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K
nstle, K.*; 山本 慧; 他7名*
Nature Communications (Internet), 16, p.10116_1 - 10116_8, 2025/11
Strong coupling between distinct quasiparticles in condensed matter systems gives rise to hybrid states with emergent properties. We demonstrate the hybridization of confined phonons and finite-wavelength magnons, forming a magnon-polaron cavity with tunable coupling strength and spatial confinement controlled by the applied magnetic field direction. Our platform consists of a low-loss, single-crystalline yttrium iron garnet (YIG) film coupled to a zinc oxide (ZnO)-based surface acoustic wave (SAW) resonator. This heterostructure enables exceptionally low magnon-polaron dissipation rates below 
/2
1.5 MHz. The observed mode hybridization is well described by a phenomenological model incorporating the spatial profiles of magnon and phonon modes. Furthermore, we report the first observation of Rabi-like oscillations in a coupled SAW-spin wave system, revealing the dynamical formation of magnon-polarons in the time domain. These results establish a platform for engineering hybrid spin-acoustic excitations in extended magnetic systems and enable time-resolved studies of magnon-polaron states.
Zhao, X.*; Zhang, Z.*; 服部 高典; Wang, J.*; Li, L.*; Jia, Y.*; Li, W.*; Xue, J.*; Fan, X.*; Song, R.*; et al.
Nature Communications (Internet), 16, p.7713_1 - 7713_8, 2025/08
被引用回数：0 パーセンタイル：55.06熱効果は、固体状態の冷凍技術の一つの解決策の基盤を成すもので、通常は固体状態の相転移付近で発生し、冷凍温度範囲が限定されている。ここでは、前例のない概念である「全温度帯バロカロリック効果」を導入し実現する。すなわち、KPF
において77.5Kから300Kの極めて広い温度範囲(潜在的に4Kまで)で観測される顕著なバカカロリック効果である。この温度範囲は、一般的な室温、液体窒素、液体水素、液体ヘリウムの冷却領域をカバーしている。直接測定されたバーカロリック断熱温度変化は、250MPaの圧力を解放した際に、室温で12K、77.5Kで2.5Kに達する。この効果は、圧力依存性の中性子粉末回折、ラマン散乱解析、第一原理計算により示されるように、菱面体高圧相への持続的な相転移に起因する。構造的不安定性を考慮した熱力学的エネルギーランドスケープを記述する。この独自の全温度帯バロカロリック効果は、従来の多段式シナリオを超えた、高度に適用可能な固体状態冷凍技術への新たなアプローチを提供する。
Chen, Z.*; Gong, W.; Harjo, S.; 川崎 卓郎; Chen, G.*; 他14名*
Nature Communications (Internet), 16, p.6480_1 - 6480_13, 2025/07
Developing alloys with both ultrahigh strength and ductility remains a for- midable scientific challenge, primarily due to the inherent strength-ductility tradeoff. Here, we present an approach to enhance the ductility and strength of a medium-entropy alloy (MEA) featuring a fully recrystallized face-centered cubic/hexagonal close-packed dual-phase ultrafine-grained architecture. This is achieved by activating unusual non-basal slips in the ordered hexagonal close-packed superlattice nanoprecipitates, resulting in this MEA that exhibits remarkable uniform elongation (
) and ultrahigh yield strength (
) across a wide temperature range, particularly at cryogenic temperatures ( 
2100 MPa, 15%). The non-basal slips in the secondary phase are activated at ultrahigh stress levels, which are compatible with the increased yield strength of the MEA attained through multiple strengthening mechanisms, including grain boundaries, lattice friction, and second-phase nanoprecipitates provided by the multi-principal elements of the entropy alloy. The deformation mechanism elucidated in this work not only leverages the significant strengthening and strain hardening effects of brittle nanoprecipitates but also enables the ductilization of the alloy through sequential non-basal slip during ongoing deformation.
Liu, R.*; Stone, M. B.*; Gao, S.*; 中村 充孝; 蒲沢 和也*; Krajewska, A.*; Walker, H. C.*; Cheng, P.*; Yu, R.*; Si, Q.*; et al.
