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Advanced Materials with Strong Electron Correlations

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: 20 November 2025 | Viewed by 1523

Special Issue Editors


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Guest Editor
Jeremiah Horrocks Institute for Mathematics, Physics and Astronomy, University of Central Lancashire, Preston PR1 2HE, UK
Interests: correlated electron materials; strong electronic correlations; electronic band structure of solids

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Guest Editor
Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK
Interests: strongly correlated electron systems

Special Issue Information

Dear Colleagues,

Advanced materials with strong electron correlations, such as high-temperature superconductors and quantum materials, are a fascinating area of research in condensed matter physics. These materials exhibit unique properties due to the interactions between electrons, leading to exotic phenomena such as unconventional superconductivity, giant magnetoresistance, and metal–insulator transitions. Understanding and controlling these electron correlations is crucial for the development of new technologies in fields such as electronics, energy storage, and quantum computing.

Researchers are exploring various theoretical and experimental approaches to study these materials, including using advanced spectroscopic techniques, quantum simulations, and ultrafast laser measurements. By gaining insights into the underlying physics of strong electron correlations, scientists aim to design and engineer materials with tailored properties for specific applications.

Overall, the study of advanced materials with strong electron correlations holds great promise for both practical applications and fundamental science, opening up new avenues for technological innovation and discovery in the field of condensed matter physics.

Dr. Monika Gamża
Dr. Jiasheng Chen
Guest Editors

Manuscript Submission Information

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Keywords

  • correlated electrons
  • crystal and electronic structures
  • crystal growth
  • magnetic materials
  • electronic band structure of solids
  • material characterization

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Published Papers (1 paper)

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Review

13 pages, 356 KiB  
Review
Bose Metals, from Prediction to Realization
by M. C. Diamantini and C. A. Trugenberger
Materials 2024, 17(19), 4924; https://doi.org/10.3390/ma17194924 - 9 Oct 2024
Viewed by 946
Abstract
Bose metals are metals made of Cooper pairs, which form at very low temperatures in superconducting films and Josephson junction arrays as an intermediate phase between superconductivity and superinsulation. We predicted the existence of this 2D metallic phase of bosons in the mid [...] Read more.
Bose metals are metals made of Cooper pairs, which form at very low temperatures in superconducting films and Josephson junction arrays as an intermediate phase between superconductivity and superinsulation. We predicted the existence of this 2D metallic phase of bosons in the mid 1990s, showing that they arise due to topological quantum effects. The observation of Bose metals in perfectly regular Josephson junction arrays fully confirms our prediction and rules out alternative models based on disorder. Here, we review the basic mechanism leading to Bose metals. The key points are that the relevant vortices in granular superconductors are core-less, mobile XY vortices which can tunnel through the system due to quantum phase slips, that there is no charge-phase commutation relation preventing such vortices from being simultaneously out of condensate with charges, and that out-of-condensate charges and vortices are subject to topological mutual statistics interactions, a quantum effect that dominates at low temperatures. These repulsive mutual statistics interactions are sufficient to increase the energy of the Cooper pairs and lift them out of condensate. The result is a topological ground state in which charge conduction along edges and vortex movement across them organize themselves so as to generate the observed metallic saturation at low temperatures. This state is known today as a bosonic topological insulator. Full article
(This article belongs to the Special Issue Advanced Materials with Strong Electron Correlations)
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