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Hilbert space fragmentation at the origin of disorder-free localization in the lattice Schwinger model. 晶格Schwinger模型中无无序局部化起源处的Hilbert空间碎片。
IF 5.4 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-04-18 DOI: 10.1038/s42005-025-02039-8
Jared Jeyaretnam, Tanmay Bhore, Jesse J Osborne, Jad C Halimeh, Zlatko Papić
{"title":"Hilbert space fragmentation at the origin of disorder-free localization in the lattice Schwinger model.","authors":"Jared Jeyaretnam, Tanmay Bhore, Jesse J Osborne, Jad C Halimeh, Zlatko Papić","doi":"10.1038/s42005-025-02039-8","DOIUrl":"https://doi.org/10.1038/s42005-025-02039-8","url":null,"abstract":"<p><p>Lattice gauge theories, the discrete counterparts of continuum gauge theories, provide a rich framework for studying non-equilibrium quantum dynamics. Recent studies suggest disorder-free localization in the lattice Schwinger model, but its origin remains unclear. Using a combination of analytical and numerical methods, we show that Hilbert space fragmentation emerges in the strong coupling limit, constraining particle dynamics and causing sharp jumps in entanglement entropy growth within charge sectors. By analyzing jump statistics, we find that entanglement growth follows a single-logarithmic or weak power-law dependence on time, rather than a double-logarithmic form. This suggests a single ergodicity-breaking regime that mimics many-body localization in finite systems due to fragmentation effects. Our findings clarify the nature of disorder-free localization and its distinction from conventional many-body localization, highlighting how gauge constraints influence thermalization in lattice gauge theories.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"172"},"PeriodicalIF":5.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12008026/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143964786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A dephasing sweet spot with enhanced dipolar coupling. 增强偶极耦合的减相甜点。
IF 5.8 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-07-23 DOI: 10.1038/s42005-025-02216-9
Jann H Ungerer, Alessia Pally, Stefano Bosco, Artem Kononov, Deepankar Sarmah, Sebastian Lehmann, Claes Thelander, Ville F Maisi, Pasquale Scarlino, Daniel Loss, Andreas Baumgartner, Christian Schönenberger
{"title":"A dephasing sweet spot with enhanced dipolar coupling.","authors":"Jann H Ungerer, Alessia Pally, Stefano Bosco, Artem Kononov, Deepankar Sarmah, Sebastian Lehmann, Claes Thelander, Ville F Maisi, Pasquale Scarlino, Daniel Loss, Andreas Baumgartner, Christian Schönenberger","doi":"10.1038/s42005-025-02216-9","DOIUrl":"10.1038/s42005-025-02216-9","url":null,"abstract":"<p><p>Two-level systems (TLSs) are the basic units of quantum computers but face a trade-off between operation speed and coherence due to shared coupling paths. Here, we investigate a TLS given by a singlet-triplet (ST+) transition. We identify a magnetic-field configuration that maximizes dipole coupling while minimizing total dephasing, forming a compromise-free sweet spot that mitigates this fundamental trade-off. The TLS is implemented in a crystal-phase-defined double-quantum dot in an InAs nanowire. Using a superconducting resonator, we measure the spin-orbit interaction (SOI) gap, the spin-photon coupling strength, and the total TLS dephasing rate as a function of the in-plane magnetic-field orientation. Our theoretical description postulates phonons as the dominant noise source. The compromise-free sweet spot originates from the SOI, suggesting that it is not restricted to this material platform but might find applications in any material with SOI. These findings pave the way for enhanced nanomaterial engineering for next-generation qubit technologies.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"306"},"PeriodicalIF":5.8,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12286847/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144728456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accurate quantum-centric simulations of intermolecular interactions. 分子间相互作用的精确量子中心模拟。
IF 5.5 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-10-08 DOI: 10.1038/s42005-025-02305-9
