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.
The paper proposes a scalable architecture for quantum computing where virtual phonons in a linear chain of electrons within a nanowire mediate effective spin-spin coupling between distant quantum dots, achieving coupling strengths exceeding 30 MHz in GaAs systems.
This Perspective reviews the evolution of non-Hermitian physics from single-particle linear models to interacting many-body systems, clarifying the physical origins of non-Hermitian dynamics and exploring the rich phenomenology arising from the interplay of non-Hermiticity and interactions, including topological phases, dissipative chaos, and nonlinear collective phenomena.
This paper presents an end-to-end benchmark demonstrating that a hybrid sequential quantum solver executed on IBM Heron processors can achieve sub-second runtimes and solution quality competitive with strong multi-core classical solvers, including those utilizing 128 vCPUs or 8 NVIDIA A100 GPUs, for higher-order unconstrained binary optimization problems.
This paper presents a first-principles simulation framework based on density functional theory and the Landauer-Büttiker formula to rigorously model electrostatics and transport in 2D topological insulator field-effect transistors, highlighting the critical role of DFT in accurately capturing edge dispersions and predicting device switching behavior.
This paper develops an analytical framework to probe strong light-matter coupling in core-shell nanoparticles using fast electron beams, revealing that while spectral signatures of this coupling remain robust in plasmonic systems, they can be significantly suppressed or obscured in dielectric systems depending on the electron beam's position and velocity.
This paper introduces the "eccentricity valley Hall effect," a robust, geometry-driven phenomenon in time-reversal-invariant valleytronic systems where the valley Hall angle is intrinsically determined by the eccentricity of the Fermi surface, as demonstrated through first-principles calculations in monolayer GeS.
This paper proposes a Hanbury Brown-Twiss interferometer in a cross geometry, analyzed via non-equilibrium Keldysh theory, to directly extract the fractional anyonic exchange phase by measuring the phase shift between single-particle and two-particle interference currents, thereby resolving the -ambiguity inherent in previous braiding phase measurements.
This paper presents a dynamical analysis of finite-time braiding operations for Majorana zero modes in topological nanowires, deriving time-dependent gate elements for both adiabatic and non-adiabatic shuttling methods to bridge the gap between physical qubit systems and universal fault-tolerant quantum algorithms.
This paper demonstrates that locally back-thinning epitaxial substrates enables linear dichroic soft X-ray microscopy to resolve nanoscale ferroelectric stripe domains in KNaNbO thin films, overcoming previous substrate absorption limitations and establishing a method for time-resolved studies of strain-stabilized domain structures.
This study combines theoretical modeling and scanning NV center magnetometry to demonstrate that magnonic harmonic generation in NiFe/Pt microstripes arises from nonlinear magnetization dynamics localized at inhomogeneous textures like edges and domain walls, revealing key characteristics such as power-law scaling and chiral stray fields that enable the engineering of nonlinear magnonic functionality.