Semiconductor and Superconductor Quantum Devices

A special issue of Quantum Reports (ISSN 2624-960X).

Deadline for manuscript submissions: 10 January 2025 | Viewed by 3515

Special Issue Editors


E-Mail Website
Guest Editor
Laboratory of Dynamics of Electronic Processes in Hybrid Structures, Kyiv Academic University, 03142 Kyiv, Ukraine
Interests: quantum devices; superconductivity; novel quantum materials

E-Mail Website1 Website2
Co-Guest Editor
1. Institute of Physics, Lodz University of Technology, Wolczanska, 90-451 Lodz, Poland
2. Quantum Hardware Systems (CEO), ul. Babickiego 10/195, 94-056 Lodz, Poland
Interests: quantum hardware and software; josephson junctions and q-dots; programmable q-matter, q-AI, q-ALife, hybrid classical-quantum devices

Special Issue Information

Dear Colleagues,

Superconductivity is itself a macroscopic quantum phenomenon with such unique features as dissipationless current flow, ideal diamagnetism, magnetic flux quantization, and Cooper pair tunneling. Using advanced thin-film technologies and combining superconductors and materials with distinct electron orderings, we are able to create devices that behave entirely quantum-mechanically. Reproducibility, scalability, and controllability of the hybrid quantum systems allow studying complex quantum phenomena and engineering a variety of quantum circuits whose key parameters, such as energy scales, coupling strengths, and/or operation frequencies may be adjusted with a required precision. At present, superconducting quantum devices are regarded as an outstanding playground for investigating new physics under well-defined boundary conditions.

In the Special Issue, we expect to present a wide panorama of various superconductor-based devices, especially those that are micro- or nano-fabricated and operate at or near the quantum regime. The Special Issue will include experimental and theoretical works dealing with ordinary Josephson junctions playing for superconducting circuitry the same role as transistors for modern semiconductor devices, quantum materials for their fabrication, different kinds of digital setups ranging from quantum bits for quantum information experiments to the most sensitive wideband sensors, and novel ideas concerning their implementation in industry. We also concentrate on hybrid classical-quantum hardware implementing classical-quantum algorithms as well as on interface between superconducting and semiconductor electronics. Special attention is paid to quantum gates and quantum neural network implementation in hardware and in software.

We are pleased to invite you to this year's HyperComplex Seminar 2024 conference on September 14–18 at the Lodz University of Technology. HyperComplex Seminar 2024 is a conference in mathematical physics and complex and quaternion analysis, also relating to the applicability of various mathematical structures in broadly understood technology such as Classical and Quantum Computer Science, Electronics, Quantum Chemistry, AI, etc.

The conference is free of charge and will take place in the Arena Magica auditorium at the Institute of Physics in Building B14. Registration is available by sending an e-mail to or to . Online participation is possible after contacting the co-organizers Krzysztof Pomorski or Mariusz Zubert. Students are welcome to present their lectures or lecture proposals.

See you at the HyperComplex Seminar 2024 conference!

http://www.hypercomplexseminar.com/

Prof. Dr. Mikhail Belogolovskii
Dr. Krzysztof Pomorski
Guest Editors

Manuscript Submission Information

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Keywords

  • Josephson junctions and SQUIDs
  • quantum materials and programmable quantum matter
  • digital superconducting electronics
  • superconducting quantum computing and quantum simulation
  • quantum sensing, metrology and imaging
  • hybrid superconductor-semiconductor devices in classical/quantum information processing
  • superconducting and semiconductor quantum dots
  • quantum gates, neural networks and quantum AI
  • industrial applications

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Published Papers (1 paper)

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Research

10 pages, 3956 KiB  
Article
Ring and Linear Structures of CdTe Clusters
by Andrii Kashuba, Ihor Semkiv, Myron Rudysh, Hryhorii Ilchuk and Pavlo Shchepanskyi
Quantum Rep. 2024, 6(3), 349-358; https://doi.org/10.3390/quantum6030022 - 30 Jun 2024
Viewed by 1047
Abstract
We report the results of an ab initio study of the linear and ring structures of cadmium telluride clusters [CdTe]n (CdnTen) n ≤ 10 within the generalized gradient approximation (GGA) and Purdue–Burke–Ernzerhof (PBE) parameterization with Hubbard corrections (GGA+ [...] Read more.
We report the results of an ab initio study of the linear and ring structures of cadmium telluride clusters [CdTe]n (CdnTen) n ≤ 10 within the generalized gradient approximation (GGA) and Purdue–Burke–Ernzerhof (PBE) parameterization with Hubbard corrections (GGA+U). We optimized the linear and ring isomers for each size to obtain the lowest-energy structures and to understand their growth behavior. The cases of n < 8 for ring-type structures and n = 6 and 9 for linear-type structures were found to be the most favorable. All observed clusters with a linear structure were found to have a small highest-occupied–lowest-unoccupied molecular orbital (HOMO–LUMO) gap. The CdTe clusters with ring structure showed larger values of the HOMO–LUMO gaps than the band gap value for the bulk crystal. Structural and electronic properties like bond length, the HOMO–LUMO gap, binding energy, and electronegativity were analyzed. Full article
(This article belongs to the Special Issue Semiconductor and Superconductor Quantum Devices)
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