Danil Kaliakin, Akhil Shajan, Fangchun Liang, Javier Robledo Moreno, Zhen Li, Abhishek Mitra, Mario Motta, Caleb Johnson, Abdullah Ash Saki, Susanta Das, Iskandar Sitdikov, Antonio Mezzacapo, Kenneth M Merz
{"title":"Accurate quantum-centric simulations of intermolecular interactions.","authors":"Danil Kaliakin, Akhil Shajan, Fangchun Liang, Javier Robledo Moreno, Zhen Li, Abhishek Mitra, Mario Motta, Caleb Johnson, Abdullah Ash Saki, Susanta Das, Iskandar Sitdikov, Antonio Mezzacapo, Kenneth M Merz","doi":"10.1038/s42005-025-02305-9","DOIUrl":"10.1038/s42005-025-02305-9","url":null,"abstract":"<p><p>Modelling and simulating non-covalent interactions is challenging, as they are inherently weak, dynamic, and system-specific. Common predictive methods often require trading the accuracy for reducing the otherwise cumbersome computational cost. To date, the most accurate approaches, achieving chemical accuracy, rely on quantum mechanical descriptions of non-covalent interactions, which limits their scalability. Whether quantum computing could overcome these limitations is still unclear, as such methods need to be redesigned for quantum hardware. Here, we take the first step in this direction by presenting quantum-centric simulations of non-covalent interactions using a supramolecular approach for binding energy calculations. We use a sample-based quantum diagonalization (SQD) approach to simulate the potential energy surfaces (PES) of the water and methane dimers, featuring hydrogen bond and dispersion interactions, respectively. We benchmark our quantum simulations (27- and 36-qubit circuits) against classical methods, registering deviations within 1.000 kcal/mol from the leading ones. Finally, we test the limits of the quantum methods for capturing dispersion interactions with an experiment on 54 qubits. Beyond reaching state-of-the-art accuracy, our work lays out a framework for electronic structure calculations of non-covalent interactions on quantum hardware.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"396"},"PeriodicalIF":5.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12507674/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145279128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wormhole formation in fluid-driven granular flow. 流体驱动颗粒流中的虫孔形成。
IF 5.5 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-11-24 DOI: 10.1038/s42005-025-02366-w
Miles L Morgan, David W James, Martin Monloubou, Bjørnar Sandnes
{"title":"Wormhole formation in fluid-driven granular flow.","authors":"Miles L Morgan, David W James, Martin Monloubou, Bjørnar Sandnes","doi":"10.1038/s42005-025-02366-w","DOIUrl":"10.1038/s42005-025-02366-w","url":null,"abstract":"<p><p>Fluid-driven flow of granular material leads to complex behaviour and emergent instabilities in many natural and industrial settings. However, the effect of using fluid flow to vertically drive a dense bed of sedimenting grains is not well documented. Here we find contrasting behaviours in a submerged fluid-driven silo, including fingering patterns, porous flow, classical silo flow, and the formation of straight, semi-dilute wormhole-like channels. Once formed, these channels rapidly propagate towards the outlet and act as a bypass of the wider packing. The onset of this instability occurs when the gravity-driven grain flow at the free surface is insufficient to supply the fluid-assisted central region below the interface. Balancing empirical models of these flows predicts the height at which channels emerge as a function of grain size and flow rate. These findings provide a framework for predicting and controlling fluid-grain interactions in natural hazards, industrial processing, and geophysical flows.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"468"},"PeriodicalIF":5.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12646110/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145630754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pressure-enhanced f-electron orbital weighting in UTe2 mapped by quantum interferometry. 量子干涉测量UTe2中压力增强的f电子轨道权重。
IF 5.5 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-11-19 DOI: 10.1038/s42005-025-02333-5
T I Weinberger, Z Wu, A J Hickey, D E Graf, G Li, P Wang, R Zhou, A Cabala, J Pu, V Sechovský, M Vališka, G G Lonzarich, F M Grosche, A G Eaton
