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Zeitschriftenartikel zum Thema „Quantum magnetisms“

Autor: Grafiati

Veröffentlicht am 23. November 2024

Zuletzt aktualisiert am 31. Juli 2025

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1

Stewart, A. M. "Gauge Invariant Magnetism." Australian Journal of Physics 50, no. 6 (1997): 1061. http://dx.doi.org/10.1071/p97024.

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An introduction is given to features of gauge invariance in classical and quantum mechanics that are of importance for magnetism in condensed matter systems. A version of quantum mechanics is described in which full electromagnetic gauge arbitrariness is displayed explicitly at every stage. The division of orbital magnetism into paramagnetism and diamagnetism is examined and it is shown that only by treating both of these on an equal footing can a gauge invariant treatment of magnetism be constructed.

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2

Osborne, Ian S. "Cooperative quantum magnetism." Science 361, no. 6404 (2018): 763.14–765. http://dx.doi.org/10.1126/science.361.6404.763-n.

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3

Freeman, Arthur J., and Kohji Nakamura. "Computational quantum magnetism: Role of noncollinear magnetism." Journal of Magnetism and Magnetic Materials 321, no. 7 (2009): 894–98. http://dx.doi.org/10.1016/j.jmmm.2008.11.107.

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4

Slot, M. R., Y. Maximenko, P. M. Haney, et al. "A quantum ruler for orbital magnetism in moiré quantum matter." Science 382, no. 6666 (2023): 81–87. http://dx.doi.org/10.1126/science.adf2040.

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For almost a century, magnetic oscillations have been a powerful “quantum ruler” for measuring Fermi surface topology. In this study, we used Landau-level spectroscopy to unravel the energy-resolved valley-contrasting orbital magnetism and large orbital magnetic susceptibility that contribute to the energies of Landau levels of twisted double-bilayer graphene. These orbital magnetism effects led to substantial deviations from the standard Onsager relation, which manifested as a breakdown in scaling of Landau-level orbits. These substantial magnetic responses emerged from the nontrivial quantum

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5

Sachdev, Subir. "Quantum magnetism and criticality." Nature Physics 4, no. 3 (2008): 173–85. http://dx.doi.org/10.1038/nphys894.

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6

Inosov, D. S. "Quantum magnetism in minerals." Advances in Physics 67, no. 3 (2018): 149–252. http://dx.doi.org/10.1080/00018732.2018.1571986.

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7

Blackburn, Elizabeth. "Magnetism, superconductors, quantum systems." Neutron News 24, no. 4 (2013): 6–7. http://dx.doi.org/10.1080/10448632.2013.831644.

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8

Castilla, G., S. Chakravarty, and V. J. Emery. "Quantum Magnetism of CuGeO3." Physical Review Letters 75, no. 9 (1995): 1823–26. http://dx.doi.org/10.1103/physrevlett.75.1823.

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9

Georgii, Robert, and Klaus-Dieter Liss. "Quantum Beams for New Aspects in Magnetic Materials and Magnetism." Quantum Beam Science 3, no. 4 (2019): 22. http://dx.doi.org/10.3390/qubs3040022.

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10

KUZEMSKY, A. L. "QUANTUM PROTECTORATE AND MICROSCOPIC MODELS OF MAGNETISM." International Journal of Modern Physics B 16, no. 05 (2002): 803–23. http://dx.doi.org/10.1142/s0217979202010002.

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Some physical implications involved in a new concept, termed the "quantum protectorate" (QP), are developed and discussed. This is done by considering the idea of quantum protectorate in the context of quantum theory of magnetism. It is suggested that the difficulties in the formulation of quantum theory of magnetism at the microscopic level, that are related to the choice of relevant models, can be understood better in the light of the QP concept. We argue that the difficulties in the formulation of adequate microscopic models of electron and magnetic properties of materials are intimately re

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11

De Poortere, E. P., E. Tutuc, R. Pillarisetty, S. Melinte, and M. Shayegan. "Magnetism and pseudo-magnetism in quantum Hall systems." Physica E: Low-dimensional Systems and Nanostructures 20, no. 1-2 (2003): 123–32. http://dx.doi.org/10.1016/j.physe.2003.09.029.

