2818 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 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 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 introduces and validates a path-integral Monte Carlo estimator for calculating the dipole polarizability of interacting Coulomb plasma in the optical limit by utilizing collective and one-particle dipole autocorrelation functions in imaginary time, demonstrating perfect agreement with analytical Drude model references.
This paper proposes a two-qubit spectroscopy method using tailored pulse sequences to independently extract environmental response and noise, enabling the resolution of spatio-temporal correlation spreading, light-cone dynamics, and distinct transport regimes in quantum many-body systems.
This study utilizes ultrafast optical spectroscopy to directly observe and characterize the sub-picosecond formation, trapping, and coherent interconversion dynamics between free and defect-bound excitons in alkali metal halide-assisted CVD-grown monolayer WS with high defect densities.
This paper investigates topological superconductivity and Majorana zero modes in the LaAlO/SrTiO interface using a realistic multiband model, revealing that while a finite out-of-plane magnetic field is required for the topological transition in 2D systems, lateral confinement relaxes this constraint but introduces challenges for observing Majorana states in nanowires due to the exceptionally long localization lengths of orbital-dominated subbands.
This paper demonstrates that anisotropic Dzyaloshinskii-Moriya interaction in oxidized FeGeTe stabilizes long-lived antiskyrmions by creating spatially extended saddle points that suppress entropic contributions to decay, thereby rendering soliton lifetimes effectively temperature-independent and enhancing stability by over five orders of magnitude at room temperature.
This paper demonstrates that in ferrimagnets near the angular momentum compensation point, domain walls can exhibit reversible steady motion under a direct current solely controlled by current strength, a phenomenon driven by the inertial dynamics of an internal collective coordinate that breaks the conventional paradigm of current-direction-dependent motion.
The authors report the observation of a bias-dependent "geometric" current blockade in a quantum dot coupled to 2D and 3D electron gases, where asymmetric tunneling induces a population inversion into a metastable dark triplet state that suppresses current transport due to the geometric shape of the electronic eigenstates.
Using extended Hückel theory, this study investigates how local Ge concentration fluctuations, composition, and layer thickness affect the electronic properties of Si/SiGe/Si nanostructures, demonstrating that a finite quantum well model can effectively capture the essential physics as a faster computational alternative.