2833 papers
Explore the fascinating intersection where quantum materials meet the complexity of everyday environments in the Cond-Mat — Mes-Hall section. This field investigates how tiny particles behave when caught between the orderly world of single atoms and the chaotic nature of bulk matter, revealing the hidden rules that govern electricity, magnetism, and heat in novel substances.
Gist.Science brings these cutting-edge discoveries to you directly from arXiv, the leading repository for physics preprints. We process every new submission in this category as soon as it appears, offering both straightforward, plain-language explanations and deep technical summaries to help researchers and curious minds alike grasp the latest breakthroughs without getting lost in dense equations.
Below are the most recent papers in this dynamic area of condensed matter physics, ready for you to explore.
This study demonstrates that while pure single-channel atomic contacts of Au and Ag exhibit negligible magnetoconductance, the presence of residual oxygen molecules induces a significant decrease in conductance under high magnetic fields, suggesting a pathway to creating magnetically responsive single-channel conductors by combining noble metals with magnetic molecular systems.
This paper demonstrates that automated in situ optimization using the covariance matrix adaptation evolutionary strategy can effectively mitigate random disorder and improve conductance quantization in a quantum point contact device, as validated through both tight-binding simulations and physical experiments.
By combining atomic force microscopy with first-principles calculations, this study reveals that subsurface defects in partially reduced CeO(111) break symmetry to dictate the asymmetric orientation of adsorbed water molecules, thereby identifying specific Ce sites as thermodynamically favored centers for catalytic reactivity.
This study demonstrates that irradiating collinear ferromagnetic helical structures with polarized light induces spin-split transmission and suppresses thermal conductance, thereby significantly enhancing spin thermoelectric performance and the figure of merit, particularly when combined with long-range hopping.
This paper demonstrates that Large Language Model agents, equipped with limited probing tools and guided by trial-and-error persistence rather than explicit instructions, can autonomously discover and verify generalizable knowledge about complex systems, ranging from simple parlor games to advanced Atomic Layer Processing reactor simulations.
This study utilizes a tight-binding model to demonstrate that stacking graphene nanoribbons with graphene sheets creates unique heterostructures where spatial confinement and interlayer interactions can open a tunable band gap and modify electronic properties distinct from the individual components.
This paper establishes a comprehensive dictionary between finite-size corrections in one-dimensional spin chains and fermionic Casimir effects by demonstrating, via the Jordan-Wigner transformation, that ground-state energy corrections in transverse-field Ising and XY models correspond to distinct Casimir phenomena arising from massless, massive, flat, and finite-density fermionic bands.
This paper introduces C2NP, a comprehensive benchmark demonstrating that current state-of-the-art generative models for materials fail to generalize across scale transitions between infinite crystals and finite nanoparticles due to a reliance on template memorization rather than scalable physical understanding.
This paper demonstrates deterministic non-local control and supercurrent-based detection of quantum dot parity configurations within an Andreev molecule, establishing universal selection rules and a sensor-free framework essential for scalable topological quantum computation.
This study demonstrates that nanoscale variations in cathodoluminescence intensity within polycrystalline CsPbBr3 perovskite films are primarily driven by near-field effects, specifically enhanced light trapping at curved grain boundaries and Fabry-Perot-like resonances, rather than intrinsic material property differences.