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12

Rabelo, Renato, Salah-Eddine Stiriba, Danielle Cangussu, et al. "When Molecular Magnetism Meets Supramolecular Chemistry: Multifunctional and Multiresponsive Dicopper(II) Metallacyclophanes as Proof-of-Concept for Single-Molecule Spintronics and Quantum Computing Technologies?" Magnetochemistry 6, no. 4 (2020): 69. http://dx.doi.org/10.3390/magnetochemistry6040069.

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Molecular magnetism has made a long journey, from the fundamental studies on through-ligand electron exchange magnetic interactions in dinuclear metal complexes with extended organic bridges to the more recent exploration of their electron spin transport and quantum coherence properties. Such a field has witnessed a renaissance of dinuclear metallacyclic systems as new experimental and theoretical models for single-molecule spintronics and quantum computing, due to the intercrossing between molecular magnetism and metallosupramolecular chemistry. The present review reports a state-of-the-art o

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13

Zhou, Yungang, Geng Cheng, and Jing Li. "Coexistence of Co doping and strain on arsenene and antimonene: tunable magnetism and half-metallic behavior." RSC Advances 8, no. 3 (2018): 1320–27. http://dx.doi.org/10.1039/c7ra11163k.

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14

Mejía-López, J., Ana Mejía-López, and J. Mazo-Zuluaga. "Uniaxial magnetic anisotropy energy of bimetallic Co–Ni clusters from a first-principles perspective." Physical Chemistry Chemical Physics 20, no. 24 (2018): 16528–39. http://dx.doi.org/10.1039/c8cp01372a.

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15

Vallury, Harish J., Michael A. Jones, Gregory A. L. White, Floyd M. Creevey, Charles D. Hill, and Lloyd C. L. Hollenberg. "Noise-robust ground state energy estimates from deep quantum circuits." Quantum 7 (September 11, 2023): 1109. http://dx.doi.org/10.22331/q-2023-09-11-1109.

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In the lead up to fault tolerance, the utility of quantum computing will be determined by how adequately the effects of noise can be circumvented in quantum algorithms. Hybrid quantum-classical algorithms such as the variational quantum eigensolver (VQE) have been designed for the short-term regime. However, as problems scale, VQE results are generally scrambled by noise on present-day hardware. While error mitigation techniques alleviate these issues to some extent, there is a pressing need to develop algorithmic approaches with higher robustness to noise. Here, we explore the robustness prop

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16

Persky, Eylon, Ilya Sochnikov, and Beena Kalisky. "Studying Quantum Materials with Scanning SQUID Microscopy." Annual Review of Condensed Matter Physics 13, no. 1 (2022): 385–405. http://dx.doi.org/10.1146/annurev-conmatphys-031620-104226.

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Electronic correlations give rise to fascinating macroscopic phenomena such as superconductivity, magnetism, and topological phases of matter. Although these phenomena manifest themselves macroscopically, fully understanding the underlying microscopic mechanisms often requires probing on multiple length scales. Spatial modulations on the mesoscopic scale are especially challenging to probe, owing to the limited range of suitable experimental techniques. Here, we review recent progress in scanning superconducting quantum interference device (SQUID) microscopy. We demonstrate how scanning SQUID

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17

Liu, Liang, Zezhou Lin, Jifan Hu, and Xi Zhang. "Full quantum search for high Tc two-dimensional van der Waals ferromagnetic semiconductors." Nanoscale 13, no. 17 (2021): 8137–45. http://dx.doi.org/10.1039/d0nr08687h.

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18

Jadaun, Priyamvada, and Bart Soreé. "Review of Orbital Magnetism in Graphene-Based Moiré Materials." Magnetism 3, no. 3 (2023): 245–58. http://dx.doi.org/10.3390/magnetism3030019.

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Recent years have seen the emergence of moiré materials as an attractive platform for observing a host of novel correlated and topological phenomena. Moiré heterostructures are generated when layers of van der Waals materials are stacked such that consecutive layers are slightly mismatched in their lattice orientation or unit cell size. This slight lattice mismatch gives rise to a long-wavelength moiré pattern that modulates the electronic structure and leads to novel physics. The moiré superlattice results in flat superlattice bands, electron–electron interactions and non-trivial topology tha

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19

Schmaljohann, H., M. Erhard, J. Kronjägert, et al. "Magnetism in ultracold quantum gases." Journal of Modern Optics 51, no. 12 (2004): 1829–41. http://dx.doi.org/10.1080/09500340408232494.

