Controlled double-slit electron diffraction

  title={Controlled double-slit electron diffraction},
  author={Roger A. Bach and Damian Pope and Sy-Hwang Liou and Herman Batelaan},
  journal={New Journal of Physics},
Double-slit diffraction is a corner stone of quantum mechanics. It illustrates key features of quantum mechanics: interference and the particle-wave duality of matter. In 1965, Richard Feynman presented a thought experiment to show these features. Here we demonstrate the full realization of his famous thought experiment. By placing a movable mask in front of a double-slit to control the transmission through the individual slits, probability distributions for single- and double-slit arrangements… 
Quantum double-double-slit experiment with momentum entangled photons
It is shown experimentally and theoretically that two-photon quantum interference disappears when the which-slit path of a photon in the double- Double-Slit is detected.
The Young-Feynman controlled double-slit electron interference experiment
The original Feynman proposal in a modern electron microscope equipped with a high brightness gun and two biprisms, with one of the biprism used as a mask is realized, in which interference phenomena due to partial overlap of the slits are observed in the image plane.
Electron interference experiment with optically zero propagation distance for V-shaped double slit
In an electron double-slit experiment, an optically zero propagation distance condition (infocus imaging condition), in which the double-slit position was imaged just on the detector plane (image
Interference with electrons: from thought to real experiments
  • G. Matteucci
  • Physics, Education
    Iberoamerican Meeting of Optics and the Latin American Meeting of Optics, Lasers and Their Applications
  • 2013
The two-slit interference experiment is usually adopted to discuss the superposition principle applied to radiation and to show the peculiar wave behaviour of material particles. Diffraction and
Momentum exchange in the electron double-slit experiment
We provide support for the claim that momentum is conserved for individual events in the electron double slit experiment. The natural consequence is that a physical mechanism is responsible for this
A possible solution to the which-way problem by asymmetrical double-slit experiments
The recent state-of-the-art double-slit experiments with single electrons and single photons seem to emphasize a contradictable dilemma concerning the ontological physical reality in quantum physics.
Testing Quantum Coherence in Stochastic Electrodynamics with Squeezed Schrödinger Cat States
The interference pattern in electron double-slit diffraction is a hallmark of quantum mechanics. A long-standing question for stochastic electrodynamics (SED) is whether or not it is capable of
Three-dimensional Quantum Slit Diffraction and Diffraction in Time
We derive a self-consistent formula for the quantum propagator of the quantum diffraction by a reflecting (or non-absorbing) screen with an arbitrary aperture, in the transmission region. To achieve
Quantum slit diffraction in space and in time of a Gaussian wave packet and semi-classical approximation
We revisit the famous problem of quantum slit diffraction of a three-dimensional Gaussian wave packet, taking into account the diffraction in time phenomenon for a reflective or absorbing slit. We
Position–momentum correlations in matter waves double-slit experiment
We present a treatment of the double-slit interference of matter-waves represented by Gaussian wavepackets. The interference pattern is modelled with Green's function propagator which emphasizes the


Demonstration of single‐electron buildup of an interference pattern
The wave–particle duality of electrons was demonstrated in a kind of two‐slit interference experiment using an electron microscope equipped with an electron biprism and a position‐sensitive
Nanofabrication and the realization of Feynman’s two-slit experiment
Two nanosized slits are opened by focused ion beam milling in a membrane to observe, with a transmission electron microscope, electron interference fringes. Then, on the same sample, one of the slits
A measurement of electron-wall interactions using transmission diffraction from nanofabricated gratings
Electron diffraction from metal coated freestanding nanofabricated gratings is presented, with a quantitative path integral analysis of the electron-grating interactions. Electron diffraction out to
A wide-angle electron grating bi-prism beam splitter
We demonstrate a wide-angle electron beam splitter capable of producing 1 cm beam separation at the detection plane. The beam splitter utilizes a nanofabricated periodic grating in combination with a
Young’s double-slit interference experiment with electrons
In this short Note we report a method for producing samples containing two nano-sized slits suitable for demonstrating to undergraduate and graduate students the double-slit electron interference
Space-Time Approach to Non-Relativistic Quantum Mechanics
Non-relativistic quantum mechanics is formulated here in a different way. It is, however, mathematically equivalent to the familiar formulation. In quantum mechanics the probability of an event which
The most beautiful experiment...
See "The double-slit experiment" on p15 When I asked readers earlier this year to submit candidates for the "most beautiful experiment in physics" (Physics World May p17), I was pleased to receive
Elektroneninterferenzen an mehreren künstlich hergestellten Feinspalten
A glass plate covered with an evaporated silver film of about 200 å thickness is irradiated by a line-shaped electron-probe in a vacuum of 10−4 Torr. A hydrocarbon polymerisation film of very low
Quantum computing with solids
This research presents a new generation of non-classical quantum algorithms that could allow otherwise intractable problems – such as factoring very large numbers – to be solved.