cond-mat 篇论文 | Gist.Science

Persistent short-range charge correlations revealed by ultrafast melting of electronic order in YBa $_2$ Cu $_3$ O $_{6+x}$

该研究利用超快共振X射线散射技术，通过光诱导电子有序态的熔化过程，揭示了YBa $_2$ Cu $_3$ O $_{6.67}$ 中电荷密度波（CDW）长程关联与短程关联的共存特性，并阐明了两者在光激发下截然不同的动力学响应机制。

C. Seo, L. Shen, A. N. Petsch, S. Wandel, V. Esposito, J. D. Koralek, G. L. Dakovski, M-F. Lin, S. P. Moeller, W. F. Schlotter, A. H. Reid, M. P. Minitti, R. Liang, D. Bonn, W. Hardy, A. Damascelli, C. Giannetti, E. H. da Silva Neto, J. J. Turner, F. Boschini, G. CoslovichThu, 12 Ma🔬 cond-mat

Flocking through a sea of rods

该研究通过数值模拟和平均场模型，揭示了在垂直振动板约束的无源杆状介质中，自驱动杆状粒子会因反扩散不稳定性发生分离并形成随介质浓度增大而增大的群集，且这种分离导致的结构各向异性反而降低了全局极化有序度。

Abhishek Sharma, Harsh SoniThu, 12 Ma🔬 cond-mat

Observation of Kondo hybridization wave in UTe2

该研究利用扫描隧道显微镜在重费米子超导体 UTe2 表面首次观测到打破平移对称性的科多混合波（KHW）有序相，该相表现为周期性调制的 Fano 晶格并与超导态共存，为理解强关联物理及 UTe2 的自旋三重态配对机制提供了新视角。

Xin Yu, Shuikang Yu, Zheyu Wu, Alexander G. Eaton, Andrej Cabala, Michal Vališka, Jun Li, Rui Zhou, Yi-feng Yang, Zhenyu Wang, Peijie Sun, Rui WuThu, 12 Ma🔬 cond-mat

Topological Tunneling Magnetoresistance Driven by Type-II Weyl-Like States in the Room-Temperature Half-Metal Mn2PC Monolayer

该研究预测四方相 Mn2PC 单层是一种居里温度高达 554 K 的室温铁磁半金属，其自旋向上通道中的 II 型类外尔态在自旋轨道耦合下产生显著贝里曲率，从而实现了基于拓扑边缘态的巨隧穿磁阻效应和反常霍尔效应，为室温拓扑自旋电子器件提供了理想平台。

Wei Ma, Yu-Ting Wang, Wen-Bo Sun, Zhiheng Lv, Shuai Shi, Jian-Hong Rong, Tie-Lei Song, Zhi-Feng LiuThu, 12 Ma🔬 cond-mat

Theory of Many-Body Multipole Operators in Single-Centered Electron Systems: Two-Body Toroidal Monopoles in Spinless Orbitals

本文通过将费米子产生湮灭算符表述为球张量并结合克莱布希 - 高登耦合与外代数，构建了包含费米子反对称化的多体算符不可约分解框架，并发现尽管在自旋单电子轨道中不存在，电环面单极子和磁环面单极子却在自旋单电子相互作用多体系统中被激活。

Shingo Kuniyoshi, Rikuto Oiwa, Satoru HayamiThu, 12 Ma🔬 cond-mat

Pauli-limited upper critical field and anisotropic depairing effect of La2.82Sr0.18Ni2O7 superconducting thin film

该研究通过测量 La2.82Sr0.18Ni2O7 薄膜的输运性质，发现其低温下的面内上临界场受自旋顺磁效应抑制并接近泡利极限，而面外方向不受影响，这种各向异性的去对机制导致整体各向异性降低，从而证实了该类镍酸盐超导体的三维体相本质。

Ke Wang, Maosen Wang, Wei Wei, Bo Hao, Mengqin Liu, Qiaochao Xiang, Xin Zhou, Qiang Hou, Yue Sun, Zengwei Zhu, Sheng Li, Yuefeng Nie, Zhixiang ShiThu, 12 Ma🔬 cond-mat

Pairing and charge distribution in Emery ladders preserving the ratio of Cu to O atoms

该研究利用密度矩阵重整化群方法，在保持铜氧原子比例不变的三种 Emery 梯格模型上证实：未掺杂时为电荷转移绝缘体，掺杂后转变为具有增强配对关联的 Luther-Emery 液体，并揭示了电荷分布、配对强度与相互作用之间的内在联系。

Gökmen Polat (Institute of Theoretical Physics, Leibniz Universität Hannover, Germany), Eric Jeckelmann (Institute of Theoretical Physics, Leibniz Universität Hannover, Germany)Thu, 12 Ma🔬 cond-mat

Gap structure and phase diagram of twisted bilayer cuprates from a microscopic perspective

