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Slow Equilibrium Relaxation in a Chiral Magnet Mediated by Topological Defects. 拓扑缺陷介导的手性磁体缓慢平衡弛豫
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.166707
Chenhao Zhang, Yang Wu, Jingyi Chen, Haonan Jin, Jinghui Wang, Raymond Fan, Paul Steadman, Gerrit van der Laan, Thorsten Hesjedal, Shilei Zhang
{"title":"Slow Equilibrium Relaxation in a Chiral Magnet Mediated by Topological Defects.","authors":"Chenhao Zhang, Yang Wu, Jingyi Chen, Haonan Jin, Jinghui Wang, Raymond Fan, Paul Steadman, Gerrit van der Laan, Thorsten Hesjedal, Shilei Zhang","doi":"10.1103/PhysRevLett.133.166707","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.166707","url":null,"abstract":"<p><p>We performed a pump-probe experiment on the chiral magnet Cu_{2}OSeO_{3} to study the relaxation dynamics of its noncollinear magnetic orders, employing a millisecond magnetic field pulse as the pump and resonant elastic x-ray scattering as the probe. Our findings reveal that the system requires ∼0.2  s to stabilize after the perturbation applied to both the conical and skyrmion lattice phase, which is significantly slower than the typical nanosecond timescale observed in micromagnetics. This prolonged relaxation is attributed to the formation and slow dissipation of local topological defects, such as emergent monopoles. By unveiling the experimental lifetime of these emergent singularities in a noncollinear magnetic system, our study highlights a universal relaxation mechanism in solitonic textures within the slow dynamics regime, offering new insights into topological physics and advanced information storage solutions.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562718","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
Categorical Landau Paradigm for Gapped Phases. 间隙相的兰道分类范式
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.161601
Lakshya Bhardwaj, Lea E Bottini, Daniel Pajer, Sakura Schäfer-Nameki
{"title":"Categorical Landau Paradigm for Gapped Phases.","authors":"Lakshya Bhardwaj, Lea E Bottini, Daniel Pajer, Sakura Schäfer-Nameki","doi":"10.1103/PhysRevLett.133.161601","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.161601","url":null,"abstract":"<p><p>We propose a unified framework to classify gapped infrared phases with categorical symmetries, leading to a generalized, categorical Landau paradigm. This is applicable in any dimension and gives a succinct, comprehensive, and computationally powerful approach to classifying gapped symmetric phases. The key tool is the symmetry topological field theory, which is a one dimension higher topological field theory with two boundaries that we choose to be topological. We illustrate the general idea for (1+1)D gapped phases with categorical symmetries and suggest higher-dimensional extensions.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562563","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
Information Causality as a Tool for Bounding the Set of Quantum Correlations. 信息因果性作为限定量子关联集的工具
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.160201
Prabhav Jain, Mariami Gachechiladze, Nikolai Miklin
{"title":"Information Causality as a Tool for Bounding the Set of Quantum Correlations.","authors":"Prabhav Jain, Mariami Gachechiladze, Nikolai Miklin","doi":"10.1103/PhysRevLett.133.160201","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.160201","url":null,"abstract":"<p><p>Information causality was initially proposed as a physical principle aimed at deriving the predictions of quantum mechanics on the type of correlations observed in the Bell experiment. In the same work, information causality was famously shown to imply the Uffink inequality that approximates the set of quantum correlations and rederives Tsirelson's bound of the Clauser-Horne-Shimony-Holt inequality. This result found limited generalizations due to the difficulty of deducing implications of the information causality principle on the set of nonlocal correlations. In this Letter, we present a simple technique for obtaining polynomial inequalities from information causality bounding the set of physical correlations in any bipartite Bell scenario. This result makes information causality an efficient tool for approximating the set of quantum correlations. To demonstrate our method, we derive a family of inequalities which nontrivially constrains the set of nonlocal correlations in Bell scenarios with binary outcomes and equal number of measurement settings. Finally, we propose an improved statement of the information causality principle and obtain a tighter constraint for the simplest Bell scenario that goes beyond the Uffink inequality and recovers a part of the boundary of the quantum set.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562685","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