{"title":"Pressure-enhanced <i>f</i>-electron orbital weighting in UTe<sub>2</sub> mapped by quantum interferometry.","authors":"T I Weinberger, Z Wu, A J Hickey, D E Graf, G Li, P Wang, R Zhou, A Cabala, J Pu, V Sechovský, M Vališka, G G Lonzarich, F M Grosche, A G Eaton","doi":"10.1038/s42005-025-02333-5","DOIUrl":"10.1038/s42005-025-02333-5","url":null,"abstract":"<p><p>The phase landscape of UTe<sub>2</sub> features a remarkable diversity of superconducting phases under applied pressure and magnetic field. Recent quantum oscillation studies at ambient pressure have revealed the quasi-2D Fermi surface of this material. However, the pressure-dependence of the Fermi surface remains an open question. Here we track the evolution of the UTe<sub>2</sub> Fermi surface as a function of pressure up to 19.5 kbar by measuring quantum interference oscillations. We find that in sufficient magnetic field to suppress both superconductivity at low pressures and incommensurate antiferromagnetism at higher pressures, the quasi-2D Fermi surface found at ambient pressure smoothly connects to that at 19.5 kbar, with no signs of a reconstruction over this pressure interval. We observe a smooth increase in oscillatory frequency with increasing pressure, indicating that the warping of the cylindrical Fermi sheets continuously increases with pressure. By computing a tight-binding model, we show that this enhanced warping indicates increased <i>f</i>-orbital contribution at the Fermi level - up to and beyond the critical pressure at which superconductivity is truncated. These findings highlight the value of high-pressure quantum interference measurements as a sensitive probe of the electronic structure in heavy fermion materials.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"454"},"PeriodicalIF":5.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12629984/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145586271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pressure induced transition from chiral charge order to time-reversal symmetry-breaking superconducting state in Nb-doped CsV3Sb5. nb掺杂CsV3Sb5从手性荷序到时间反转对称破缺超导态的压力诱导转变。
IF 5.8 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-08-02 DOI: 10.1038/s42005-025-02235-6
Jennifer N Graham, Shams Sohel Islam, Vahid Sazgari, Yongka Li, Hanbin Deng, Gianluca Janka, Yigui Zhong, Orion Gerguri, Petr Král, Andrin Doll, Izabela Biało, Johan Chang, Zaher Salman, Andreas Suter, Thomas Prokscha, Yugui Yao, Kozo Okazaki, Hubertus Luetkens, Rustem Khasanov, Zhiwei Wang, Jia-Xin Yin, Zurab Guguchia
{"title":"Pressure induced transition from chiral charge order to time-reversal symmetry-breaking superconducting state in Nb-doped CsV<sub>3</sub>Sb<sub>5</sub>.","authors":"Jennifer N Graham, Shams Sohel Islam, Vahid Sazgari, Yongka Li, Hanbin Deng, Gianluca Janka, Yigui Zhong, Orion Gerguri, Petr Král, Andrin Doll, Izabela Biało, Johan Chang, Zaher Salman, Andreas Suter, Thomas Prokscha, Yugui Yao, Kozo Okazaki, Hubertus Luetkens, Rustem Khasanov, Zhiwei Wang, Jia-Xin Yin, Zurab Guguchia","doi":"10.1038/s42005-025-02235-6","DOIUrl":"10.1038/s42005-025-02235-6","url":null,"abstract":"<p><p>Understanding how time-reversal symmetry (TRS) breaks in quantum materials is key to uncovering new states of matter and advancing quantum technologies. However, unraveling the interplay between TRS breaking, charge order, and superconductivity in kagome metals continues to be a compelling challenge. Here, we investigate the kagome metal Cs(V<sub>1-<i>x</i></sub> Nb <sub><i>x</i></sub> )<sub>3</sub>Sb<sub>5</sub> with <i>x</i> = 0.07 using muon spin rotation (<i>μ</i>SR), alternating current (AC) magnetic susceptibility, and scanning tunneling microscopy (STM), under combined tuning by chemical doping, hydrostatic pressure, magnetic field, and depth from the surface. We find that TRS breaking in the bulk emerges below 40 K-lower than the charge order onset at 58 K-while near the surface, TRS breaking onsets at 58 K and is twice as strong. Niobium doping raises the superconducting critical temperature from 2.5 K to 4.4 K. Under pressure, both the critical temperature and superfluid density double, with TRS-breaking superconductivity appearing above 0.85 GPa. These findings reveal a depth-tunable TRS-breaking state and unconventional superconducting behavior in kagome systems.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"318"},"PeriodicalIF":5.8,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12317846/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144783587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sparse intensity sampling for ultrafast full-field reconstruction in low-dimensional photonic systems. 低维光子系统中超快全场重建的稀疏强度采样。
