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Exploration of Novel Quantum Spin Liquid Materials
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Exploration of Novel Quantum Spin Liquid Materials

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

Deadline for manuscript submissions: closed (10 January 2023) | Viewed by 2785

Special Issue Editor

Dr. Jie Ma

E-Mail Website
Guest Editor
School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: spin-orbital coupling; quantum magnetism; thermal conductivity; electron–phonon interaction; neutron scattering

Special Issue Information

Dear Colleagues,

Since the term of resonating valence-bond (RVB) was first introduced by P. W. Anderson to explain the superconductor in 1987, the quatum spin liquid (QSL) states and related low-energy physics have been a long-sought goal in condensed matter physics and are believed to cause many exotic behaviors, such as the significant magnetocaloric effect produced in the spin frustration system and the topological protection of long-range quantum entanglement. Although different models have been proposed by theorists, the progress of experimental research is relatively slow due to the limited QSL materials. In the past decade, with the development of material design, growth technology, and characterizing instruments, breakthroughs have been made in experiments. However, novel multi-body effects and urgent scientific problems have emerged in theoretical calculation, material exploration, and physical property characterization.

This Special Issue will compile recent developments in the field of QSL. The articles will cover various topics, ranging from but not limited to theoretical simulation, sample synthesis, bulk properties characterization, and dynamics measurements.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Dr. Jie Ma
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. Materials is an international peer-reviewed open access semimonthly 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 2600 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

  • spin–orbital coupling
  • quantum fluctuation
  • frustrated compound
  • quantum spin liquid
  • kitaev system
  • quantum magnetism
  • magnetic anisotropy
  • spin chain

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Published Papers (1 paper)

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Review

25 pages, 1420 KiB  
Review
Strongly Correlated Quantum Spin Liquids versus Heavy Fermion Metals: A Review
by Vasily R. Shaginyan, Alfred Z. Msezane, George S. Japaridze, Stanislav A. Artamonov and Yulya S. Leevik
Materials 2022, 15(11), 3901; https://doi.org/10.3390/ma15113901 - 30 May 2022
Cited by 2 | Viewed by 2283
Abstract
This review considers the topological fermion condensation quantum phase transition (FCQPT) that explains the complex behavior of strongly correlated Fermi systems, such as frustrated insulators with quantum spin liquid and heavy fermion metals. The review contrasts theoretical consideration with recent experimental data collected [...] Read more.
This review considers the topological fermion condensation quantum phase transition (FCQPT) that explains the complex behavior of strongly correlated Fermi systems, such as frustrated insulators with quantum spin liquid and heavy fermion metals. The review contrasts theoretical consideration with recent experimental data collected on both heavy fermion metals (HF) and frustrated insulators. Such a method allows to understand experimental data. We also consider experimental data collected on quantum spin liquid in Lu3Cu2Sb3O14 and quasi-one dimensional (1D) quantum spin liquid in both YbAlO3 and Cu(C4H4N2)(NO3)2 with the aim to establish a sound theoretical explanation for the observed scaling laws, Landau Fermi liquid (LFL) and non-Fermi-liquid (NFL) behavior exhibited by these frustrated insulators. The recent experimental data on the heavy-fermion metal α−YbAl1−xFexB4, with x=0.014, and on its sister compounds β−YbAlB4 and YbCo2Ge4, carried out under the application of magnetic field as a control parameter are analyzed. We show that the thermodynamic and transport properties as well as the empirical scaling laws follow from the fermion condensation theory. We explain how both the similarity and the difference in the thermodynamic and transport properties of α−YbAl1−xFexB4 and in its sister compounds β−YbAlB4 and YbCo2Ge4 emerge, as well as establish connection of these (HF) metals with insulators Lu3Cu2Sb3O14, Cu(C4H4N2)(NO3)2 and YbAlO3. We demonstrate that the universal LFL and NFL behavior emerge because the HF compounds and the frustrated insulators are located near the topological FCQPT or are driven by the application of magnetic fields. Full article
(This article belongs to the Special Issue Exploration of Novel Quantum Spin Liquid Materials)
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