2798 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 proposes a minimal descriptor-based disorder-filter theory that explains the spatial organization of photoluminescence spectra in moiré heterobilayers by revealing a hierarchy of correlation lengths and robust spectral-shape relations, enabling the inference of effective disorder parameters from hyperspectral data without requiring microscopic line assignment.
This paper presents a systematic study of spin control during SWAP operations in double quantum dots at the LaAlO/SrTiO interface, demonstrating that while large dots dominated by orbitals exhibit high fidelity despite Rashba-type spin-orbit coupling, small dots involving higher-energy orbitals suffer from significantly reduced SWAP fidelity.
This paper establishes a theoretical principle demonstrating that by selectively suppressing small-wave-vector and amplifying large-wave-vector electron-density modulations in flat Chern bands, the fractional Chern insulator gap and excitation spectrum can be arbitrarily enhanced and made to correspond predictably to fractional quantum Hall states, thereby providing practical diagnostics for robust non-Abelian states in moiré systems.
This paper introduces quasi-zero pulse designs to mitigate exchange interaction distortions in spin qubits, demonstrating on Intel's Tunnel Falls device that this approach achieves high-fidelity gates comparable to full filtering methods while significantly reducing calibration complexity and parameter tuning requirements.
This paper demonstrates that trivial Andreev bound states in inhomogeneous Majorana nanowires can exhibit robust non-Abelian braiding properties comparable to or even surpassing those of Majorana zero modes under specific conditions, suggesting their potential viability for topological quantum computation.
This paper proposes a practical protocol to quantitatively quantify Majorana qubit stability by coupling them to a quantum dot, where deviations from ideal behavior manifest as a robust Rabi beating pattern whose frequency provides a direct, linear measure of stability independent of the base Rabi frequency.
By solving the semiclassical Boltzmann equation for a doped circular nodal-line semimetal, this study reveals that the toroidal Fermi surface geometry induces two distinct Bloch-Grüneisen temperatures, creating an intermediate temperature regime where the quasiparticle decay rate scales as and conductivity as due to phonon-limited scattering.
By measuring quantum oscillations in rhombohedral tetralayer graphene, researchers discovered that the normal state transitions from a simple quarter metal to a complex "multitone" phase incompatible with previously proposed models, thereby challenging existing assumptions about the material's potential as a chiral superconductor.
This paper demonstrates that widely available consumer AI tools can synthesize realistic experimental data for quantum electronic devices by leveraging basic physics equations and signal characteristics, while recommending the sharing of large volumes of primary data as a countermeasure to identify such undisclosed synthetic outputs.
This paper demonstrates that the assumption of statistically independent thermal fluctuations in fluctuational electrodynamics breaks down at subnanometric separations due to the hybridization of surface fields, leading to significant cross-correlations that substantially modify radiative heat transfer predictions for polar materials.