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20

Spielman, Ian B. "A route to quantum magnetism." Nature 472, no. 7343 (2011): 301–2. http://dx.doi.org/10.1038/nature10101.

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21

Samson, J. H. "Quantum effects in itinerant magnetism." Journal of Magnetism and Magnetic Materials 54-57 (February 1986): 983–84. http://dx.doi.org/10.1016/0304-8853(86)90344-6.

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22

Luo, Yu-Chen, and Xiao-Peng Li. "Quantum simulation of interacting fermions." Acta Physica Sinica 71, no. 22 (2022): 226701. http://dx.doi.org/10.7498/aps.71.20221756.

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Fermions are basic building blocks in the standard model. Interactions among these elementary particles determine how they assemble and consequently form various states of matter in our nature. Simulating fermionic degrees of freedom is also a central problem in condensed matter physics and quantum chemistry, which is crucial to understanding high-temperature superconductivity, quantum magnetism and molecular structure and functionality. However, simulating interacting fermions by classical computing generically face the minus sign problem, encountering the exponential computation complexity.

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23

Gulacsi, M. "Magnetism in rare-earth alloys." International Journal of Modern Physics B 28, no. 25 (2014): 1430016. http://dx.doi.org/10.1142/s0217979214300163.

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Low dimensional rare-earth alloys reveal a rich phase diagram which always incorporate a ferromagnetic (FM) phase. Here we show that rare-earth ferromagnetism in low dimensions is due to double-exchange mechanism. We use the bosonized version of the one-dimensional Anderson lattice model in Toulouse limit to characterize the properties of this emerging FM phase. We give a comprehensive description of the FM ordering of the correlated electrons which appears at intermediate couplings and doping. Determine the critical properties of the phase transitions into the quantum disordered paramagnetic

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24

Li, Yongjian, Taishan Wang, Haibing Meng, et al. "Controlling the magnetic properties of dysprosium metallofullerene within metal–organic frameworks." Dalton Transactions 45, no. 48 (2016): 19226–29. http://dx.doi.org/10.1039/c6dt04180a.

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25

Elubaeva, Aysuliv. "GENERAL PHYSICS FORMULA CALCULATIONS." EURASIAN JOURNAL OF ACADEMIC RESEARCH 3, no. 6 (2023): 205–8. https://doi.org/10.5281/zenodo.8106926.

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In this paper, the calculation of general physics formulas is crucial in mechanics, thermodynamics, electricity and magnetism, quantum mechanics, optics and waves, and their practical applications are considered infinite.

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26

Qiu, Gang, Hung-Yu Yang, Su Kong Chong, Yang Cheng, Lixuan Tai, and Kang L. Wang. "Manipulating Topological Phases in Magnetic Topological Insulators." Nanomaterials 13, no. 19 (2023): 2655. http://dx.doi.org/10.3390/nano13192655.

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Magnetic topological insulators (MTIs) are a group of materials that feature topological band structures with concurrent magnetism, which can offer new opportunities for technological advancements in various applications, such as spintronics and quantum computing. The combination of topology and magnetism introduces a rich spectrum of topological phases in MTIs, which can be controllably manipulated by tuning material parameters such as doping profiles, interfacial proximity effect, or external conditions such as pressure and electric field. In this paper, we first review the mainstream MTI ma

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27

Sun, Jiaxiang, Xin Zhong, Wenwen Cui, et al. "Correction: The intrinsic magnetism, quantum anomalous Hall effect and Curie temperature in 2D transition metal trihalides." Physical Chemistry Chemical Physics 22, no. 5 (2020): 3128. http://dx.doi.org/10.1039/d0cp90018d.

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Correction for ‘The intrinsic magnetism, quantum anomalous Hall effect and Curie temperature in 2D transition metal trihalides’ by Jiaxiang Sun et al., Phys. Chem. Chem. Phys., 2020, DOI: 10.1039/c9cp05084a.

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28

Khumba, Paul G., and N. B. Okelo. "A Review of Operator Theory in Quantum Mechanics: A Case of Microwaves, Electricity and Magnetism." Evolving Trends in Engineering and Technology 1 (August 2014): 1–13. http://dx.doi.org/10.18052/www.scipress.com/etet.1.1.

