Quantum Technologies with Cold Atoms

A special issue of Atoms (ISSN 2218-2004).

Deadline for manuscript submissions: 15 December 2025 | Viewed by 1112

Special Issue Editor


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Guest Editor
Department of Physics, University of South Alabama, Mobile, AL 36688, USA
Interests: cold rydberg atoms; van der Waals interactions; super-radiance; charge–atom interactions; macroscopic molecules
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Special Issue Information

Dear Colleagues,

In this Special Issue, we invite original research articles and reviews that explore applications in the field of cold atoms. Cold atoms (atoms with a temperature below one milli-Kelvin) have been studied for a few decades since the creation of cold atoms in the 1980s. Cold atoms were first created by magneto-optical traps (MOTs). Further cooling techniques, such as evaporative cooling, can cool their temperature even further, such as to the nano-Kelvin or even the pico-Kelvin range, to obtain BEC (Bose–Einstein condensate). We encourage submissions on technologies based on cold atoms, with the aim of fostering innovation across scientific, technological, and engineering disciplines.

While most of the research has focused on basic physics, there has recently been a growing interest in the practical applications of cold atoms. Cold atom-based technologies, such as cold atom qubits (quantum bits), have evolved significantly over the recent decade. This Special Issue will cover a broad range of topics, including the following:

  • Cold Rydberg atom-based technologies;
  • Cold molecules including cold macroscopic molecules;
  • Qubits;
  • Quantum electronics;
  • Quantum sensing.

We hope this Special Issue will stimulate new ideas and collaborations within the scientific community.

Thank you so much for your consideration, and we look forward to receiving your contributions.

Dr. Jianing Han
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Atoms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1500 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cold rydberg atoms
  • cold macroscopic molecules
  • qubit
  • quantum sensing
  • quantum entanglement

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Published Papers (1 paper)

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Research

13 pages, 1408 KiB  
Article
Cooper Pairs in 2D Trapped Atoms Interacting Through Finite-Range Potentials
by Erick Manuel Pineda-Ríos and Rosario Paredes
Atoms 2025, 13(1), 4; https://doi.org/10.3390/atoms13010004 - 7 Jan 2025
Viewed by 706
Abstract
This work deals with the key constituent behind the existence of superfluid states in ultracold fermionic gases confined in a harmonic trap in 2D, namely, the formation of Cooper pairs in the presence of a Fermi sea in inhomogeneous confinement. For a set [...] Read more.
This work deals with the key constituent behind the existence of superfluid states in ultracold fermionic gases confined in a harmonic trap in 2D, namely, the formation of Cooper pairs in the presence of a Fermi sea in inhomogeneous confinement. For a set of finite-range models representing particle–particle interaction, we first ascertain the simultaneity of the emergence of bound states and the divergence of the s-wave scattering length in 2D as a function of the interaction potential parameters in free space. Then, through the analysis of two particles interacting in 2D harmonic confinement, we evaluate the energy shift with respect to the discrete harmonic oscillator levels for both repulsive and attractive cases. All of these results are the basis for determining the energy gaps of Cooper pairs arising from two particles interacting in the presence of a Fermi sea consisting of particles immersed in a 2D harmonic trap. Full article
(This article belongs to the Special Issue Quantum Technologies with Cold Atoms)
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