Instantaneous and Retarded Interactions in Coherent Radiation. 相干辐射中的瞬时和滞后相互作用。
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.165001
Zhuoyuan Liu, Xiujie Deng, Tong Li, Lixin Yan
{"title":"Instantaneous and Retarded Interactions in Coherent Radiation.","authors":"Zhuoyuan Liu, Xiujie Deng, Tong Li, Lixin Yan","doi":"10.1103/PhysRevLett.133.165001","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.165001","url":null,"abstract":"<p><p>In coherent radiation of an ensemble of electrons, the radiation field from electrons resonantly drives the other electrons inside to produce stimulated emission. The radiation reaction force on the electrons accounting for this stimulated radiation loss is classically described by the Liénard-Wiechert potential. Despite its being the foundation of beam physics for decades, we show that using the \"acceleration field\" in Liénard-Wiechert potential to describe radiative interactions leads to divergences due to its implicit dependence on instantaneous interactions. Here, we propose an alternative theory for electromagnetic radiation by decomposing the interactions into an instantaneous part and retarded part. It is shown that only the retarded part contributes to the irreversible radiation loss and the instantaneous part describes the space charge related effects. We further apply this theory to study the coherent synchrotron radiation energy loss, which hopefully will reshape our understanding of coherent radiation and collective interactions.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562687","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
Erratum: Many-Body Interference at the Onset of Chaos [Phys. Rev. Lett. 130, 080401 (2023)]. 勘误：混沌开始时的多体干涉[《物理评论快报》130，080401 (2023)]。
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.169903
Eric Brunner, Lukas Pausch, Edoardo G Carnio, Gabriel Dufour, Alberto Rodríguez, Andreas Buchleitner
{"title":"Erratum: Many-Body Interference at the Onset of Chaos [Phys. Rev. Lett. 130, 080401 (2023)].","authors":"Eric Brunner, Lukas Pausch, Edoardo G Carnio, Gabriel Dufour, Alberto Rodríguez, Andreas Buchleitner","doi":"10.1103/PhysRevLett.133.169903","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.169903","url":null,"abstract":"<p><p>This corrects the article DOI: 10.1103/PhysRevLett.130.080401.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562547","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
New Data-Driven Constraints on the Sign of Gluon Polarization in the Proton. 质子中胶子极化符号的新数据约束。
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.161901
N T Hunt-Smith, C Cocuzza, W Melnitchouk, N Sato, A W Thomas, M J White
{"title":"New Data-Driven Constraints on the Sign of Gluon Polarization in the Proton.","authors":"N T Hunt-Smith, C Cocuzza, W Melnitchouk, N Sato, A W Thomas, M J White","doi":"10.1103/PhysRevLett.133.161901","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.161901","url":null,"abstract":"<p><p>Recently, the possible existence of negative gluon helicity Δg has been observed to be compatible with existing empirical constraints, including from jet production in polarized proton-proton collisions at the Relativistic Heavy Ion Collider, and lattice QCD data on polarized gluon Ioffe time distributions. We perform a new global analysis of polarized parton distributions in the proton with new constraints from the high-x region of deep-inelastic scattering (DIS). A dramatic reduction in the quality of the fit for the negative Δg replicas compared to those with positive Δg suggests that the negative Δg solution cannot simultaneously account for high-x polarized DIS data along with lattice and polarized jet data.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562693","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
General Stacking Theory for Altermagnetism in Bilayer Systems. 双层体系中异相磁性的一般堆积理论。
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.166701
Baoru Pan, Pan Zhou, Pengbo Lyu, Huaping Xiao, Xuejuan Yang, Lizhong Sun
{"title":"General Stacking Theory for Altermagnetism in Bilayer Systems.","authors":"Baoru Pan, Pan Zhou, Pengbo Lyu, Huaping Xiao, Xuejuan Yang, Lizhong Sun","doi":"10.1103/PhysRevLett.133.166701","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.166701","url":null,"abstract":"<p><p>Two-dimensional (2D) altermagnetism was recently proposed to be attainable in twisted antiferromagnetic bilayers providing an experimentally feasible approach to realize it in 2D materials. Nevertheless, a comprehensive understanding of the mechanism governing the appearance of altermagnetism in bilayer systems is still absent. In the present Letter, we address this gap by introducing a general stacking theory (GST) as a key condition for the emergence of altermagnetism in bilayer systems. The GST provides straightforward criteria to predict whether a