⚛️ Category

quant-ph

6635 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.

🔬 materials science

A first-principles linear response theory for open quantum systems and its application to Orbach and direct magnetic relaxation in Ln-based coordination polymers

This paper develops and applies a first-principles linear-response theory for open quantum systems, combined with electronic structure simulations, to successfully reproduce and explain the direct and Orbach magnetic relaxation processes in lanthanide-based coordination polymers, thereby demonstrating the feasibility of *ab initio* simulations for predicting the a.c. magnetic susceptibility of single-molecule magnets.

Mikolaj Żychowicz, Jakub J. Zakrzewski, Szymon Chorazy, Alessandro Lunghi2026-03-20
⚛️ quantum physics

A Flexible GKP-State-Embedded Fault-Tolerant Quantum Computation Configuration Based on a Three-Dimensional Cluster State

This paper proposes a flexible and scalable fault-tolerant quantum computation architecture that integrates Gottesman-Kitaev-Preskill states into a three-dimensional cluster state constructed across polarization, frequency, and orbital angular momentum domains, achieving an optimal squeezing threshold of 11.5 dB.

Peilin Du, Jing Zhang, Tiancai Zhang, Rongguo Yang, Kui Liu, Jiangrui Gao2026-03-20
🔬 applied physics

Comparing optical-microwave conversion and all-microwave control schemes for a transmon qubit

This paper demonstrates that an optical control system using modulated laser light delivered via optical fiber to a photodiode at the 1K stage performs comparably to conventional coaxial microwave lines in controlling transmon qubits, showing no measurable degradation in coherence over 20-hour measurement runs and thus supporting its viability for large-scale integration.

Volodymyr Monarkha, Massimo Borrelli, Reza Hajitashakkori Kenari, Mohammad Kobba, Eugenio Cataldo, Beer de Zoeten, Mahna (…)2026-03-20
🔬 applied physics

Quantum and classical approaches to the optimization of highway platooning: the two-vehicle matching problem

This paper proposes a QUBO formulation to evaluate and compare classical metaheuristics and emerging quantum heuristics for optimizing the "Windbreaking-as-a-Service" highway platooning problem, establishing a common framework for heterogeneous solvers to address this challenge.

Chinonso Onah, Agneev Guin, Carsten Othmer, J. A. Montañez-Barrera, Kristel Michielsen2026-03-20
🔬 mesoscale physics

Cavity Control of Strongly Correlated Electrons Beyond Resonant Coupling

This paper presents a non-perturbative, first-principles framework demonstrating that off-resonant cavity coupling can significantly enhance the magnetic exchange interaction in correlated electron systems via a generalized Purcell factor, provided that both static Coulomb screening and dynamical vector potential effects are consistently accounted for in the presence of dielectric substrates.

Lukas Grunwald, Xinle Cheng, Emil Viñas Boström, Michael Ruggenthaler, Marios H. Michael, Dante M. Kennes, Angel Rubio2026-03-20
⚛️ quantum physics

Resonances, Recurrence Times and Steady States in Monitored Noisy Qubit Systems

This paper investigates noisy, stroboscopically monitored qubit systems using IBM quantum hardware and a statistical-physics model to demonstrate that while integer-quantized recurrence times are robust far from revivals, weak noise dramatically alters behavior near revivals by inverting expected dips into peaks due to a competition between measurement-driven infinite-temperature and relaxation-driven low-temperature steady states.

Shuanger Ma, Sabine Tornow, Eli Barkai2026-03-20