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 study demonstrates that standalone heavy-metal films, particularly platinum, can serve as efficient terahertz emitters via the ultrafast photo-Nernst effect, challenging the conventional reliance on spintronic heterostructures by showing that thermal conductivity suppression and magnetic field tuning can amplify single-layer emission to match benchmark bilayer performance.
This paper demonstrates that periodically driving the Benalcazar-Bernevig-Hughes (BBH) model and introducing non-reciprocal hopping dynamically generates a hybrid-order topological phase with coexisting edge and corner states, alongside a -like skin effect that induces a transition from unipolar to bipolar localization, thereby revealing topological features inaccessible in static systems.
This study reports the successful growth of atomically flat, hexagonal FeTe islands on SrTiO3 substrates, where scanning tunneling spectroscopy reveals a gap-filling temperature near 40 K that suggests the potential for superconductivity in iron telluride at ambient pressure.
This study demonstrates that in helical trilayer graphene, electronic interactions drive a unique, doping-controlled mechanism where valence and conduction bands cyclically reverse roles, revealing a new class of correlated phase transitions that access all three internal degrees of freedom (spin, valley, and sublattice) through sharp magnetic signatures detectable via nano-SQUID magnetometry.
This study experimentally demonstrates that nonlinear effects in nanometer-thick YIG films can counteract dispersion broadening to form envelope solitons, enabling the milliwatt-powered transmission of ultrashort spin-wave pulses over tens of micrometers without temporal distortion.
This paper establishes that shot noise measurements in gate-defined graphene quantum point contacts reveal a distinct Landau-level-resolved crossover between a universal chaotic-cavity Fano factor of for higher levels and a unique for the zeroth level, a signature arising from sublattice-polarized single-channel transport that cannot be detected by conductance alone.
Researchers have experimentally realized the parity anomaly in a genuine two-dimensional system of ultracold dysprosium atoms by engineering a synthetic dimension, observing a robust half-quantized Hall response at a topological phase transition that is protected by emergent parity symmetry.
This study reports the fabrication of high-mobility SrTiO surface electron gases via hydrogen plasma exposure that exhibit suppressed superconductivity down to 10 mK and demonstrate unique electrostatic gating behaviors, including improved modulation with larger gate separations and stochastic pinch-off events at low densities, offering a promising epitaxy-free platform for quantum devices.
This study investigates the coupling between surface acoustic waves and ferromagnetic resonance in a CoFeB film on a LiNbO3 substrate, revealing an unexpected 2-fold symmetry in SAW energy absorption that is attributed to weak in-plane uniaxial anisotropy rather than dipolar interactions.
This study demonstrates that applying a magnetic field to narrow channels of delafossite metals PdCoO and PtCoO induces a unique directional ballistic magnetoresistance regime, where the transport properties are governed by Fermi surface anisotropy and field-modified boundary scattering rather than bulk behavior.