Nature Physics最新文献

Evidence for spin-fluctuation-mediated superconductivity in electron-doped cuprates 电子掺杂铜酸盐中自旋涨落介导的超导性证据

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-19 DOI: 10.1038/s41567-026-03454-6

C. M. Duffy, S. J. Tu, Q. H. Chen, J. S. Zhang, A. Cuoghi, R. D. H. Hinlopen, T. Sarkar, R. L. Greene, K. Jin, N. E. Hussey

{"title":"Evidence for spin-fluctuation-mediated superconductivity in electron-doped cuprates","authors":"C. M. Duffy, S. J. Tu, Q. H. Chen, J. S. Zhang, A. Cuoghi, R. D. H. Hinlopen, T. Sarkar, R. L. Greene, K. Jin, N. E. Hussey","doi":"10.1038/s41567-026-03454-6","DOIUrl":"https://doi.org/10.1038/s41567-026-03454-6","url":null,"abstract":"In conventional, phonon-mediated superconductors, the transition temperature and the linear-in-temperature normal-state scattering rate are linked through the electron–phonon coupling strength. In cuprate high-temperature superconductors, no equivalent relationship between critical temperature and electron–boson coupling has been identified. Here we highlight such a link with electrons scattering off commensurate antiferromagnetic spin fluctuations of variable strength. We use d.c. resistivity and high-field magnetoresistance to extract the scattering rate in electron-doped La2−xCexCuO4 as a function of doping. We reveal a highly anisotropic inelastic component to the scattering rate whose magnitude diminishes markedly as doping increases. The correlation we highlight between the strength of scattering and the critical temperature then identifies low-energy spin fluctuations as the primary pairing glue in electron-doped cuprates. The contrasting magnetotransport behaviour in hole-doped cuprates suggests that the higher critical temperature in those materials cannot be attributed solely to an increase in the coupling strength to the antiferromagnetic fluctuations. The success in modelling La2−xCexCuO4 reinforces the notion that resolving the origin of high-temperature superconductivity in hole-doped cuprates may require more than a simple extension of the Bardeen–Cooper–Schrieffer theory.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"33 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149218131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A liquid-crystal analogue of the skyrmion Hall effect 斯基米恩霍尔效应的液晶模拟

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-19 DOI: 10.1038/s41567-026-03379-0

Rodrigo C. V. Coelho, Hanqing Zhao, Guilherme N. C. Amaral, Ivan I. Smalyukh, Margarida M. Telo da Gama, Mykola Tasinkevych

{"title":"A liquid-crystal analogue of the skyrmion Hall effect","authors":"Rodrigo C. V. Coelho, Hanqing Zhao, Guilherme N. C. Amaral, Ivan I. Smalyukh, Margarida M. Telo da Gama, Mykola Tasinkevych","doi":"10.1038/s41567-026-03379-0","DOIUrl":"https://doi.org/10.1038/s41567-026-03379-0","url":null,"abstract":"Topology provides a unifying framework across disciplines, ranging from particle physics and cosmology to condensed-matter systems. In condensed matter, one of its most striking manifestations is the skyrmion Hall effect, where skyrmions—emergent spin configurations characterized by a conserved topological charge—acquire a transverse velocity under driving. Recent advances have revealed that chiral liquid crystals host a wide variety of topological solitons, including torons and skyrmion tubes. Here we show that such solitons exhibit a Hall-like response under shear flow, undergoing a transverse drift away from the shear direction. Our theoretical analysis predicts a weak net transverse mass flow whose magnitude scales as the cube of the shear rate. However, tracer-particle experiments and numerical simulations show that the solitons do not behave as passive tracers of this flow: their transverse motion is much stronger, and in simulations, it occurs opposite to the net transverse mass current. A liquid-crystal analogue of the Thiele equation provides a simple physical framework that highlights the central role of flow vorticity in the effect. These results establish a liquid-crystal analogue of the skyrmion Hall effect and open pathways for microfluidic technologies that exploit soft topological solitons as functional building blocks.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"12 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149218142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The extraction of work from hidden degrees of freedom 从隐藏自由度中提取功

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-16 DOI: 10.1038/s41567-026-03442-w

Lokesh Muruga,Felix Ginot,Sarah A. M. Loos,Clemens Bechinger

{"title":"The extraction of work from hidden degrees of freedom","authors":"Lokesh Muruga,Felix Ginot,Sarah A. M. Loos,Clemens Bechinger","doi":"10.1038/s41567-026-03442-w","DOIUrl":"https://doi.org/10.1038/s41567-026-03442-w","url":null,"abstract":"Abstract Thermodynamics establishes that information acquired through measurement can be converted into work, as exemplified by Maxwell’s demon and Szilard engines. Most experimental realizations of information engines, however, implicitly assume Markovian environments, in which information exchanged with the surroundings is irreversibly lost. Many physical systems instead exhibit environmental memory, with hidden degrees of freedom retaining correlations with the history of the system and giving rise to non-Markovian dynamics. Whether and how such concealed memory can be harnessed as a thermodynamic resource has remained an open question. Here we experimentally demonstrate the extraction of work from environmental memory. Using time-resolved measurements on an optically trapped Brownian particle in equilibrium, we implement a time-delayed double-measurement protocol that retrieves information through backflow from hidden bath degrees of freedom. We show that this information backflow alters the relaxation dynamics, can be quantified independently of initial state effects and—when appropriately exploited—enhances work extraction. Notably, we identify regimes in which the extracted work exceeds the energy stored in the observable degree of freedom alone. Our results establish environmental memory as an experimentally accessible thermodynamic resource and reveal how non-Markovian dynamics can be systematically explored to improve the performance of information engines operating in time-correlated environments.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"23 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2026-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149208940","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chaos control with broken symmetries 打破对称的混沌控制