Nature Communications (Internet), 16, p.5212_1 - 5212_8, 2025/06
The quantum-disordered state in FeSe, intertwined with superconductivity and nematicity, has been a research focus in iron-based superconductors. Temperature-dependent differences between Q= (1, 0) and (0, 1) spin excitations above the structural transition unambiguously reveals the nematic quantum disordered state. Comparison with NaFeAs suggests the Neel excitations originate from enhanced 3dxy orbital correlations. Modeling the stripe dispersions using a J1-K-J2 Heisenberg Hamiltonian, we establish a spininteraction phase diagram, positioning FeSe near a crossover regime between the antiferroquadrupolar, Neel, and stripe orders. Our results provide key insights into themicroscopic spin interactions and their role in the intertwined orders in iron-based superconductors.
Bi
Park, P.*; Ortiz, B. R.*; Spargue, M.*; Sakuya, A. P.*; Chen, S. A.*; Frontzek, M. D.*; Tian, W.*; Sibille, R.*; Mazzone, D. G.*; 田端 千紘; et al.
Nature Communications (Internet), 16, p.4384_1 - 4384_9, 2025/05
被引用回数：4 パーセンタイル：96.91(Multidisciplinary Sciences)Kagome metals with van Hove singularities (VHSs) near the Fermi level can host intriguing quantum phenomena, including chiral loop currents, electronic nematicity, and unconventional superconductivity. However, unconventional magnetic states driven by VHSs, such as spin-density waves (SDWs), have yet to be observed experimentally in kagome metals. Here, we present a comprehensive investigation of the magnetic and electronic structure of the layered kagome metal CeTiBi, where the Ti kagome electronic structure interacts with a magnetic sublattice of Ce
= 1/2 moments. Our findings establish the rare-earth Kagome metals LnTi3Bi4 as a model platform where characteristic electronic structure of the kagome lattice plays a pivotal role in magnetic order.
Thennakoon, A.*; 横倉 涼雅*; Yang, Y.*; 梶本 亮一; 中村 充孝; 林 真弘*; 道岡 千城*; Chern, G.-W.*; Broholm, C.*; 植田 浩明*; et al.
Nature Communications (Internet), 16, p.3939_1 - 3939_13, 2025/04
被引用回数：0 パーセンタイル：79.98(Multidisciplinary Sciences)The pursuit of quantum spin liquid (QSL) states in condensed matter physics has drawn attention to kagome antiferromagnets (AFM) where a two-dimensional corner-sharing network of triangles frustrates conventional magnetic orders. While quantum kagome AFMs based on Cu
(
, 
) ions have been extensively studied, there is so far little work beyond copper-based systems. Here we present our bulk magnetization, specific heat and neutron scattering studies on single crystals of a new titanium fluorides Cs
RbK
Ti
F
where Ti (
, ) ions form a modulated quantum kagome antiferromagnet that does not order magnetically down to 1.5 K. Our comprehensive map of the dynamic response function 
acquired at 1.5 K where the heat capacity is 
-linear reveals a dispersive continuum emanating from soft lines that extend along (100). The data indicate fractionalized spinon-like excitations with quasi-one-dimensional dispersion within a quasi two-dimensional spin system.
Sheng, L.*; 山本 慧; 他18名*
Nature Physics, 8 Pages, 2025/04
被引用回数：4 パーセンタイル：97.60(Physics, Multidisciplinary)Controlling the spin current lies at the heart of spintronics and its applications. In ferromagnets, the sign of spin currents is fixed once the current direction is determined. However, spin currents in antiferromagnets can possess opposite polarizations, but this requires enormous magnetic fields to lift the degeneracy between the two modes. Therefore, controlling spin currents with opposite polarization is still a challenge. Here we demonstrate the control of spin currents at room temperature by magnon interference in a canted antiferromagnet, namely, haematite that has recently been classified as an altermagnet. Magneto-optical characterization by Brillouin light scattering reveals that the spatial periodicity of the beating patterns is tunable via the microwave frequency. We further observe that the inverse spin Hall voltage changes sign as the frequency is tuned, evincing a frequency-controlled switching of polarization of pure spin currents. Our work highlights the use of antiferromagnetic magnon interference to control spin currents, which substantially extends the horizon for the emerging field of coherent antiferromagnetic spintronics.
Song, Y.*; Xu, S.*; 佐藤 駿介*; Lee, I.*; Xu, X.*; 大森 俊洋*; 長迫 実*; 川崎 卓郎; 鬼柳 亮嗣; Harjo, S.; et al.
