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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Published on: June 8, 2018

Large quantum superpositions and interference of massive nanometer-sized objects.

O Romero-Isart1, A C Pflanzer, F Blaser

  • 1Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748, Garching, Germany.

Physical Review Letters
|July 30, 2011
PubMed
Summary
This summary is machine-generated.

We developed a new method to create and test quantum superpositions of tiny objects. This research offers new limits for quantum mechanics theories by combining optomechanics and matter-wave experiments.

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Area of Science:

  • Quantum physics
  • Optomechanics
  • Quantum interferometry

Background:

  • Testing fundamental physics requires precise control over quantum systems.
  • Objective collapse models propose modifications to quantum mechanics.
  • Previous experiments have limitations in probing these models at the nanoscale.

Purpose of the Study:

  • To propose a method for preparing and verifying spatial quantum superpositions of nanometer-sized objects.
  • To set unprecedented bounds for objective collapse models.
  • To explore the interplay between quantum mechanics and gravity at the nanoscale.

Main Methods:

  • Merging techniques from cavity quantum optomechanics and matter-wave interferometry.
  • Performing detailed analysis and simulations of the proposed experiment.
  • Accounting for standard sources of decoherence in the experimental setup.

Main Results:

  • A viable experimental proposal for creating quantum superpositions of nanoscopic objects.
  • Identification of an operational parameter regime for the experiment.
  • Demonstration of the feasibility using current and planned technology.

Conclusions:

  • The proposed method offers a novel pathway to test fundamental quantum mechanics.
  • The experiment has the potential to constrain objective collapse models significantly.
  • This work bridges the gap between theoretical proposals and experimental realization in quantum science.