3246 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 presents a systematic framework for constructing all-bands-flat lattice Hamiltonians with broken time-reversal symmetry by threading magnetic flux through plaquettes and applying unitary transformations, resulting in compact localized states that host flux-dependent circulatory currents.
This paper investigates the critical behavior of Chern insulator transitions at a boundary, demonstrating that while chiral edge modes delocalize into the bulk, they retain a chiral structure and encode parity-odd anomaly coefficients in correlation functions, a framework applicable to general time-reversal breaking (2+1)d conformal field theories and higher-dimensional topological transitions.
This paper proposes that the electron coherence length serves as the critical length scale for determining quantum confinement in silicon nanostructures, estimating a threshold of approximately 8 nm for electrons while highlighting that phonon confinement lacks a single universal scale due to the wide variation in phonon coherence lengths.
This paper derives new quantum-geometric bounds on the Casimir force between two-dimensional plates, revealing that while flat Chern bands can enhance repulsion at experimentally relevant distances, the magnitude and sign of the force are fundamentally constrained by quantum geometry rather than solely by the Chern number.
This study utilizes complementary Sagnac magneto-optics and harmonic Hall measurements to demonstrate that interface engineering in Co/Gd-based synthetic ferrimagnets enables precise quantification and optimization of spin-orbit torques, revealing the active role of rare-earth layers in torque generation and facilitating low-power current-induced magnetic switching.
This paper introduces a graphite-gated architecture for bilayer graphene that completely isolates the active device from natural edges, enabling the fabrication of fully electrostatically defined Hall-bars with disordered boundaries and field-effect transistors exhibiting record-high quantum mobility of 2.5 × 10⁶ cm²/Vs.
This paper demonstrates that applying uniaxial strain to Ge/SiGe quantum wells significantly enhances Rashba spin-orbit coupling, enabling hole spin qubits to achieve unprecedented Rabi frequencies exceeding 40 GHz while simultaneously becoming immune to electric noise.
This paper demonstrates that, unlike in electronic systems where topological effects cancel out in transport noise, multiband bosonic systems exhibit a unique, occupation-weighted dispersion of Chern numbers in their current fluctuations that can be experimentally detected via a frequency-resolved equilibrium cross-spectrum sum rule.
The authors present an ultracompact, fast-cycling dilution refrigerator that achieves a full cooldown to 70 mK in under 2.5 hours while maintaining sufficient cooling power to characterize superconducting qubits with 99% gate fidelity, thereby enabling high-throughput quantum hardware development without compromising measurement quality.
This paper presents a compact, integrated miniature evaporator fabricated from a commercial incandescent lamp that enables the in-operando deposition of isolated iron atoms onto cold samples within a millikelvin scanning tunneling microscope, overcoming geometric constraints while maintaining thermal stability and preserving access to the same atomic-scale surface region.