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We review the significance and input of operator theory in the field of quantum mechanics. In particular, we survey the world of microwaves. We also explore the applications in electricity and magnetism.

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29

Khumba, Paul G., and N. B. Okelo. "A Review of Operator Theory in Quantum Mechanics: A Case of Microwaves, Electricity and Magnetism." International Journal of Engineering and Technologies 1 (August 4, 2014): 1–13. http://dx.doi.org/10.56431/p-6cprg0.

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We review the significance and input of operator theory in the field of quantum mechanics. In particular, we survey the world of microwaves. We also explore the applications in electricity and magnetism.

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30

Hu, Dong-Sheng, Ling-Ling Ma, Shi-Chang Xiao, Shun-Li Yu, and Yuan Zhou. "Quantum interference and domain–wall-like magnetic correlations in hexagonal graphene nanodisks." Journal of Physics: Condensed Matter 34, no. 22 (2022): 225804. http://dx.doi.org/10.1088/1361-648x/ac533b.

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Abstract Quantum interference and traditional domain wall effects are two common ways to manipulate the magnetism in magnetic materials. Here, we report both effects emerge in the designed graphene nanodisks simultaneously, and thus providing an accessible way to engineer the magnetism in graphene nanostructures. By adjusting the length of the armchair edges at the corners of hexagonal disk, connecting the adjacent zigzag edges, we show that the quantum interference among the zigzag edges remains robust and consequently determines the magnetic structure in the small-size systems, in analogy wi

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31

LEE, SungBin. "Frontiers of Quantum Magnetic Materials." Physics and High Technology 31, no. 9 (2022): 2–6. http://dx.doi.org/10.3938/phit.31.027.

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The history of magnetism goes back to earlier than 600 b.c., but only in 20th century, people have started to understand it’s origin. Although the word ‘magnet’ may sound very familiar to you, it’s quantum nature and deep physics leads us to discover amazing phenomena. This article introduces recent frontiers of magnetic materials particularly focusing on ‘magnetic frustration and quantum spin liquids’ and discuss our current understanding.

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32

Machida, Masahiko, Keita Kobayashi, and Tomio Koyama. "Quantum phases in intrinsic Josephson junctions: Quantum magnetism analogy." Physica C: Superconductivity 491 (August 2013): 44–46. http://dx.doi.org/10.1016/j.physc.2013.02.004.

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33

Wang, Haodong, Peihan Lei, Xiaoyu Mao, et al. "Magnetic Phase Transition in Two-Dimensional CrBr₃ Probed by a Quantum Sensor." Chinese Physics Letters 39, no. 4 (2022): 047601. http://dx.doi.org/10.1088/0256-307x/39/4/047601.

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Recently, magnetism in two-dimensional (2D) van der Waals (vdW) materials has attracted wide interests. It is anticipated that these materials will stimulate discovery of new physical phenomena and novel applications. The capability to quantitatively measure the magnetism of 2D magnetic vdW materials is essential to understand these materials. Here we report on quantitative measurements of ferromagnetic-to-paramagnetic phase transition of an atomically thin (down to 11 nm) vdW magnet, namely CrBr3, with a Curie point of 37.5 K. This experiment demonstrates that surface magnetism can be quantit

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34

Milošević, M. V., and D. Mandrus. "2D Quantum materials: Magnetism and superconductivity." Journal of Applied Physics 130, no. 18 (2021): 180401. http://dx.doi.org/10.1063/5.0075774.

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35

Chandra, P., and P. Coleman. "Quantum spin nematics: Moment-free magnetism." Physical Review Letters 66, no. 1 (1991): 100–103. http://dx.doi.org/10.1103/physrevlett.66.100.

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36

Weld, David M., and Wolfgang Ketterle. "Towards quantum magnetism with ultracold atoms." Journal of Physics: Conference Series 264 (January 10, 2011): 012017. http://dx.doi.org/10.1088/1742-6596/264/1/012017.

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37

Matsen, F. A. "Magnetism and spin-free quantum chemistry." International Journal of Quantum Chemistry 6, S6 (2009): 411–17. http://dx.doi.org/10.1002/qua.560060644.

