⚛️ Category

quant-ph

6120 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.

Exceptional point induced quantum phase synchronization and entanglement dynamics in mechanically coupled gain-loss oscillators

This paper demonstrates that exceptional point-induced self-sustained oscillations in mechanically coupled gain-loss optomechanical oscillators drive robust quantum phase synchronization and bipartite Gaussian entanglement in the weak coupling regime, offering promising avenues for phonon-based quantum information processing despite frequency mismatches and thermal decoherence.

Joy Ghosh, Souvik Mondal, Shailendra K. Varshney, kapil Debnath2026-05-11⚛️ quant-ph

Learning quantum Hamiltonians at any temperature in polynomial time

This paper resolves a major open problem by presenting a polynomial-time algorithm that learns local quantum Hamiltonians to precision ϵ\epsilon from polynomially many copies of their Gibbs states at any constant inverse temperature β>0\beta > 0, utilizing a novel flat polynomial approximation and sum-of-squares relaxation to overcome previous computational barriers.

Ainesh Bakshi, Allen Liu, Ankur Moitra, Ewin Tang2026-05-11⚛️ quant-ph

Accelerating Quantum Eigensolver Algorithms With Machine Learning

This paper investigates using machine learning models trained on classical data to predict optimal hyperparameters for accelerating quantum eigensolver algorithms on NISQ devices, achieving a modest error reduction on 28-qubit systems while highlighting the need for further refinement of training data based on Hamiltonian characteristics.

Avner Bensoussan, Elena Chachkarova, Karine Even-Mendoza, Sophie Fortz, Connor Lenihan2026-05-11⚛️ quant-ph

Ultracold Mechanical Quantum Sensor for Tests of New Physics

This work demonstrates the initialization of GHz-frequency mechanical modes in a high-overtone bulk acoustic wave resonator to near-quantum ground states with effective temperatures as low as 25.2 mK, thereby establishing these devices as powerful tools for quantum sensing and placing stringent constraints on high-frequency gravitational waves, ultra-light dark matter, and wavefunction collapse mechanisms.

Andraz Omahen, Simon Storz, Marius Bild, Dario Scheiwiller, Matteo Fadel, Yiwen Chu2026-05-11🔬 cond-mat.mes-hall

Two-photon coupling via Josephson element II: Interaction dressing, cross-Kerr coupling, and limits of low-energy bosonic model

This paper investigates the renormalization of interactions mediated by a symmetric SQUID in a coupled phase qubit system, demonstrating that cross-Kerr coupling persists due to potential asymmetry and coupler nonlinearity, while establishing the limits of the low-energy bosonic model and providing verifiable predictions for two-photon detection and quantum-nondemolition readout applications.

Eugene V. Stolyarov, V. L. Andriichuk, Andrii M. Sokolov2026-05-11⚛️ quant-ph

Ultralight dark matter detection with trapped-ion interferometry

This paper proposes using a single trapped ion prepared in a spin-motion entangled "Schrödinger cat" state as a matter-wave interferometer to detect ultralight dark matter, demonstrating that this approach offers parametrically enhanced sensitivity to probe unexplored regions of dark-photon and axion-like particle parameter space in the 10−1510^{-15} to 10−1410^{-14} eV mass window.

Leonardo Badurina, Diego Blas, John Ellis, Sebastian A. R. Ellis2026-05-11⚛️ hep-ex

Quantum-Enhanced Dark Matter Search Using Cat States

This paper reports the first experimental demonstration of using four-component cat states in a superconducting microwave cavity to search for dark photons, achieving an 8.1-fold signal enhancement and setting an unprecedented constraint on the kinetic mixing angle of ϵ<7.32×10−16\epsilon < 7.32 \times 10^{-16} near 6.44 GHz.

Pan Zheng, Yanyan Cai, Bin Xu, Shengcheng Wen, Libo Zhang, Zhongchu Ni, Jiasheng Mai, Yanjie Zeng, Lin Lin, Ling Hu, Xiaowei Deng, Song Liu, Jing Shu, Yuan Xu, Dapeng Yu2026-05-11⚛️ hep-ex

Loading and Imaging Atom Arrays via Electromagnetically Induced Transparency

This paper presents a technique combining electromagnetically induced transparency cooling with fluorescence imaging to successfully load, cool, and image 87^{87}Rb atom arrays in finite magnetic fields up to 10 G, achieving high readout fidelity and survival probability to enable future continuously-operated neutral atom quantum processors and sensors.

Emily H. Qiu, Tamara Šumarac, Peiran Niu, Shai Tsesses, Fadi Wassaf, David C. Spierings, Meng-Wei Chen, Mehmet T. Uysal, Audrey Bartlett, Adrian J. Menssen, Mikhail D. Lukin, Vladan Vuletić2026-05-11🔬 physics.atom-ph

Holographically Emergent Gauge Theory in Symmetric Quantum Circuits

This paper establishes a holographic framework for symmetric quantum circuits that maps their dynamical phases to emergent gauge theories, revealing that volume-law phases function as quantum error-correcting codes with topological protection and that charge-sharpening transitions correspond to confinement transitions, with the latter exhibiting distinct behaviors (single vs. intermediate phases) depending on the symmetry group size NN.

Akash Vijay, Jong Yeon Lee2026-05-11⚛️ hep-th