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Vortex motion defines transport properties of type II superconductors. Here, authors study the effect of vortex synchronisation with an external periodic drive, that leads to the effects of integer and fractional Shapiro steps and even creates metastable states.
The study focuses on the charge order in LaRu3Si2, a material with a kagome lattice structure, discovering a charge-ordered state that persists at or above room temperature. This finding classifies LaRu3Si2 as the kagome superconductor with the highest charge ordering temperature, suggesting potential for applications in devices operating at normal environmental conditions without the need for cooling.
Superfluidity, a liquid exhibiting frictionless flow, is so far limited to observations in low-temperature 3He and 4He, where the underlying mechanisms governing the quantum state are complex and different for each isotope, making for a fascinating but challenging phenomenon to study experimentally. The authors use isotope-sensitive neutron reflectometry to investigate mixed 3He/4He superfluid He films on a Si surface, and resolve the structural features and phase transitions that occur with changing temperature.
Topological insulators with ordered moments of embedded magnetic atoms are viable platforms for quantum electronics, but the practical applications are restricted by the size of their crystals. The authors synthesize a Z2 topological insulator GexMn1-xBi2Te4 in the form of a large crystal with high structural perfection and tunable magnetic and electronic properties.
Hyperfine interaction is the key term for utilizing individual nuclear spins in solids. This work introduces a method that yields high-accuracy hyperfine values for nuclear spins at arbitrary distances from addressable electron spins, such as the NV center in diamond.
Compact localized states constitute an auxiliary state representation for a flat-band lattice system with wave functions non-zero only in a finite portion of the lattice. Here, the authors show that in some flat-band systems, these states can be partially “hidden”; surprisingly, these ghost flat bands present an obstruction to be represented as maximally localized Wannier functions.
Optical resonators are essential tools for high precision metrology and applications where the spectral purity is highly demanded. Here, the authors demonstrate a monolithic resonator made of fused silica to support 18 Hz integrated laser linewidth in the ambient environment, and W-band microwave generation with low phase noise of -100 dBc/Hz at 10 kHz frequency offset.
This study reports on the simultaneous emergence of the impurity Kondo effect and incommensurate magnetic ordering in the layered material AgCrSe2 these usually mutually exclusive phenomena complement each other. The ability to enable Kondo effect in association with the antiferromagnetic order, provides a novel route to tune the competition between magnetic correlations and Kondo screening.
High-order structures are ubiquitous in numerous real-world networks and play a significant role in social contagion phenomena, the authors introduce a novel higher-order non-Markovian social contagion model, addressing limitations of traditional models. Through mean-field theory and simulations, the authors demonstrate that there is an equivalence between the higher-order non-Markovian and the higher-order Markovian social contagions and reveal the resilience enhancement conferred by non-Markovian recovery, shedding light on real-world contagion dynamics.
The paper addresses the task of extracting individual objects from multi-dimensional overlapping-sparse images, with valuable impact in high-energy physics (future high-precision long-baseline neutrino oscillation experiments). The developed tool will allow to reduce systematic errors and avoid model dependence, improving the neutrino energy resolution and sensitivity.
In this study, the authors propose a generic machine-learning-assisted framework to improve the overall performance of quantum sensing application. In the context of an atomic force sensor, this entirely data-driven approach, which involves generating the digital twinning of experimental data, demonstrates an order of magnitude improvement in sensitivity compared to conventional protocols.
Developing physical methods to modulate biomolecular condensates on cell membranes is of great importance for understanding physiological processes and stimulating novel therapeutic strategies. We propose an effective means to control receptor condensation on cell membranes via adhesion to a supported lipid bilayer with nanoscale topography.
This work examines imaginarity as a resource in quantum information theory. The authors extend the resource theory of imaginarity to distributed scenarios, discuss the operational meaning and its role in channel discrimination.
Community detection has been studied for more than 20 years, but a perspective from community center is still missing and most algorithms need global information. The authors propose a linear algorithm based on local information to identify centers and related hierarchical structure for effective community detection, which can enhance clustering vector data as well.
Lorentz symmetry plays a fundamental role in classical to quantum electrodynamics, as well as in quantum chromodynamics, which is typically realized at sufficiently high energies and often exclusively in closed or isolated quantum systems. Here, the authors show that such a fundamental space–time symmetry can also be manifest as an emergent symmetry even in open Dirac systems, when they interact with the surrounding environment.
Photonic Ising machines exploit the parallelism and high propagation speed of light to solve combinatorial optimization tasks. The authors propose and demonstrate a photonic Ising machine with a fully reconfigurable optical vector-matrix transformation system and a modified algorithm based on simulated annealing, solving 20 and 30-spin Ising problems with high ground state probability.
Many excitable systems share a common feedback motif, but how such feedback acts on biomechanical systems remains largely unexplored. By extending the cellular vertex models to incorporate mechanochemical feedback and excitability, the authors explore how cellular mechanics and geometry regulate the propagation of active stresses in excitable media.
Solitons are nonlinear, stable and coherent solitary wave structures that have been investigated in a variety of systems from optics to plasma physics. The authors experimentally and theoretically investigate the dynamics of soliton arrays in a two-component Bose-Einstein condensate.
The advent of non-Hermitian optics carries new possibilities in manipulating optical response, offering alternative ways to enhance the quantum coherence of plasmonic resonances. Based on a theoretical model, the authors calculate a quantum yield enhanced by two orders of magnitude at room temperature, achieved by integration of a plasmonic antenna in a photonic cavity operated at a chiral exceptional point.
Since 1974, it was theoretically postulated that black holes, despite their name, emit radiation with a spectrum like that of a black body. Utilizing surface gravity water waves to emulate black hole physics, the authors reveal the emergence of a logarithmic phase singularity analogous to that predicted by Hawking in black holes, whose energy distribution associated with the singularity results in a Fermi-Dirac distribution instead of the familiar Bose-Einstein statistics of the Hawking radiation.