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38

Mi, Bin Zhou, Yong Hong Xue, Huai Yu Wang, Yun Song Zhou, and Xiao Lan Zhong. "Study of Magnetism of Two-Dimensional Ferromagnetic Graphene." Advanced Materials Research 601 (December 2012): 89–93. http://dx.doi.org/10.4028/www.scientific.net/amr.601.89.

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In this paper, the magnetic properties of ferromagnetic graphene nanostructures, especially the dependence of the magnetism on finite temperature, are investigated by use of the many-body Green’s function method of quantum statistical theory. The spontaneous magnetization increases with spin quantum number, and decreases with temperature. Curie temperature increases with exchange parameter J or the strength K2 of single-ion anisotropy and spin quantum number. The Curie temperature TC is directly proportional to the exchange parameter J. The spin-wave energy drops with temperature rising, and b

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39

Iida, Kazuki, Hiroyuki Yoshida, Hirotaka Okabe, et al. "Quantum magnetisms in uniform triangular lattices Li2AMo3O8 (A = In, Sc)." Scientific Reports 9, no. 1 (2019). http://dx.doi.org/10.1038/s41598-018-36123-7.

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40

Mazzola, Federico, Wojciech Brzezicki, Maria Teresa Mercaldo, et al. "Signatures of a surface spin–orbital chiral metal." Nature, February 7, 2024. http://dx.doi.org/10.1038/s41586-024-07033-8.

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AbstractThe relation between crystal symmetries, electron correlations and electronic structure steers the formation of a large array of unconventional phases of matter, including magneto-electric loop currents and chiral magnetism1–6. The detection of such hidden orders is an important goal in condensed-matter physics. However, until now, non-standard forms of magnetism with chiral electronic ordering have been difficult to detect experimentally7. Here we develop a theory for symmetry-broken chiral ground states and propose a methodology based on circularly polarized, spin-selective, angular-

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41

Barbara, B. "Quantum magnetism of single molecules and diluted rare-earth alloys." Magnetic resonance in solids 21, no. 4 (2019). http://dx.doi.org/10.26907/mrsej-19404.

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42

Pournaghavi, Nezhat, Banasree Sadhukhan, and Anna Delin. "Spin transport properties in a topological insulator sandwiched between two-dimensional magnetic layers." Scientific Reports 15, no. 1 (2025). https://doi.org/10.1038/s41598-024-80694-7.

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Abstract Non-trivial band topology along with magnetism leads to different novel quantum phases. When time-reversal symmetry is broken in three-dimensional topological insulators (TIs) through, e.g., the proximity effect, different phases such as the quantum Hall phase or the quantum anomalous Hall(QAH) phase emerge, displaying interesting transport properties for spintronic applications. The QAH phase displays sidewall chiral edge states, which leads to the QAH effect. We have considered a heterostructure consisting of a TI, namely Bi $$_2$$ Se $$_3$$ , sandwiched between two two-dimensional

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43

Yuqiang Zheng and Shiyong Wang. "Delocalized magnetism in low-dimensional graphene system." Acta Physica Sinica, 2022, 0. http://dx.doi.org/10.7498/aps.71.20220895.

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Delocalized p-shell electron magnetism emerging in the low-dimensional graphene system as a result of quantum effects is distinct from the localized d/f-shell electrons. The delocalization effect permits precisely engineering the magnetic ground state and magnetic exchange interactions in nanographenes, allowing for bottom-up construction of high-quality graphene-based magnetic quantum materials. In recent years, with advances of surface chemistry and surface physics, study the magnetism of nanographenes at single-atom precision becomes feasible, opening a new research direction for studying p

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44

Müller, Tobias, Dominik Kiese, Nils Frederic Niggemann, et al. "Pseudo-fermion functional renormalization group for spin models." Reports on Progress in Physics, January 19, 2024. http://dx.doi.org/10.1088/1361-6633/ad208c.

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Abstract For decades, frustrated quantum magnets have been a seed for scientific progress and innovation in condensed matter. As much as the numerical tools for low-dimensional quantum magnetism have thrived and improved in recent years due to breakthroughs inspired by quantum information and quantum computation, higher-dimensional quantum magnetism can be considered as the final frontier, where strong quantum entanglement, multiple ordering channels, and manifold ways of paramagnetism culminate. At the same time, efforts in crystal synthesis have induced a significant increase in the number o

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Xu, Wei-Xing. "The Magnetism from the Movement of Electron in Hydrogen Atom." Current Journal of Applied Science and Technology, October 26, 2021, 34–40. http://dx.doi.org/10.9734/cjast/2021/v40i3031544.