Nature, 638, p.965 - 971, 2025/02
被引用回数：9 パーセンタイル：98.67(Multidisciplinary Sciences)In advanced applications like aerospace and space exploration, materials must balance lightness, functionality, and extreme thermal fluctuation resistance. Shape-memory alloys show promise with strength, toughness, and substantial strain recovery due to superelasticity, but maintaining low mass and effective operation at cryogenic temperatures is challenging. We hereby introduce a novel shape-memory alloy that adheres to these stringent criteria. Predominantly composed of Ti and Al with a chemical composition of Ti
Al
Cr
, this alloy 25 is characterized by a low density (4.36
10
kg/m) and a high specific strength (18510 Pa
m/kg) at room temperature, while exhibiting excellent superelasticity. The superelasticity, owing to a reversible stress-induced phase transformation from an ordered body-centered cubic parent phase to an ordered orthorhombic martensite, allows for a recoverable strain exceeding 7%. Remarkably, this functionality persists across a broad range of temperatures, from deep cryogenic 4.2 K to above room temperature, arising from an unconventional temperature dependence of transformation stresses. Below a certain threshold during cooling, the critical transformation stress inversely correlates with temperature. We interpret this behavior from the perspective of a temperature-dependent anomalous lattice instability of the parent phase. This alloy holds potential in everyday appliances requiring flexible strain accommodations, as well as components designed for extreme environmental conditions such as deep space and liquefied gases.
Sanfilippo, A.*; 安邊 啓明; 他27名*
Nature Communications (Internet), 16, p.2016_1 - 2016_11, 2025/02
被引用回数：1 パーセンタイル：91.35(Multidisciplinary Sciences)Mantle processes control plate tectonics and exert an influence on biogeochemical cycles. However, the proportion of the mantle accessible to sampling is minimal, and a significant portion of our knowledge is derived from xenoliths, orogenic peridotite massifs exposed on land, and abyssal peridotites. Sampling of in-situ sections of the mantle is extremely challenging because they are buried beneath a magmatic crust with its sedimentary cover. In this study, we report the lithological characteristics of two mantle sections from an embryonic, very young, (~3 Ma) oceanic basin drilled by the International Ocean Discovery Program (IODP) in the central Tyrrhenian Sea. In contrast to observations made in drilled mantle sections from Mid Ocean Ridges (MORs) and hyperextended passive margins such as those in Iberia and Newfoundland, our findings revealed an exceptionally heterogeneous and generally fertile mantle. This represents a snapshot of young oceanic basement in a continental rifting environment characterised by general igneous starvation. The lithological heterogeneity ranges from fertile lherzolites to depleted harzburgites and dunites, variably interlayered with pyroxenites. Plagioclase- and clinopyroxene-rich layers, hydrous potassic magmatic veins, and gabbroic intrusions in these peridotites indicate substantial mantle re-fertilization and delayed inception of magmatic crust. The diverse lithological recovery indicates that magma-poor rifts do not necessarily require a chemically depleted mantle, too refractory to melt. Instead, we propose that deep lithospheric processes such as mantle refertilisation and prolonged lithospheric thinning hinder melt focusing and the formation of a steady-state spreading centre.
Yoon, J.-Y.*; 竹内 祐太朗*; 武智 涼太*; Han, J.*; 内村 友宏*; 山根 結太*; 金井 駿*; 家田 淳一; 大野 英男*; 深見 俊輔*
Nature Communications (Internet), 16, p.1171_1 - 1171_8, 2025/02
被引用回数：1 パーセンタイル：77.58(Multidisciplinary Sciences)Spin-orbit torque (SOT) provides a promising mechanism for electrically encoding information in magnetic states. Unlike existing schemes, where the SOT is passively determined by the material and device structures, an active manipulation of the intrinsic SOT polarity would allow for flexibly programmable SOT devices. Achieving this requires electrical control of the current-induced spin polarization of the spin source. Here we demonstrate a proof-of-concept current-programmed SOT device. Using a noncollinear-anti-ferromagnetic/nonmagnetic/ferromagnetic MnSn/Mo/CoFeB hetero-structure at zero magnetic eld, we show current-induced switching in the CoFeB layer due to the spin current polarized by the magnetic structure of the MnSn; by properly tuning the driving current, the spin current from the CoFeB further reverses the magnetic orientation of the MnSn, which determines the polarity of the subsequent switching of the CoFeB. This scheme of mutual switching can be achieved in a spin-valve-like simple protocol because each magnetic layer serves as a reversible spin source and target magnetic electrode. It yields intriguing proof-of-concept functionalities for unconventional logic and neuromorphic computing.