该研究通过紧束缚晶格模型计算，揭示了扭转双层铜氧化物超导体的时间反演对称破缺态与范霍夫奇点位置的关联，阐明了扭转角、层间隧穿、掺杂及温度对序参数的影响，并计算了约瑟夫森临界电流以解释现有实验中的矛盾结果。

Siddhant Panda, Andreas Kreisel, Laura Fanfarillo, Peter HirschfeldThu, 12 Ma🔬 cond-mat

Two-Body Solution and Instabilities along Streda Lines in Moire Flat Bands

本文通过研究外磁场下莫尔平带模型中的多体基态及两体问题，揭示了沿斯特鲁达线（Streda line）的拓扑绝缘态在特定条件下会失稳，并提出了适用于不等磁场情形的“电荷中心基”以推广哈达曼赝势，为研究弱场莫尔平带物理提供了新的理论框架。

Guopeng Xu, Chunli HuangThu, 12 Ma🔬 cond-mat

Discovery of Dynamical Heterogeneity in a Supercooled Magnetic Monopole Fluid

该研究通过在 Dy2Ti2O7 中测量微秒级自发磁化涨落，首次直接探测到超冷磁单极子流体中动力学不均匀性的时空演化特征，揭示了其随温度降低出现的动力学异质性爆发及随之而来的遍历性丧失。

Jahnatta Dasini, Chaia Carroll, Hiroto Takahashi, Jack Murphy, Chun-Chih Hsu, Sudarshan Sharma, Catherine Dawson, Fabian Jerzembeck, Stephen J. Blundell, Graeme Luke, J. C. Séamus Davis, Jonathan WardMon, 09 Ma🔬 cond-mat

Paramagnon-Interference Mechanism for Three-Dimensional Bond Order in Kagome Metals AV $_3$ Sb $_5$ (A=Cs, Rb, K): Analysis by the Density-Wave Equation

该研究通过三维密度波方程分析，证实了自旋涨落干涉机制是 AV $_3$ Sb $_5$ 类 Kagome 金属中三维$2\times 2\times 2$键序形成的根本原因，并揭示了其堆叠模式取决于三阶金兹堡 - 朗道项的大小与符号。

Seiichiro Onari, Rina Tazai, Youichi Yamakawa, Hiroshi KontaniMon, 09 Ma🔬 cond-mat

The dual Ginzburg-Landau theory for a holographic superconductor: Finite coupling corrections

该论文通过高斯 - 邦内特全息超导体模型，推导了有限耦合下的对偶金兹堡 - 朗道理论，发现有限耦合效应使金兹堡 - 朗道参数增大（系统更接近第二类超导体）且凝聚值增加，同时指出了以往研究中“朴素”AdS/CFT 字典及仅凭势项确定凝聚值的两个潜在问题。

Makoto NatsuumeMon, 09 Ma🔬 cond-mat

All-water supercapacitor enabled by 1-nm clay channels

该研究利用天然丰富的层状粘土和导电石墨烯构建了一维纳米通道，使受限水作为唯一电解质，成功开发出一款工作电压达 1.6 V、循环寿命超过 6 万次的可持续全水基超级电容器。

Vasily Artemov, Svetlana Babiy, Yunfei Teng, Jiaming Ma, Alexander Ryzhov, Tzu-Heng Chen, Lucie Navratilova, Victor Boureau, Pascal Schouwink, Mariia Liseanskaia, Patrick Huber, Fikile Brushett, Lyesse Laloui, Giulia Tagliabue, Aleksandra RadenovicMon, 09 Ma🔬 cond-mat

Chaos-generating periodic orbits of topological defects in confined active nematics

该研究通过数值模拟发现，在受限二维活性向列相中，当缺陷成对产生被抑制但流动未被完全抑制时，特定数量的 $+1/2$ 拓扑缺陷（如3个或4个）会形成稳定的周期性轨道（如“金辫”和“银辫”），其动力学行为（有序或混沌）由缺陷数量与流场涡旋数量之间的平衡所决定。

Brandon Klein, Alejandro J. Soto Franco, Md Mainul Hasan Sabbir, Matthew J. Deutsch, Ross Kliegman, Robin L. B. Selinger, Kevin A. Mitchell, Daniel A. BellerMon, 09 Ma🔬 cond-mat

Microscopic origin of the nemato-elastic coupling and dynamics of hybridized collective nematic-phonon excitations

该论文通过建立基于杂质诱导电子 - 声子直接耦合的微观理论，揭示了金属中电子向列涨落与横向声学声子混合形成具有丰富阻尼行为的集体激发模式，并阐明了其在向列量子临界点附近的动力学特征及其对超导配对机制的潜在影响。

Morten H. Christensen, Michael Schütt, Avraham Klein, Rafael M. FernandesMon, 09 Ma🔬 cond-mat

Magnetic penetration depth in topological superconductors: Effect of Majorana surface states and application for UTe $_2$

