3224 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 investigates how different types of impurity scattering, particularly polarized magnetic impurities, modulate the nonlinear Hall effect in Weyl semimetals by deriving conductivity tensors within a semiclassical Boltzmann framework and revealing that while magnetic disorder introduces a helicity-dependent anisotropic correction, the isotropic response from scalar disorder remains dominant.
HarmonicBalance.jl is a free Julia package that simplifies the analysis of nonlinear periodic systems by combining the harmonic balance method with symbolic algebra and homotopy continuation to numerically determine all steady-state solutions and their fluctuation dynamics, complete with a graphical user interface for exploring solution topologies.
This paper presents an entropy measurement protocol for a tunable GaAs double quantum dot that successfully tracks the evolution from atomic-like to molecular states, quantitatively demonstrating how increasing interdot tunneling suppresses higher-energy orbital and spin configurations in agreement with a two-site Hubbard model.
This study combines thermoreflectance and electrical measurements to demonstrate that the Wiedemann-Franz law, when applied with the bulk Sommerfeld-Lorenz number, significantly overestimates the thermal conductivity of sputtered tantalum and moderately deviates for aluminum and titanium thin films due to deposition-induced disorder and grain-boundary scattering.
This paper demonstrates that applying a transverse electric field to zigzag graphene nanoribbons opens a tunable terahertz band gap and breaks reflection symmetry to enable helicity-selective valley excitation, resulting in a circular photogalvanic response and offering a pathway for compact, tunable THz emitters.
This paper demonstrates that while unique two-dimensional dielectric screening allows for the formation of bipolarons at arbitrarily low coupling strengths in the limit of infinite polarizability ratio, stable bipolarons are ultimately confined to a finite coupling range and generally disfavored in polar monolayers due to the absence of stability in the strong coupling limit.
This paper demonstrates that gate-defined hole-spin qubits exhibit tunable spin-acoustic chirality, where counterpropagating surface acoustic waves couple asymmetrically to enable both classical phase-coherent control and quantum anisotropic interactions for applications like phonon-mediated Bell-state initialization.
This study systematically characterizes the layer-dependent vibrational and optical properties of MoWSe alloys from monolayer to nine layers using a combination of experimental spectroscopy and first-principles calculations, establishing comprehensive spectroscopic fingerprints for non-destructive thickness determination and revealing significant thickness-induced modifications to the electronic band structure.
This paper demonstrates that the transition to quantum synchronization in coupled oscillators is governed by cascades of Liouvillian exceptional points protected by generalized PT symmetry, which dictate the spectral flow of slow modes and provide distinct experimental signatures even in the few-particle regime.
This paper establishes that the parity anomaly in (2+1)-dimensional field theory provides a parameter-free, exact formula for the thermal Hall response of chiral superconductivity in rhombohedral graphene, predicting a signal that emerges at the pair-formation temperature rather than the phase-coherence temperature and offering a falsifiable test linking the sign of the thermal Hall coefficient below to the anomalous Hall resistance measured above it.