小澤 孝拓*; 福谷 克之; 他7名*
Nature Communications (Internet), 15, p.9558_1 - 9558_8, 2024/11
被引用回数：2 パーセンタイル：38.06(Multidisciplinary Sciences)Hydrogen, the smallest and lightest element, readily permeates a variety of materials and modulates their physical properties. Identification of the hydrogen lattice location and its amount in crystals is key to understanding and controlling the hydrogen-induced properties. Combining nuclear reaction analysis (NRA) with the ion channeling technique, we experimentally determined the locations of H and D in epitaxial nanofilms of titanium hydrides from the analysis of the two-dimensional angular mappings of NRA yields. Here we show that 11 at% of H are located at the octahedral site with the remaining H atoms in the tetrahedral site. Density functional theory calculations revealed that the structures with the partial octahedral site occupation are stabilized by the Fermi level shift and Jahn-Teller effect induced by hydrogen. In contrast, D was found to solely occupy the tetrahedral site owing to the mass effect on the zero-point vibrational energy. These findings suggest that site occupation of hydrogen can be controlled by changing the isotope mixture ratio, which leads to promising manifestation of novel hydrogen-related phenomena.
Zheng, X.-G.*; 山内 一宏*; 萩原 雅人; 西堀 英治*; 河江 達也*; 渡邊 功雄*; 内山 智貴*; Chen, Y.*; Xu, C.-N.*
Nature Communications (Internet), 15, p.9989_1 - 9989_12, 2024/11
被引用回数：1 パーセンタイル：13.02(Multidisciplinary Sciences)Like the crystallization of water to ice, magnetic transition occurs at a critical temperature after the slowing down of dynamically fluctuating short-range correlated spins. Here, we report a unique type of magnetic transition characterized by a linear increase in the volume fraction of unconventional static short-range-ordered spin clusters, which triggered a transition into a long-range order at a threshold fraction perfectly matching the bond percolation theory in a new quantum antiferromagnet of pseudo-trigonal Cu
(OH)
Cl
. Static short-range order appeared in its Kagome lattice plane below Ca. 20 K from a pool of coexisting spin liquid, linearly increasing its fraction to 0.492(8), then all Kagome spins transitioned into a stable two-dimensional spin order at _
_
_
_
$. The unconventional static nature of the short-range order was inferred to be due to a pinning effect by the strongly correlated coexisting spin liquids. This work presents a unique magnetic system to demonstrate a complete bond percolation process toward the critical transition. Meanwhile, the unconventionally developed magnetic order in this chemically clean system should shed new light on spin-liquid physics.
町田 晃彦*; 齋藤 寛之*; 杉本 秀彦*; 服部 高典; 佐野 亜沙美; 遠藤 成輝*; 片山 芳則*; 飯塚 理子*; 佐藤 豊人*; 松尾 元彰*; et al.
Nature Communications (Internet), 15, p.8861_1 - 8861_2, 2024/10
被引用回数：0 パーセンタイル：0.00(Multidisciplinary Sciences)前回の論文(Nature Commun. 5, 5063 (2014))では、988Kと6.3GPaで収集した中性子粉末回折パターンのリートベルト精密化によって、fcc Fe金属格子に溶解したD原子のサイト占有率を調べた。fcc金属格子には、八面体サイトと四面体サイトの2つのD原子収容可能な格子間サイトがある。リートベルト精密化により、D原子は主に八面体サイトを0.532占有し、わずかに四面体サイトを0.056占有することがわかった。その後、Antonov (Phys. Rev. Mater. 2019))による密度汎関数理論(DFT)計算の結果、四面体サイトの占有エネルギーは八面体サイトの占有エネルギーよりも著しく高く、988Kの高温でも四面体サイトの占有は起こりにくいことがわかった。消衰補正は粉末回折パターンに適用されることはまれであり、前回の精密化には含まれていなかった。その結果、八面体の占有率は0.60に増加し、四面体の占有率はゼロに減少した。D原子の八面体サイトのみの占有は、以前の結果とは対照的ではあるが、DFT計算と一致している。
-
transitionsYang, Q.*; Yang, X.*; Wang, Y.*; Fei, Y.*; Li, F.*; Zheng, H.*; Li, K.*; Han, Y.*; 服部 高典; Zhu, P.*; et al.
