⚛️ Category

quant-ph

5886 papers

Quantum physics explores the strange and often counterintuitive rules that govern the universe at its smallest scales. This field investigates how particles like electrons and photons behave in ways that defy our everyday intuition, forming the backbone of modern technologies from lasers to future quantum computers. While the mathematics can be daunting, the core ideas promise to revolutionize how we understand reality and process information.

At Gist.Science, we make these complex discoveries accessible to everyone. We systematically process every new preprint published in the Quant-Ph category on arXiv, transforming dense academic papers into clear, plain-language explanations alongside detailed technical summaries. Whether you are a seasoned researcher or a curious reader, our goal is to bridge the gap between cutting-edge theory and human understanding.

Below are the latest papers in quantum physics, distilled to help you grasp the newest breakthroughs without getting lost in the jargon.

Robust Mixed-State Cluster States and Spurious Topological Entanglement Negativity

This paper demonstrates that mixed-state subsystem symmetry-protected topological order in cluster states remains robust up to maximal decoherence rates when noise respects strong subsystem symmetry, and proposes "spurious topological entanglement negativity" as a constant correction to area-law scaling for detecting this order while highlighting the non-invariance of standard topological entanglement negativity under finite-depth quantum channels.

Seunghun Lee, Eun-Gook Moon2026-06-11⚛️ quant-ph

Circulators Based on Coupled Quantum Anomalous Hall Insulators and Resonators

This paper demonstrates that topological circulators based on coupled quantum anomalous Hall insulators and resonators, modeled by an asymmetric non-Hermitian Hatano-Nelson system, achieve superior non-reciprocal performance with up to 50 dB isolation across a broad power range, offering a promising platform for integrating microwave devices with superconducting quantum information systems.

Luis A. Martinez, Nick Du, Nicholas Materise, Sean O' Kelley, Xian Wu, Gang Qiu, Kang L. Wang, Gianpaolo P. Carosi, Tony Low, Dong-Xia Qu2026-06-11🔬 cond-mat.mtrl-sci

Quantum logic operations and algorithms in a single 25-level atomic qudit

This paper demonstrates the feasibility of high-dimensional quantum computing by experimentally realizing a 25-level 137^{137}Ba+^+ ion qudit with high-fidelity state control, analyzing error scaling, and successfully executing complex multi-qubit algorithms like the Bernstein-Vazirani algorithm and Toffoli gate within a single ion.

Pei Jiang Low, Nicholas C. F. Zutt, Gaurav A. Tathed, Crystal Senko2026-06-11⚛️ quant-ph

Bound state solutions with a linear combination of Yuakawa plus four-parameter diatomic potentials using path integral approach: Thermodynamic properties

This paper utilizes the path integral formalism and an approximation for the centrifugal term to derive the energy spectrum and wave functions for a linear combination of Yukawa and four-parameter diatomic potentials, subsequently using these results to calculate the system's partition function and thermodynamic properties.

Mohamed Améziane Sadoun, Redouane Zamoum, Abdellah Touati2026-06-11🔢 math-ph

Physically Constrained Ensemble Gaussian Process Modelling for Expensive Quantum Systems with Heteroskedastic Noise

This paper introduces a Physically Constrained Ensemble Gaussian Process (pc-EGP) framework that integrates physical consistency penalties and ensemble learning to accurately model expensive, heteroskedastic quantum simulations, demonstrating superior performance in predicting critical parameters for the Bose-Hubbard model and optimizing chemical environments for superfluidity compared to conventional methods.

Arpan Biswas, Surtirtha Paul, Joseph Agada, Matthias Thamm, Adrian Del Maestro2026-06-11🔬 physics

Exact Dynamics of Topological Order Across a CDW--SPT Transition

This paper investigates the nonequilibrium dynamics of a one-dimensional system transitioning from a charge-density-wave to a symmetry-protected topological phase, demonstrating that while both sudden quenches and slow ramps melt the initial order, only slow ramps successfully establish topological order by suppressing excitation production, whereas quenches fail due to a finite density of defects.

Pradip Kattel, Yicheng Tang, Natan Andrei2026-06-11🔬 cond-mat

Fisher geometry reshapes the effect of incompatibility in multiparameter quantum estimation

This paper demonstrates that in multiparameter quantum estimation, the precision cost of incompatibility is determined not just by its total strength but critically by its distribution relative to the quantum Fisher information eigenbasis, showing that concentrating incompatibility into a single parameter plane can actually reduce the overall trade-off cost by allowing the Fisher geometry to be reshaped more effectively.

Jiayu He, Matteo G. A. Paris2026-06-11⚛️ quant-ph