bilayer demonstrates altermagnetic spin splitting, solely based on the layer groups of the composing monolayers. According to the GST, only seven point groups of bilayers facilitate the emergence of altermagnetism. It is revealed that, beyond the previously proposed antiferromagnetic twisted Van der Waals stacking, altermagnetism can even emerge in bilayers formed through the symmetrically restricted direct stacking of two monolayers. By combining the GST and first-principles calculations, we present illustrative examples of bilayers demonstrating altermagnetism. Our work establishes a robust framework for designing diverse bilayer systems with altermagnetism, thereby opening up new avenues for both fundamental research and practical applications in this field.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562681","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
Thermomagnetic Anomalies by Magnonic Criticality in Ultracold Atomic Transport. 超冷原子传输中的磁临界热磁反常现象
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.163402
Yuta Sekino, Yuya Ominato, Hiroyuki Tajima, Shun Uchino, Mamoru Matsuo
{"title":"Thermomagnetic Anomalies by Magnonic Criticality in Ultracold Atomic Transport.","authors":"Yuta Sekino, Yuya Ominato, Hiroyuki Tajima, Shun Uchino, Mamoru Matsuo","doi":"10.1103/PhysRevLett.133.163402","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.163402","url":null,"abstract":"<p><p>We investigate thermomagnetic transport in an ultracold atomic system with two ferromagnets linked via a magnetic quantum point contact. Using the nonequilibrium Green's function approach, we show a divergence in spin conductance and a slowing down of spin relaxation that manifest in the weak effective-Zeeman-field limit. These anomalous spin dynamics result from the magnonic critical point at which magnons become gapless due to spontaneous magnetization. Our findings unveil untapped dynamics in ultracold atomic systems, opening new avenues in thermomagnetism.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562720","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
Three-Dimensional Moiré Crystal in Ultracold Atomic Gases. 超冷原子气体中的三维摩尔纹晶体。
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.163401
Ce Wang, Chao Gao, Jing Zhang, Hui Zhai, Zhe-Yu Shi
{"title":"Three-Dimensional Moiré Crystal in Ultracold Atomic Gases.","authors":"Ce Wang, Chao Gao, Jing Zhang, Hui Zhai, Zhe-Yu Shi","doi":"10.1103/PhysRevLett.133.163401","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.163401","url":null,"abstract":"<p><p>The work intends to extend the moiré physics to three dimensions. Three-dimensional moiré patterns can be realized in ultracold atomic gases by coupling two spin states in spin-dependent optical lattices with a relative twist, a structure currently unachievable in solid-state materials. We give the commensurate conditions under which the three-dimensional moiré pattern features a periodic structure termed a three-dimensional moiré crystal. We emphasize a key distinction of three-dimensional moiré physics: In three dimensions, the twist operation generically does not commute with the rotational symmetry of the original lattice, unlike in two dimensions, where these two always commute. Consequently, the moiré crystal can exhibit a crystalline structure that differs from the original underlying lattice. We demonstrate that twisting a simple cubic lattice can generate various crystal structures. This capability of altering crystal structures by twisting offers a broad range of tunability for three-dimensional band structures.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562724","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
Erratum: Improved Measurement of the Differential Polarizability Using Co-trapped Ions [Phys. Rev. Lett. 133, 033001 (2024)]. 勘误：利用共俘获离子改进测量微分极化性 [Phys. Rev. Lett. 133, 033001 (2024)].
IF 8.1 1区 物理与天体物理
Physical review letters Pub Date : 2024-10-18 DOI: 10.1103/PhysRevLett.133.169902
Yuan-Fei Wei, Si-Jia Chao, Kai-Feng Cui, Cheng-Bin Li, Shi-Cheng Yu, Han Zhang, Hua-Lin Shu, Jian Cao, Xue-Ren Huang
{"title":"Erratum: Improved Measurement of the Differential Polarizability Using Co-trapped Ions [Phys. Rev. Lett. 133, 033001 (2024)].","authors":"Yuan-Fei Wei, Si-Jia Chao, Kai-Feng Cui, Cheng-Bin Li, Shi-Cheng Yu, Han Zhang, Hua-Lin Shu, Jian Cao, Xue-Ren Huang","doi":"10.1103/PhysRevLett.133.169902","DOIUrl":"https://doi.org/10.1103/PhysRevLett.133.169902","url":null,"abstract":"<p><p>This corrects the article DOI: 10.1103/PhysRevLett.133.033001.</p>","PeriodicalId":20069,"journal":{"name":"Physical review letters","volume":null,"pages":null},"PeriodicalIF":8.1,"publicationDate":"2024-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562527","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
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