Nature Communications (Internet), 15, p.7778_1 - 7778_9, 2024/09
被引用回数：16 パーセンタイル：93.77(Multidisciplinary Sciences)明るい一重項励起子と三重項励起子を同時に発現する発光材料は、オプトエレクトロニクス、サイネージ、情報暗号化において大きな可能性を秘めている。しかしながら、高性能の白色発光を実現するためには、蛍光と燐光の寄与が不均衡であることが大きな障害となっている。ここでは、水素結合の協同効果による圧力処理エンジニアリングによって、n--遷移の混合を実現し、イソフタル酸(IPA)中で三重項状態の発光を7%から40%に高めることで、この課題に対処した。加圧処理したIPAでは、蛍光と燐光のハイブリッドに基づく優れた白色発光が得られ、フォトルミネッセンス量子収率は当初の19%(青色発光)から75%に増加した。その場での高圧IRスペクトル、X線回折、中性子回折から、圧力の上昇に伴い水素結合が連続的に強化されることが明らかになった。さらに、この強化された水素結合は、圧力処理後も常圧条件下まで保持され、バランスの取れた一重項/三重項励起子集団のための効率的な系間交差を目的としたIPAに与え、効率的な白色発光をもたらした。この研究は、有機低分子の三重項状態を明るくするルートを提案するだけでなく、一重項励起子と三重項励起子の比率を調節して、高性能の白色発光を構築するものである。
archaea host diverse and interacting extrachromosomal elementsShi, L.-D.*; West-Roberts, J.*; Schoelmerich, M. C.*; Penev, P. I.*; Chen, L.-X.*; 天野 由記; Lei, S.*; Sachdeva, R.*; Banfield, J. F.*
Nature Microbiology (Internet), 9(9), p.2422 - 2433, 2024/09
被引用回数：1 パーセンタイル：50.87(Microbiology)Methane emissions that contribute to climate change can be mitigated by anaerobic methane-oxidizing archaea such as . Some have huge extrachromosomal genetic elements (ECEs) called Borgs that may modulate their activity, yet the broader diversity of ECEs is little studied. Here, we report small enigmatic linear ECEs, circular viruses and unclassified ECEs, that we predict replicate within . The linear ECEs have features such as inverted terminal repeats, pervasive tandem repeats, and coding patterns that are strongly reminiscent of Borgs, but they are only 52 kb to 145 kb in length. They share proteins with Borgs and . Thus, we refer to them as mini-Borgs. Mini-Borgs are genetically diverse and we assign them to at least five family-level groups. We also identify eight novel families of viruses, some of which encode multiheme cytochromes, and unclassified circular ECEs that encode TnpB genes. A population-heterogeneous CRISPR array is encoded in close proximity to TnpB and has spacers that target other ECEs including previously reported plasmids. The diverse groups of ECEs exchange genetic information with each other and with , likely impacting the activity and evolution of these environmentally important archaea.
Lan, Z.*; 有川 安信*; Mirfayzi, S. R.*; Morace, A.*; 早川 岳人*; 佐藤 博隆*; 加美山 隆*; Wei, T.*; 巽 湧太*; 小泉 光生; et al.
Nature Communications (Internet), 15, p.5365_1 - 5365_7, 2024/07
被引用回数：7 パーセンタイル：84.25(Multidisciplinary Sciences)The temperature measurement of material inside of an object is one of the key technologies for control of dynamical processes. For this purpose, various techniques such as laser-based thermography and phase-contrast imaging thermography have been studied. However, it is, in principle, impossible to measure the temperature of an element inside of an object using these techniques. One of the possible solutions is measurements of Doppler brooding effect in neutron resonance absorption (NRA). Here we present a method to measure the temperature of an element or an isotope inside of an object using NRA with a single neutron pulse of approximately 100 ns width provided from a high-power laser. We demonstrate temperature measurements of a tantalum (Ta) metallic foil heated from the room temperature up to 617 K. Although the neutron energy resolution is fluctuated from shot to shot, we obtain the temperature dependence of resonance Doppler broadening using a reference of a silver (Ag) foil kept to the room temperature. A free gas model well reproduces the results. This method enables element(isotope)-sensitive thermometry to detect the instantaneous temperature rise in dynamical processes.
Zeng, Z.*; Zhou, C.*; Zhou, H.*; Han, L.*; Chi, R.*; Li, K.*; 古府 麻衣子; 中島 健次; Wei, Y.*; Zhang, W.*; et al.
