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 paper demonstrates that electroluminescence spectra in silicon nanostructures with dipole center chains reveal nondissipative charge transport up to room temperature, where spectral peaks and dips correlate with odd and even fractional resistance quantum staircases, respectively, suggesting a link between Landau quantization and induced irradiation mechanisms.
This paper unveils a universal family of chiral-symmetric lattice models featuring perfectly flat bands with quantized Berry-dipole moments, demonstrating how this nontrivial quantum geometry drives unique topological phenomena such as bidirectional Wannier center pumping, dipolar Haldane phases, and orientation-dependent bulk helical zero modes.
This study demonstrates the coherent optical excitation and time-domain characterization of valley-orbit split states in phosphorus-doped silicon, revealing how pre-excited carrier density influences wavepacket dynamics and enabling the access of Raman-forbidden transitions through displacive impulsive excitation.
Using magnetic resonance spectroscopy, researchers discovered that natural graphite crystals exhibit an unprecedented room-temperature electron spin lifetime of approximately 1,000 ns with giant anisotropy, a phenomenon limited by spin diffusion to crystallite edges that positions graphite as a promising material for spintronic applications.
This paper demonstrates the effectiveness of the kernel polynomial method in evaluating real-space second and third Chern numbers for four- and six-dimensional topological systems, respectively, by validating its accuracy against theoretical expectations and its capability to characterize disorder effects in large-scale numerical simulations.
This paper presents a spin-mechanical setup utilizing a focused electron beam-induced deposition cobalt nanomagnet to achieve a directly measured high magnetic field gradient of 170 kT/m while preserving spin coherence, thereby demonstrating viable spin-mechanics coupling for future quantum information and sensing applications.
This study reveals that ultrafast demagnetization and remagnetization-driven spin accumulation, governed by the reference-layer dynamics, are the key mechanisms enabling all-optical magnetization switching in multilayer spintronic devices.
This paper demonstrates that intrinsic higher-order topological electronic states drive a unique "hopper-like" crystal growth morphology where corners advance faster than central regions, distinguishing it from the dendritic shapes of normal insulators through quantitative analysis of fractal dimensions.
This paper theoretically demonstrates that in a double-island metal-semiconductor device within the integer quantum Hall regime, heat Coulomb blockade leads to a thermal conductance suppression factor of beyond the single-island limit, while also identifying conditions for the violation of the Wiedemann-Franz law.
This paper reports the discovery of alignment-dependent, gapless chiral split magnons confined within altermagnetic domain walls that operate in the microwave regime and can be manipulated via spin-orbit torque, offering a promising platform for novel magnonic nanocircuitry.