Clay weekly context brief for the Condensed Matter category (ISO week 2026-W45). Clay tracks publications from the Condensed Matter feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed. Recent publications: 1. Quantum noise spectroscopy of superconducting dynamics in a cuprate thin film Source: cond-mat.supr-con (Superconductivity) Link: https://arxiv.org/abs/2502.04439 Characterizing the low-energy dynamics of quantum materials is crucial for understanding strongly correlated electronic states, yet remains experimentally challenging, particularly in two-dimensional systems. 2. Quasi-Phases of Quantum Matter Source: cond-mat.str-el (Strongly Correlated Electrons) Link: https://arxiv.org/abs/2610.40526 Within quantum many-body phase diagrams, continuous transition lines can appear and then terminate. 3. Teleported free energy simulations Source: cond-mat.stat-mech (Statistical Mechanics) Link: https://arxiv.org/abs/2610.40428 Escorted free energy simulations reduce dissipation with a flow field that follows the equilibrium distribution. 4. Structure and energetics of grain boundaries in self-assembled double-gyroid block copolymer networks Source: cond-mat.soft (Soft Condensed Matter) Link: https://arxiv.org/abs/2605.26927 Grain boundaries (GBs) are ubiquitous defects in crystalline materials, but remain less explored in block copolymer ordered phases. 5. Enhancement of superconducting stiffness in hybrid superconducting-metallic bilayers Source: cond-mat.quant-gas (Quantum Gases) Link: https://arxiv.org/abs/2604.28187 Boosting superconductivity by metallic reservoirs is the essence of Kivelson's bilayer proposal. 6. Reversible and irreversible dynamical topological transitions of magnetic Hopfions Source: cond-mat.other (Other Condensed Matter) Link: https://arxiv.org/abs/2607.15777 Magnetic Hopfions are three-dimensional (3D) topological solitons characterized by a nonzero Hopf invariant and offer a promising platform for 3D spintronics. 7. Collective sliding relaxor ferroelectricity across thousand-layer van der Waals superstructures Source: cond-mat.mtrl-sci (Materials Science) Link: https://arxiv.org/abs/2610.38928 Relaxor ferroelectrics are among the most important electromechanical materials owing to their exceptionally large electrostrictive responses. 8. Moir\'e-enabled chiral plasmons in twisted bilayer graphene nanoislands Source: cond-mat.mes-hall (Mesoscale and Nanoscale Physics) Link: https://arxiv.org/abs/2610.39737 Twisting two stacked graphene layers superimposes a moir\'e superlattice that reshapes their electronic structure, yet how it shapes the collective optical response of finite, nanoscale bilayers remains largely unexplored. 9. Extreme Quantum Cognition Machines for Deliberative Decision Making Source: cond-mat.dis-nn (Disordered Systems and Neural Networks) Link: https://arxiv.org/abs/2603.05430 We introduce Extreme Quantum Cognition Machines, a class of quantum learning architectures for deliberative decision making designed to operate under coarse-grained, ambiguous, and potentially contradictory information. 10. Coexistence of Superconductivity and Chern insulators with |C| $\geq 1$ in twisted rhombohedral bilayer-trilayer graphene Source: cond-mat.supr-con (Superconductivity) Link: https://arxiv.org/abs/2610.40170 Rhombohedral multilayer graphene (RMG) has been demonstrated as a promising platform for investigating strongly correlated phases of matter. 11. Topological Quantum Spin Liquids in a Ladder with Majorana fermions and p-wave Superconductivity Source: cond-mat.str-el (Strongly Correlated Electrons) Link: https://arxiv.org/abs/2610.40297 In this article, we address the possibility of topological quantum spin liquids with only short-range (spin) correlations in the whole phase diagram in a ladder system, through an exactly solvable model which represents a generalization of the two-dimensional Kitaev honeycomb spin model to a ribbon geometry. 12. Seeding and Amplification of Chaos in Long-Range Interacting Spin Chains Source: cond-mat.stat-mech (Statistical Mechanics) Link: https://arxiv.org/abs/2610.40417 Truncating weak interactions is a natural simplification of a many-body Hamiltonian, but the validity of this approximation need not be uniform in distance and time. 13. Inverse Design of Metainterfaces towards Static Friction Control: Beyond the Hertzian Limit Source: cond-mat.soft (Soft Condensed Matter) Link: https://arxiv.org/abs/2605.11012 Programming the static friction of mechanical interfaces is critical for soft robotics, haptics, and precision gripping. 14. Fast projections of two-dimensional light patterns using acousto-optical deflectors Source: cond-mat.quant-gas (Quantum Gases) Link: https://arxiv.org/abs/2604.19421 Precise and flexible control of structured light fields is essential for applications ranging from optical trapping and quantum simulation to microscopy and materials processing. 15. A First Look at Hydrogen Generation in an Ultramafic Rock with Micro-CT and SEM-BEX Source: cond-mat.other (Other Condensed Matter) Link: https://arxiv.org/abs/2512.09466 We present a 4D (time-lapse) micro-CT experiment that visualizes gas emergence and growth during water-rock reaction in an ultramafic granular pack at 100$^\circ$C. 16. Learning Between the Lines: Interaction Interpolation in a Multi Element Machine Learning Interatomic Potential Source: cond-mat.mtrl-sci (Materials Science) Link: https://arxiv.org/abs/2610.38876 The continuous development of machine learning inter-atomic potentials (MLIAPs)has greatly accelerated materials research in recent years. 