2792 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 provides a geometric interpretation of the pole-zero formalism for characterizing the topology of inversion-symmetric one-dimensional periodic media by demonstrating that the associated invariant arises from the monodromy of a Real eigenline bundle constructed on the universal covering of the Brillouin circle.
This study reveals that the charging energy in a fractional quantum Hall cavity is dynamically modulated by the magnetic field through active screening mechanisms at weakly pinched quantum point contacts, fundamentally challenging the view of these constrictions as passive boundaries and necessitating a reevaluation of interference-based anyonic statistics measurements.
This paper introduces a comprehensive micromagnetic framework for analyzing vector-like cluster magnetic multipoles, which is demonstrated through simulations of magnetic-octupole domain-wall dynamics in to reveal key features like profile deformation and effective inertial mass, thereby providing a unified approach for investigating mesoscopic dynamics in advanced functional magnetic materials.
This paper develops a theoretical framework for active quantum reservoir engineering, demonstrating how time-dependent control of a quantum system can manipulate its environment to act as an entropy sink, with applications validated in superconducting qubits and semiconductor quantum dots.
This study demonstrates an all-optical spin pumping method in a Ge-on-Si heterostructure that overcomes silicon's inherent limitations to achieve a record-high 9% spin polarization degree, thereby enabling the optical exploitation of silicon's spin-dependent properties for quantum and spintronic applications.
This paper derives simple expressions for time-dependent tunneling current in adiabatic regimes with finite-bandwidth reservoirs, defining a physically consistent tunneling time that reveals an intrinsic delay persisting even in static barriers and aligns well with optical experimental data.
This paper employs a linear hydrodynamic model to derive an analytical expression for electron energy loss in sub-5-nm metallic nanoparticles, revealing that penetrating electron beams can efficiently excite confined bulk plasmons with size- and impact-parameter-dependent spectral blueshifts and selection rules that are inaccessible to local dielectric frameworks.
This study utilizes time-resolved microwave measurements to demonstrate that the scattering of first-order azimuthal spin waves into vortex gyration and Floquet spin waves occurs via a three-wave splitting mechanism, characterized by a synchronous emergence of these modes after a power-dependent incubation delay that diverges at the scattering threshold.
This paper theoretically demonstrates that spin-orbit coupling induces avoided crossings in the dispersion relation of spinful Josephson junctions, leading to pronounced multiple Andreev reflection features in the subharmonic gap structure whose visibility under an external magnetic field is governed by the spin polarization of the bands.
This study utilizes lab-based Dark-Field magneto-optical Kerr effect magnetometry, supported by micromagnetic simulations and X-ray data, to characterize the magnetization reversal mechanism of double-helix nanowires as being mediated by the nucleation and propagation of helical vortex tubes, thereby demonstrating a viable alternative to large-scale facilities for probing 3D magnetic nanostructures.