2446 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 Coulomb-driven band unflattening in moiré graphene suppresses the screening and susceptibility necessary for -phonon pairing, thereby ruling out a purely phonon-mediated mechanism for the observed superconductivity.
This paper investigates the uniform states, stability limits, and oscillation modes of one-dimensional chains of thin magnetic islands on a nonmagnetic substrate, revealing how the competition between shape anisotropy and dipolar interactions gives rise to three distinct uniform states with different symmetries.
This paper presents a mean-field analysis of magic-angle twisted symmetric trilayer graphene under strain and electric fields, revealing robust Kekulé spiral order and a unique commensurate variant absent in bilayer systems, alongside complex charge transfer cascades driven by band dispersion differences.
This paper identifies the Chern texture insulator (CTI), a novel intervalley-coherent correlated state characterized by momentum-space valley textures driven by band topology, as an energetically competitive ground state in specific moiré materials lacking twofold rotation symmetry through detailed Hartree-Fock analysis.
This paper demonstrates that the quantum Hall bilayer at filling factor undergoes a successive transition in electron-vortex binding as interlayer separation increases, evolving from interlayer paired electrons and holes at small distances to composite fermions with four attached vortices at large distances, while successfully describing both Goldstone and meron excitations through trial wavefunctions with high overlaps to exact diagonalization results.
This paper investigates the stability and transitions among three uniform metastable states in a one-dimensional chain of anisotropic magnetic islands under a transverse magnetic field, analyzing small-amplitude wave deviations and presenting a phase diagram that characterizes the system's multistable properties in the field-anisotropy plane.
This study demonstrates that topological defects, specifically step edges in the topological crystalline insulator PbSnSe, can serve as sensitive probes to experimentally differentiate broken chiral symmetry from preserved spectral symmetry by inducing a distinct spectral imbalance and chiral flow in the Landau level spectrum.
This paper demonstrates that standard Halperin wavefunctions fail to describe fractional topological insulators in twisted transition metal dichalcogenides due to opposite Chern numbers, but proposes a successful composite fermion pairing trial wavefunction that achieves high overlap with exact ground states when short-range interspin Coulomb repulsion is sufficiently suppressed.
This paper investigates the magnetization properties of a chain of dipole-coupled elongated magnetic islands under a perpendicular magnetic field, revealing three distinct uniform states and their field-dependent transitions, stability limits, and hysteresis behaviors to guide the design of advanced magnetic materials.
This study demonstrates that thermal annealing of RF-sputtered GaO thin films on c-plane sapphire induces aluminum diffusion to form a tunable -(AlGa)O alloy, enabling the bandgap to be adjusted between 4.85 and 5.30 eV by varying the annealing temperature.