Cold Atom Physics and Precision Measurements

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: closed (30 November 2024) | Viewed by 3548

Special Issue Editors


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Guest Editor
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
Interests: atomic and molecular physics and quantum optics theory; theory of quantum information and quantum computation; condensed matter theory
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Guest Editor
Department of Physics, Shaanxi University of Science and Technology, Xi'an 710021, China
Interests: ultracold atom and precise measurement physics

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Guest Editor
School of Science, Jiangxi University of Science and Technology, Ganzhou 341000, China
Interests: Bose-Einstein condensates; nonlinear mathematical physical models

Special Issue Information

Dear Colleagues,

With the development of ultracold atom experimental technology, ultracold atoms provide an excellent research platform for many-body quantum physics and quantum precision measurements. Using the well-developed quantum control technology, people can study many novel many-body quantum effects based on ultracold atomic systems, and can prepare and manipulate some non-Gaussian multi-particle entangled states that can be used for quantum precision measurement.

This Special Issue invites contributions reporting on the basic research on of cold atoms and applications in precision measurements. Moreover, contributions should fall within the scope of the journal Symmetry.

Prof. Dr. Wuming Liu
Dr. Xiaofei Zhang
Prof. Dr. Chaofei Liu
Guest Editors

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Keywords

  • cold atoms
  • cold molecules
  • ultracold atoms
  • many-body quantum physics
  • precision measurements

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Published Papers (1 paper)

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Review

24 pages, 1223 KiB  
Review
Current Status and Prospects on High-Precision Quantum Tests of the Weak Equivalence Principle with Cold Atom Interferometry
by Liang Yuan, Jizhou Wu and Sheng-Jun Yang
Symmetry 2023, 15(9), 1769; https://doi.org/10.3390/sym15091769 - 15 Sep 2023
Cited by 2 | Viewed by 2463
Abstract
For a hundred years, general relativity has been the best theory to describe gravity and space–time and has successfully explained many physical phenomena. At the same time, quantum mechanics provides the most accurate description of the microscopic world, and quantum science technology has [...] Read more.
For a hundred years, general relativity has been the best theory to describe gravity and space–time and has successfully explained many physical phenomena. At the same time, quantum mechanics provides the most accurate description of the microscopic world, and quantum science technology has evoked a wide range of developments today. Merging these two very successful theories to form a grand unified theory is one of the most elusive challenges in physics. All the candidate theories that wish to unify gravity and quantum mechanics predict the breaking of the weak equivalence principle, which lies at the heart of general relativity. It is therefore imperative to experimentally verify the equivalence principle in the presence of significant quantum effects of matter. Cold atoms provide well-defined properties and potentially nonlocal correlations as the test masses and will also improve the limits reached by classical tests with macroscopic bodies. The results of rigorous tests using cold atoms may tell us whether and how the equivalence principle can be reformulated into a quantum version. In this paper, we review the principles and developments of the test of the equivalence principle with cold atoms. The status of the experiments and the key techniques involved are discussed in detail. Finally, we give an outlook on new questions and opportunities for further exploration of this topic. Full article
(This article belongs to the Special Issue Cold Atom Physics and Precision Measurements)
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