of a single electron are lost through its Coulomb interaction with a second electron, though the correlated momenta of the entangled electron pair continue to exhibit quantum interference.},
number = {5852},
journal = {Science},
author = {Akoury, D and Kreidi, K and Jahnke, T and Weber, Th and Staudte, A and Schöffler, M and Neumann, N and Titze, J and Schmidt, L Ph H and Czasch, A and Jagutzki, O and Costa Fraga, R A and Grisenti, R E and Díez Muiño, R and Cherepkov, N A and Semenov, S K and Ranitovic, P and Cocke, C L and Osipov, T and Adaniya, H and Thompson, J C and Prior, M H and Belkacem, A and Landers, A L and Schmidt-Böcking, H and Dörner, R},
year = {2007},
pmid = {17991857},
note = {Publisher: Institut für Kernphysik, University Frankfurt, Max von Laue Str 1, D-60438 Frankfurt, Germany.},
keywords = {\#nosource},
pages = {949--952},
}
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