Nature Physics, 20(7), p.1097 - 1102, 2024/07
被引用回数：20 パーセンタイル：96.20(Physics, Multidisciplinary)Emergent quasiparticles with a Dirac dispersion in condensed matter systems can be described by the Dirac equation for relativistic electrons, in analogy with Dirac particles in high-energy physics. For example, electrons with a Dirac dispersion have been intensively studied in electronic systems such as graphene and topological insulators. However, charge is not a prerequisite for Dirac fermions, and the emergence of Dirac fermions without a charge degree of freedom has been theoretically predicted to be realized in Dirac quantum spin liquids. These quasiparticles carry a spin of 1/2 but are charge-neutral and so are called spinons. Here we show that the spin excitations of a kagome antiferromagnet, YCu(OD)Br
[Br
(OD)
], are conical with a spin continuum inside, which is consistent with the convolution of two Dirac spinons. The predictions of a Dirac spin liquid model with a spinon velocity obtained from spectral measurements are in agreement with the low-temperature specific heat of the sample. Our results, thus, provide spectral evidence for a Dirac quantum spin liquid state emerging in this kagome lattice antiferromagnet. However, the locations of the conical spin excitations differ from those calculated by the nearest-neighbor Heisenberg model, suggesting the Dirac spinons have an unexpected origin.
Han, J.*; 内村 友宏*; 荒木 康史; Yoon, J.-Y.*; 竹内 祐太郎*; 山根 結太*; 金井 駿*; 家田 淳一; 大野 英男*; 深見 俊輔*
Nature Physics, 20(7), p.1110 - 1117, 2024/07
被引用回数：26 パーセンタイル：98.31(Physics, Multidisciplinary)量子状態の幾何学的構造を特徴づける基礎的な量として、「量子計量」と「ベリー曲率」が存在する。ベリー曲率は、凝縮系において多種の重要な現象に寄与することが知られている。一方、量子計量も新たなトポロジカル物理現象の起源となることが予想されているが、特に常温常圧下においては、その効果はほとんど探索されていない。本研究では、トポロジカルカイラル反強磁性体MnSnと白金の接合系を用い、界面でのナノスピン構造を介して、電子系の量子計量構造の制御に成功した。ベリー曲率ではなく量子計量特有の効果として、時間反転反対称でかつ電子散乱に対して頑強な、二次非線形ホール効果を測定した。更に、界面スピン構造は弱磁場及び界面スピン軌道相互作用によって急峻に変調されるため、量子計量構造も鋭敏に制御可能であることを示した。本研究成果により、量子状態に内在する量子計量構造を活用したトポロジカル物理現象が室温環境下でも可能になり、且つ応用面においても非線形素子を構築する助けとなることが期待される。
O ice observed by neutron diffraction小松 一生*; 服部 高典; Klotz, S.*; 町田 真一*; 山下 恵史朗*; 伊藤 颯*; 小林 大輝*; 入舩 徹男*; 新名 亨*; 佐野 亜沙美; et al.
Nature Communications (Internet), 15, p.5100_1 - 5100_7, 2024/06
被引用回数：12 パーセンタイル：88.24(Multidisciplinary Sciences)水素結合の対称化とは、水素原子が水素結合の中心に位置する現象である。理論的研究により、氷VIIの水素結合は、圧力が増加するにつれて、水素の分布を変化させながら、いくつかの中間状態を経て、最終的に対称化すると予測されている。これまで、多くの実験的研究が行われてきたにもかかわらず、その水素の位置や転移圧力は一貫していない。われわれは、100GPa以上の圧力で中性子回折実験を行い、氷中の水素分布を決定し、隣接酸素間での分布が80GPa付近で2つから1つになり水素結合が対称化することを世界で初めて観測した。
市川 翼*; 箱嶋 秀昭*; 乾 幸地*; 伊藤 康介*; 松田 亮*; 御手洗 光祐*; 宮本 幸一*; 水上 渉*; 水田 郁*; 森 俊夫*; et al.
Nature Reviews Physics (Internet), 6(6), p.345 - 347, 2024/06
被引用回数：10 パーセンタイル：98.89(Physics, Applied)Access to quantum computers has been democratized by the availability of cloud services from commercial providers, but the numbers of qubits users can exploit have remained modest, limited by noise and errors. What are these qubits used for and what can we expect next?