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-16 DOI: 10.1038/s41567-026-03480-4

Jairo Velasco

引用次数: 0

Cavity-less Brillouin strong coupling in a solid-state continuous system 固态连续系统中的无腔布里渊强耦合

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-16 DOI: 10.1038/s41567-026-03458-2

Laura Blázquez Martínez,Changlong Zhu,Birgit Stiller

引用次数: 0

Monolayer van der Waals kagome lattice for high-temperature flat-band physics 高温平带物理的单层van der Waals kagome晶格

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-15 DOI: 10.1038/s41567-026-03492-0

Hyungkun Bong,Choongjae Won,Seongyong Lee,Soomin Oh,Phuong X. Nguyen,Raghav Chaturvedi,Sehyun Oh,Jiyong Han,Paul Malinowski,Chad Mowers,Jimin Kim,Sae Hee Ryu,Hyunjong Lee,Jinhyeok Choi,Sangsu Yer,Chris Jozwiak,Aaron Bostwick,Eli Rotenberg,Craig M. Polley,Matthew D. Watson,Timur K. Kim,Heejun Yang,Jieun Lee,Kin Fai Mak,Jie Shan,Jae-Hoon Park,Gil Young Cho,Kyle M. Shen,Mingu Kang

引用次数: 0

Reaction–diffusion competition drives anomalous relaxation of vitrimers 反应扩散竞争导致玻璃体异常松弛

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-15 DOI: 10.1038/s41567-026-03468-0

Makayla R. Branham-Ferrari,Shinian Cheng,Alexei P. Sokolov,David S. Simmons

引用次数: 0

Simultaneous high-fidelity single-qubit gates in a spin qubit array 自旋量子比特阵列中同时高保真单量子比特门

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-15 DOI: 10.1038/s41567-026-03466-2

Yi-Hsien Wu,Leon C. Camenzind,Patrick Bütler,Ik Kyeong Jin,Akito Noiri,Kenta Takeda,Takashi Nakajima,Takashi Kobayashi,Giordano Scappucci,Hsi-Sheng Goan,Seigo Tarucha

{"title":"Simultaneous high-fidelity single-qubit gates in a spin qubit array","authors":"Yi-Hsien Wu,Leon C. Camenzind,Patrick Bütler,Ik Kyeong Jin,Akito Noiri,Kenta Takeda,Takashi Nakajima,Takashi Kobayashi,Giordano Scappucci,Hsi-Sheng Goan,Seigo Tarucha","doi":"10.1038/s41567-026-03466-2","DOIUrl":"https://doi.org/10.1038/s41567-026-03466-2","url":null,"abstract":"Abstract Silicon spin qubits offer a promising path to scalable quantum computing due to their compatibility with industrial semiconductor manufacturing. A key requirement for scaling quantum processors is the ability to perform high-fidelity operations in parallel across many qubits. However, simultaneous control remains a major challenge in silicon devices, as fidelities typically degrade under parallel operation. Here we identify microwave-drive-induced a.c.-Stark shifts as the dominant source of this degradation in a five-qubit silicon spin array. We address this by introducing a scalable mitigation protocol based solely on pairwise phase calibrations. Using tailored control pulses on a shared control line, we achieve primitive X and Y gate fidelities well above 99.99% for each qubit individually, with some approaching 99.999%. Furthermore, these fidelities are preserved above 99.99% during simultaneous operation of up to three qubits. During parallel five-qubit operation, fidelities remain above the widely targeted fault-tolerant threshold of 99.9%. By maintaining high-fidelity control during simultaneous operation, shared qubit-control lines can support the development of large-scale semiconductor quantum processors.","PeriodicalId":19100,"journal":{"name":"Nature Physics","volume":"10 1","pages":""},"PeriodicalIF":19.6,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149208944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A dynamic ruler for positional memory in regeneration 再生过程中位置记忆的动态标尺

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-14 DOI: 10.1038/s41567-026-03488-w

Keng-hui Lin

引用次数: 0

Fusion digital twins from imperfect models 来自不完美模型的融合数字双胞胎

IF 19.6 1区物理与天体物理

Nature Physics Pub Date : 2026-10-14 DOI: 10.1038/s41567-026-03485-z

Ionuț-Gabriel Farcaș,Frank Jenko

引用次数: 0