IF 5.4 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-04-10 DOI: 10.1038/s42005-025-02079-0
Egor Manuylovich
{"title":"Sparse intensity sampling for ultrafast full-field reconstruction in low-dimensional photonic systems.","authors":"Egor Manuylovich","doi":"10.1038/s42005-025-02079-0","DOIUrl":"https://doi.org/10.1038/s42005-025-02079-0","url":null,"abstract":"<p><p>Phase-sensitive measurements usually utilize interferometric techniques to retrieve the optical phase. However, when the feature space of an electromagnetic field is inherently low dimensional, most field parameters can be extracted from intensity measurements only. However, even the fastest of the previously published intensity-only methods have too high a computational complexity to be applicable at high data rates and, most importantly, require data from CCD cameras, which are generally slow. This paper shows how a few intensity measurements taken from properly placed photodetectors can be used to reconstruct the complex-valued field fully in systems with low-dimensional feature space. The presented method allows full-field characterization in few-mode fibers and does not employ a reference beam. This result is 3 orders of magnitude faster than the fastest previously published result and uses 3 orders of magnitude fewer photodetectors, allowing retrieval of mode amplitudes and phases relative to the fundamental mode using only several photodetectors. This approach enables ultrafast applications of intensity-only mode decomposition method, including pulse-to-pulse laser beam characterization, providing an essential tool for experimental exploration of the modal dynamics in spatiotemporal modelocked systems. It can also be applied to ultrafast sensing in few-mode fibers and for coherent mode division-multiplexed receivers using quadratic detectors only.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"149"},"PeriodicalIF":5.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11985348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143969803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterising high-order interdependence via entropic conjugation. 通过熵共轭表征高阶相互依赖关系。
IF 5.8 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-08-23 DOI: 10.1038/s42005-025-02250-7
Fernando E Rosas, Aaron J Gutknecht, Pedro A M Mediano, Michael Gastpar
{"title":"Characterising high-order interdependence via entropic conjugation.","authors":"Fernando E Rosas, Aaron J Gutknecht, Pedro A M Mediano, Michael Gastpar","doi":"10.1038/s42005-025-02250-7","DOIUrl":"https://doi.org/10.1038/s42005-025-02250-7","url":null,"abstract":"<p><p>High-order phenomena are pervasive across complex systems, yet their formal characterisation remains a formidable challenge. The literature provides various information-theoretic quantities that capture high-order interdependencies, but their conceptual foundations and mutual relationships are not well understood. The lack of unifying principles underpinning these quantities impedes a principled selection of appropriate analytical tools for guiding applications. Here we introduce <i>entropic conjugation</i> as a formal principle to investigate the space of possible high-order measures, which clarifies the nature of the existent high-order measures while revealing gaps in the literature. Additionally, entropic conjugation leads to notions of symmetry and skew-symmetry which serve as key indicators ensuring a balanced account of high-order interdependencies. Our analyses highlight the O-information as the unique skew-symmetric measure whose estimation cost scales linearly with system size, which spontaneously emerges as a natural axis of variation among high-order quantities in real-world and simulated systems.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"347"},"PeriodicalIF":5.8,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12374842/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144945688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Renormalization and low-energy effective models in cavity and circuit quantum electrodynamics. 腔和电路量子电动力学中的重整化和低能量有效模型。