该研究利用双轨道模型分析了 UTe $_2$ 中轨道自由度和马约拉纳表面态对磁穿透深度的影响，揭示了不同拓扑超导态下穿透深度随温度变化的独特幂律行为，并论证了该测量手段在低 Ginzburg-Landau 参数超导体中探测马约拉纳表面态的有效性。

Kazuki Akuzawa, Jushin Tei, Ryoi Ohashi, Satoshi Fujimoto, Takeshi MizushimaMon, 09 Ma🔬 cond-mat

cond-mat

Persistent short-range charge correlations revealed by ultrafast melting of electronic order in YBa $_2$ Cu $_3$ O $_{6+x}$

Flocking through a sea of rods

Observation of Kondo hybridization wave in UTe2

Topological Tunneling Magnetoresistance Driven by Type-II Weyl-Like States in the Room-Temperature Half-Metal Mn2PC Monolayer

Theory of Many-Body Multipole Operators in Single-Centered Electron Systems: Two-Body Toroidal Monopoles in Spinless Orbitals

Pauli-limited upper critical field and anisotropic depairing effect of La2.82Sr0.18Ni2O7 superconducting thin film

Pairing and charge distribution in Emery ladders preserving the ratio of Cu to O atoms

Gap structure and phase diagram of twisted bilayer cuprates from a microscopic perspective

Two-Body Solution and Instabilities along Streda Lines in Moire Flat Bands

Discovery of Dynamical Heterogeneity in a Supercooled Magnetic Monopole Fluid

Paramagnon-Interference Mechanism for Three-Dimensional Bond Order in Kagome Metals AV $_3$ Sb $_5$ (A=Cs, Rb, K): Analysis by the Density-Wave Equation

The dual Ginzburg-Landau theory for a holographic superconductor: Finite coupling corrections

All-water supercapacitor enabled by 1-nm clay channels

Chaos-generating periodic orbits of topological defects in confined active nematics

Microscopic origin of the nemato-elastic coupling and dynamics of hybridized collective nematic-phonon excitations

Magnetic penetration depth in topological superconductors: Effect of Majorana surface states and application for UTe $_2$

Machine-learning-derived protocols for information-based work extraction from active particles

Comparison of some geometric frameworks for dissipative evolution in multiscale non-equilibrium thermodynamics

Tethering effects on first-passage variables of lattice random walks in linear and quadratic focal point potentials

Universality in driven systems with a multiply-degenerate umbilic point

cond-mat

Persistent short-range charge correlations revealed by ultrafast melting of electronic order in YBa2_22​Cu3_33​O6+x_{6+x}6+x​

Flocking through a sea of rods

Observation of Kondo hybridization wave in UTe2

Topological Tunneling Magnetoresistance Driven by Type-II Weyl-Like States in the Room-Temperature Half-Metal Mn2PC Monolayer

Theory of Many-Body Multipole Operators in Single-Centered Electron Systems: Two-Body Toroidal Monopoles in Spinless Orbitals

Pauli-limited upper critical field and anisotropic depairing effect of La2.82Sr0.18Ni2O7 superconducting thin film

Pairing and charge distribution in Emery ladders preserving the ratio of Cu to O atoms

Gap structure and phase diagram of twisted bilayer cuprates from a microscopic perspective

Two-Body Solution and Instabilities along Streda Lines in Moire Flat Bands

Discovery of Dynamical Heterogeneity in a Supercooled Magnetic Monopole Fluid

Paramagnon-Interference Mechanism for Three-Dimensional Bond Order in Kagome Metals AV3_33​Sb5_55​ (A=Cs, Rb, K): Analysis by the Density-Wave Equation

The dual Ginzburg-Landau theory for a holographic superconductor: Finite coupling corrections

All-water supercapacitor enabled by 1-nm clay channels

Chaos-generating periodic orbits of topological defects in confined active nematics

Microscopic origin of the nemato-elastic coupling and dynamics of hybridized collective nematic-phonon excitations

Magnetic penetration depth in topological superconductors: Effect of Majorana surface states and application for UTe2_22​

Machine-learning-derived protocols for information-based work extraction from active particles

Comparison of some geometric frameworks for dissipative evolution in multiscale non-equilibrium thermodynamics

Tethering effects on first-passage variables of lattice random walks in linear and quadratic focal point potentials

Universality in driven systems with a multiply-degenerate umbilic point

Persistent short-range charge correlations revealed by ultrafast melting of electronic order in YBa $_2$ Cu $_3$ O $_{6+x}$

Paramagnon-Interference Mechanism for Three-Dimensional Bond Order in Kagome Metals AV $_3$ Sb $_5$ (A=Cs, Rb, K): Analysis by the Density-Wave Equation

Magnetic penetration depth in topological superconductors: Effect of Majorana surface states and application for UTe $_2$