2757 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.
Using superconducting subgap spectroscopy, this study reveals that atomic-sized tantalum-oxide resistive switching filaments maintain a constant diameter of 3–8 atoms while their set/reset operations are driven by the redistribution of oxygen vacancies that modulate an extended barrier at the filament's bottleneck, thereby altering the transmission of conduction channels.
This paper employs a novel non-perturbative method to demonstrate that measurement back-action from an electrostatically coupled detector significantly alters the physical properties of an Anderson impurity model, particularly by inducing energy flow that modifies the temperature derivative of occupation under non-equilibrium conditions.
This paper argues that the observed breakdown of the integer quantum Hall effect in a cavity QED system is primarily caused by non-chiral edge channels arising from electrostatic boundary effects, which dominate over previously proposed vacuum-induced transport modifications by many orders of magnitude.
This paper reveals that ordinary semiconductor heterostructures can host an unusual quadratic Dresselhaus spin-orbit coupling term arising from interband effects, which complies with fundamental symmetries and induces distinct quantum phenomena such as hybridized swirling textures and longitudinal Zitterbewegung, thereby opening new avenues for spintronic applications.
This paper demonstrates that adiabatically varying in-plane strain in a chiral superconductor induces a Berry phase in the order parameter due to a half-rotation of the gap function, a topological effect that manifests as observable signatures in the superfluid stiffness tensor, vortex geometry, and upper critical field.
This paper demonstrates that modest magnetic fields (1–2 T) fundamentally reorganize the electronic states in bilayer graphene/hBN moiré systems by inducing valley-contrasting magnetic breakdown and Lifshitz transitions, which drive a unified evolution from semiclassical transport phenomena to valley-symmetry-breaking Hofstadter gaps.
This paper introduces the zero displacement ratio as a geometric order parameter to quantify the distance of realistic fractional quantum Hall states from model wave functions, successfully describing the ground state with long-range Coulomb interactions via a composite fermion fluid framework that resolves the conflict between liquid and crystal orders at short distances.
This paper presents a method to precisely determine the distance and orientation of single nitrogen vacancy centers in diamond nanostructures by scanning them over micro-patterned magnetic structures, enabling traceable nanoscale magnetometry without requiring external vector magnet control.
Using a planar four-Fermi model within the large- approximation, this study demonstrates that a perpendicular magnetic field enhances the excitonic insulator condensate via magnetic catalysis, nonmonotonically shifts the critical chemical potential, alters the phase diagram's tricritical point, and induces characteristic changes in Hall conductivity that serve as signatures of excitonic ordering.
This paper proposes two robust methods for extracting exactly quantized Chern numbers in two-dimensional insulators by observing phase vorticities in Bloch eigenstates, which are experimentally demonstrated in a photonic lattice and particularly advantageous for classical wave systems due to their reliance on non-normalized eigenmodes.