17. Non-Volatile Memory Devices for Neuromorphic Computing Source: cond-mat.mes-hall (Mesoscale and Nanoscale Physics) Link: https://arxiv.org/abs/2610.39625 This chapter explores the critical role of emerging non-volatile memory (eNVM) devices in advancing neuromorphic computing. 18. Disorder as a route to topological spin textures in amorphous magnets Source: cond-mat.dis-nn (Disordered Systems and Neural Networks) Link: https://arxiv.org/abs/2311.07725 Topological phases in solids are typically associated with crystalline symmetry and periodic order. 19. Continuous tuning of quantum critical behavior in hybrid Josephson junction arrays Source: cond-mat.supr-con (Superconductivity) Link: https://arxiv.org/abs/2610.40104 We report finite-temperature scaling of voltage-driven quantum phase transitions in hybrid Josephson junction arrays. 20. Cage-related crystal-field effects in the paramagnetic range of PrB$_6$ Source: cond-mat.str-el (Strongly Correlated Electrons) Link: https://arxiv.org/abs/2610.40176 New insights into the paramagnetic range of PrB$_6$ below 50 K are revealed through specific-heat, thermal-expansion and magnetic measurements. 21. Non-Gaussian transport in tempered fractional Laplace motion Source: cond-mat.stat-mech (Statistical Mechanics) Link: https://arxiv.org/abs/2610.40113 We study a minimal stochastic model for active transport featuring a non-Gaussian displacement probability density function and transient superdiffusion. 22. Solvent-induced memory effects in a model electrolyte Source: cond-mat.soft (Soft Condensed Matter) Link: https://arxiv.org/abs/2605.06293 The fluctuations of ions in polar solvents remain poorly understood theoretically due to the complex coupling between ionic motion and solvent polarization. 23. Geometry-controlled zeros of resonant Kelvin-wave conversion in four spatial dimensions Source: cond-mat.quant-gas (Quantum Gases) Link: https://arxiv.org/abs/2610.29218 We show that geometry can suppress resonant four-wave conversion of Kelvin waves on a vortex surface in four spatial dimensions. 24. Odd Elasticity in Strain-Gradient Continua: Anisotropy Classification and Non-Hermitian Elastodynamics Source: cond-mat.other (Other Condensed Matter) Link: https://arxiv.org/abs/2610.40581 Odd elasticity extends continuum mechanics to active nonconservative systems containing internal energy sources, such as robotic active metamaterials with nonreciprocal feedback. 25. Autonomous Quantum Measurement with Agentic AI Source: cond-mat.mtrl-sci (Materials Science) Link: https://arxiv.org/abs/2610.38850 Quantum materials exhibit diverse electronic and functional phenomena, but their characterization requires extensive experimental expertise, iterative decision-making and accumulated laboratory knowledge that is difficult to document and transfer. 26. Edge-Plasmon-Induced Magnetization in Higher Chern Insulators Source: cond-mat.mes-hall (Mesoscale and Nanoscale Physics) Link: https://arxiv.org/abs/2610.39555 Higher Chern insulators host multiple dissipationless chiral edge states, one per unit of Chern number. 27. Variational Iterative Rotation Algorithm: Combinatorial Optimization with Classical Kicked Tops Source: cond-mat.dis-nn (Disordered Systems and Neural Networks) Link: https://arxiv.org/abs/2604.01512 We investigate a classical formulation of the Quantum Approximate Optimization Algorithm (QAOA), realized as a Hamiltonian dynamical system of classical kicked tops, which we call the Variational Iterative Rotation Algorithm (VIRAL). 28. Influence of pairing and correlations on transport properties in three-terminal superconducting nanostructure Source: cond-mat.supr-con (Superconductivity) Link: https://arxiv.org/abs/2610.40059 We study the local and nonlocal charge transport properties of three-terminal nanostructure, consisting of the correlated quantum dot embedded between two metallic electrodes and superconductor. 29. Investigation of perovskite related oxides: structural and magnetic properties Source: cond-mat.str-el (Strongly Correlated Electrons) Link: https://arxiv.org/abs/2610.40139 Perovskites exist in varied structures and show structure dependent magnetic properties which is of great interest in the field of multiferroics, magnetocaloric and spintronic devices. 30. Thermodynamic Crossovers in Supercritical Matter: One, No One, and One Hundred Thousand Source: cond-mat.stat-mech (Statistical Mechanics) Link: https://arxiv.org/abs/2610.39986 Beyond a critical point, two thermodynamic phases become continuously connected, without being separated by any thermodynamic singularity. Sources in this brief: cond-mat.dis-nn (Disordered Systems and Neural Networks); cond-mat.mes-hall (Mesoscale and Nanoscale Physics); cond-mat.mtrl-sci (Materials Science); cond-mat.other (Other Condensed Matter); cond-mat.quant-gas (Quantum Gases); cond-mat.soft (Soft Condensed Matter); cond-mat.stat-mech (Statistical Mechanics); cond-mat.str-el (Strongly Correlated Electrons); cond-mat.supr-con (Superconductivity). Selected 30 of 339 available items for this weekly brief.