Proposal to observe paths superpositions in a double-slit setup

• URL: http://arxiv.org/abs/2112.10865v2
• Date: Mon, 30 May 2022 14:53:40 GMT
• Title: Proposal to observe paths superpositions in a double-slit setup
• Authors: Q. Duprey and A. Matzkin
• Abstract summary: A quantum particle in Young's double-slit setup is attributed to the particle's wavefunction having gone through both slits. In the path integral formulation, this interference involves a superposition of paths, going through either slit, linking the source to the detection point. We show how these paths superpositions can in principle be observed by implementing a series of minimally-perturbing weak measurements.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The interference pattern produced by a quantum particle in Young's double-slit setup is attributed to the particle's wavefunction having gone through both slits. In the path integral formulation, this interference involves a superposition of paths, going through either slit, linking the source to the detection point. We show how these paths superpositions can in principle be observed by implementing a series of minimally-perturbing weak measurements between the slits and the detection plane. We further propose a simplified protocol in order to observe these "weak trajectories" with single photons.

Related papers

• Higher order weak values for paths in nested Mach-Zender interferometers [0.0]
  We consider weak values in the Feynman propagator framework. We examine the phenomenon of seemingly discontinuous paths that particles take in nested Mach-Zender interferometer experiments.
  arXiv  Detail & Related papers  (2024-07-09T16:04:05Z)
• Dynamics, locality and weak measurements: trajectories and which-way information in the case of a simplified double-slit setup [0.0]
  Recent works have revisited the possibility of acquiring which-way information based on weak measurements. We investigate a simplified double-slit setup by including weakly coupled pointers. We examine how the information provided by the weak pointers can be interpreted to infer the dynamics within a local picture.
  arXiv  Detail & Related papers  (2024-03-15T11:00:30Z)
• Young's Double-Slit Interference Demonstration with Single Photons [0.0]
  The interference of single photons going through a double slit is a compelling demonstration of the wave and particle nature of light. We present a tabletop laboratory arrangement suitable for the undergraduate instruction laboratory that overcomes these challenges.
  arXiv  Detail & Related papers  (2024-01-04T16:46:57Z)
• Entanglement-induced collective many-body interference [62.22849132943891]
  We propose an interferometric setting through which N-particle interference can be observed, while any interference of lower orders is strictly suppressed. We experimentally demonstrate this effect in a four-photon interferometer, where the interference is nonlocal, in principle. A joint detection of all four photons identifies a high-visibility interference pattern varying as a function of their collective four-particle phase, a genuine four-body property.
  arXiv  Detail & Related papers  (2023-10-12T18:00:02Z)
• Dissipative stabilization of maximal entanglement between non-identical emitters via two-photon excitation [49.1574468325115]
  Two non-identical quantum emitters, when placed within a cavity and coherently excited at the two-photon resonance, can reach stationary states of nearly maximal entanglement. We show that this mechanism is merely one among a complex family of phenomena that can generate both stationary and metastable entanglement when driving the emitters at the two-photon resonance.
  arXiv  Detail & Related papers  (2023-06-09T16:49:55Z)
• Linear and angular momenta of photons in the context of "which path" experiments of quantum mechanics [0.0]
  This paper examines the arguments that relate the photon momenta to the "which path" question at the heart of quantum mechanics. We show that the linear momenta imparted to apertures or mirrors, or the angular momenta picked up by strategically placed wave-plates, could lead to an identification of the photon's path only at the expense of destroying the corresponding interference effects.
  arXiv  Detail & Related papers  (2022-10-04T20:27:45Z)
• Tunneling Gravimetry [58.80169804428422]
  We examine the prospects of utilizing matter-wave Fabry-P'erot interferometers for enhanced inertial sensing applications. Our study explores such tunneling-based sensors for the measurement of accelerations in two configurations.
  arXiv  Detail & Related papers  (2022-05-19T09:22:11Z)
• Probing particle-particle correlation in harmonic traps with twisted light [0.0]
  We explore the potential of twisted light as a tool to unveil many-body effects in parabolically confined systems. We demonstrate the ability of the proposed twisted light probe to capture the transition of interacting fermions into a strongly correlated regime. These features, observed in exact calculations for two electrons, are reproduced in adiabatic Time Dependent Density Functional Theory simulations.
  arXiv  Detail & Related papers  (2021-05-12T16:07:59Z)
• Observation-dependent suppression and enhancement of two-photon coincidences by tailored losses [68.8204255655161]
  Hong-Ou-Mandel (HOM) effect can lead to a perfect suppression of two-particle coincidences between the output ports of a balanced beam splitter. In this work, we demonstrate experimentally that the two-particle coincidence statistics of two bosons can instead be seamlessly tuned to substantial enhancement. Our findings reveal a new approach to harnessing non-Hermitian settings for the manipulation of multi-particle quantum states.
  arXiv  Detail & Related papers  (2021-05-12T06:47:35Z)
• Entanglement dynamics in dissipative photonic Mott insulators [62.997667081978825]
  In spite of particle losses the quantum entanglement propagation exhibits a ballistic character with propagation speeds related to the differerent quasiparticles that are involved in the dynamics. Our analysis reveals that photon dissipation has a strikingly asymmetric behavior in the two configurations with a much more dramatic role on the holon entanglement propagation than for the doublon case.
  arXiv  Detail & Related papers  (2020-04-27T15:48:24Z)
• Theory of waveguide-QED with moving emitters [68.8204255655161]
  We study a system composed by a waveguide and a moving quantum emitter in the single excitation subspace. We first characterize single-photon scattering off a single moving quantum emitter, showing both nonreciprocal transmission and recoil-induced reduction of the quantum emitter motional energy.
  arXiv  Detail & Related papers  (2020-03-20T12:14:10Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.