⚛️ Category

quant-ph

9721 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.

🔬 condensed matter

Dynamical Fermionization and Emergent Bethe Rapidity Structure in the Spatial Density of Cold quenched Lieb-Liniger gas

Using ab initio quantum Monte Carlo simulations, this study demonstrates that the long-time spatial density profile of a Lieb-Liniger gas following a geometric quench directly encodes the system's underlying Bethe rapidity distribution, thereby establishing ballistic expansion as a practical method for mapping momentum-space structures to real-space observables.

Sumita Datta, James M Rejcek, Rajasee Datta, Maxim Olshanii2026-05-05
⚛️ quantum physics

Markovian dynamics for a quantum/classical system and quantum trajectories

This paper presents a mathematically rigorous framework for the Markovian dynamics of quantum/classical hybrid systems using coupled stochastic differential equations, demonstrating that information flow from the quantum to the classical component necessitates dissipation and establishing a connection to a hybrid dynamical semigroup that unifies quantum and classical evolution equations.

Alberto Barchielli2026-05-05
⚛️ quantum physics

Pilot-waves and copilot-particles: A nonstochastic approach to objective wavefunction collapse

This article proposes a non-stochastic hybrid theory combining Bohmian mechanics and objective collapse, wherein mutual guidance between particles and wavefunctions leads to an emergent wavefunction collapse through ergodicity loss when spatially separated lobes trap the particle, thereby restoring the Born rule and challenging the feasibility of large-scale quantum computers.

Axel van de Walle2026-05-05
⚛️ quantum physics

Tunable anyonic permeability across Z2{\mathbb{Z}_2} spin liquid junctions

This contribution introduces and analyzes two classes of connections in a toric code model, demonstrating how Zeeman fields and non-commuting operators can tune the transmission probabilities of electric and magnetic anyons, thereby opening a pathway for engineering defect structures to control anyonic transport in topologically ordered systems.

Sayak Bhattacharjee, Soumya Sur, Adhip Agarwala2026-05-05