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In this work we calculated the magnetism from the movement of electron in hydrogen atom and found that the contributions from the electron in the same main quantum levels to the magnetism of the hydrogen atom are the same; but the contributions from the electron in different main quantum levels to the magnetism of the hydrogen atom are the eigenvalue dependent instead. These facts tell us that the concepts about “intrinsic property” and “relativity effect” of electron spin should be discarded, and accordingly, the quantum mechanics should be rebuilt.

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Sala, G., M. B. Stone, Binod K. Rai, et al. "Van Hove singularity in the magnon spectrum of the antiferromagnetic quantum honeycomb lattice." Nature Communications 12, no. 1 (2021). http://dx.doi.org/10.1038/s41467-020-20335-5.

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AbstractIn quantum magnets, magnetic moments fluctuate heavily and are strongly entangled with each other, a fundamental distinction from classical magnetism. Here, with inelastic neutron scattering measurements, we probe the spin correlations of the honeycomb lattice quantum magnet YbCl3. A linear spin wave theory with a single Heisenberg interaction on the honeycomb lattice, including both transverse and longitudinal channels of the neutron response, reproduces all of the key features in the spectrum. In particular, we identify a Van Hove singularity, a clearly observable sharp feature withi

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Sala, G., M. B. Stone, Binod K. Rai, et al. "Van Hove singularity in the magnon spectrum of the antiferromagnetic quantum honeycomb lattice." Nature Communications 12, no. 1 (2021). http://dx.doi.org/10.1038/s41467-020-20335-5.

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AbstractIn quantum magnets, magnetic moments fluctuate heavily and are strongly entangled with each other, a fundamental distinction from classical magnetism. Here, with inelastic neutron scattering measurements, we probe the spin correlations of the honeycomb lattice quantum magnet YbCl3. A linear spin wave theory with a single Heisenberg interaction on the honeycomb lattice, including both transverse and longitudinal channels of the neutron response, reproduces all of the key features in the spectrum. In particular, we identify a Van Hove singularity, a clearly observable sharp feature withi

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48

Xie, Mingtai, Weizhen Zhuo, Yanzhen Cai, Zheng Zhang, and Qingming Zhang. "Rare-Earth Chalcogenides: An Inspiring Playground For Exploring Frustrated Magnetism." Chinese Physics Letters, October 23, 2024. http://dx.doi.org/10.1088/0256-307x/41/11/117505.

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Abstract The rare-earth chalcogenide $ARECh_{2}$ family ($A =$ alkali metal or monovalent ions, $RE =$ rare earth, $Ch =$ chalcogen) has emerged as a paradigmatic platform for studying frustrated magnetism on a triangular lattice. The family members exhibit a variety of ground states, from quantum spin liquid to exotic ordered phases, providing fascinating insight into quantum magnetism. Their simple crystal structure and chemical tunability enable systematic exploration of competing interactions in quantum magnets. Recent neutron scattering and thermodynamic studies have revealed rich phase d

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Zhong, Han, Douglas Z. Plummer, Pengcheng Lu, Yang Li, Polina Leger, and Yingying Wu. "Integrating 2D magnets for quantum devices: from materials and characterization to future technology." Materials for Quantum Technology, February 10, 2025. https://doi.org/10.1088/2633-4356/adb474.

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Abstract The unveiling of 2D van der Waals magnetism in 2017 ignited a surge of interest in low-dimensional magnetism. With dimensions reduced, research has delved into facile electric control of 2D magnetism, high-quality heterostructure design, and new device functionality. These atomically thin magnetic materials have spawned a burgeoning field known as 2D spintronics, holding immense promise for future quantum technologies. In this review, we comprehensively survey the current advancements in 2D magnet-based quantum devices, accentuating their role in manifesting exotic properties and enab

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"Fermionic Quantum Magnetism." Science 340, no. 6138 (2013): 1264. http://dx.doi.org/10.1126/science.340.6138.1264-c.

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