IF 5.8 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-11-13 DOI: 10.1038/s42005-025-02325-5
Daniele Lamberto, Alberto Mercurio, Omar Di Stefano, Vincenzo Savona, Salvatore Savasta
{"title":"Renormalization and low-energy effective models in cavity and circuit quantum electrodynamics.","authors":"Daniele Lamberto, Alberto Mercurio, Omar Di Stefano, Vincenzo Savona, Salvatore Savasta","doi":"10.1038/s42005-025-02325-5","DOIUrl":"10.1038/s42005-025-02325-5","url":null,"abstract":"<p><p>The quantum Rabi model (QRM) is a cornerstone in the study of light-matter interactions within cavity and circuit quantum electrodynamics (QED). It effectively captures the dynamics of a two-level system coupled to a single-mode resonator, serving as a foundation for understanding quantum optical phenomena in a great variety of systems. However, this model may produce inaccurate results for large coupling strengths, even in systems with high anharmonicity. Moreover, issues of gauge invariance further undermine its reliability. In this work, we introduce a renormalized QRM that incorporates the effective influence of higher atomic energy levels, providing a significantly more accurate representation of the system while still maintaining a two-level description. To demonstrate the versatility of this approach, we present two different examples: an atom in a double-well potential and a superconducting artificial atom (fluxonium qubit). This procedure opens new possibilities for precisely engineering and understanding cavity and circuit QED systems, which are highly sought-after, especially for quantum information processing.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"430"},"PeriodicalIF":5.8,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12618228/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145539251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of antiferromagnetic rare-earth domains in multiferroic Dy0.7Tb0.3FeO3. 多铁性Dy0.7Tb0.3FeO3中反铁磁稀土畴的分布
IF 5.8 1区 物理与天体物理
Communications Physics Pub Date : 2025-01-01 Epub Date: 2025-12-16 DOI: 10.1038/s42005-025-02401-w
Yannik Zemp, Ehsan Hassanpour, Jan Gerrit Horstmann, Yusuke Tokunaga, Yasujiro Taguchi, Yoshinori Tokura, Thomas Lottermoser, Mads C Weber, Manfred Fiebig
{"title":"Distribution of antiferromagnetic rare-earth domains in multiferroic Dy<sub>0.7</sub>Tb<sub>0.3</sub>FeO<sub>3</sub>.","authors":"Yannik Zemp, Ehsan Hassanpour, Jan Gerrit Horstmann, Yusuke Tokunaga, Yasujiro Taguchi, Yoshinori Tokura, Thomas Lottermoser, Mads C Weber, Manfred Fiebig","doi":"10.1038/s42005-025-02401-w","DOIUrl":"10.1038/s42005-025-02401-w","url":null,"abstract":"<p><p>In many multiferroics, rare-earth and transition-metal orders coexist. For analyzing their interaction and its consequences for the multiferroic state, the domain patterns and their spatial correlation give valuable insight. Unfortunately, this is often hampered by the lack of access to the domains of the rare-earth order. Here, we uncover such a domain pattern for the multiferroic Dy<sub>0.7</sub>Tb<sub>0.3</sub>FeO<sub>3</sub>. Optical second harmonic generation reveals columnar Dy/Tb domains. The columns arrange perpendicular to the magnetically induced electric polarization. Hence, the antiferromagnetic rare-earth order forces the ferroelectric domains to form nominally charged domain walls. In turn, to reduce energy, the ferroelectric order causes a diminished rare-earth domain-wall density along the polarization direction. This interplay highlights the multiferroic character of the Dy<sub>0.7</sub>Tb<sub>0.3</sub>FeO<sub>3</sub> domain pattern and the important role of the rare-earth order. We position Dy<sub>0.7</sub>Tb<sub>0.3</sub>FeO<sub>3</sub> within the broader landscape of rare-earth multiferroics identifying three distinct scenarios for the role of rare-earth order.</p>","PeriodicalId":10540,"journal":{"name":"Communications Physics","volume":"8 1","pages":"495"},"PeriodicalIF":5.8,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12714573/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145803389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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