⚛️ Category

quant-ph

8945 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.

🔬 mesoscale physics

Interaction between Rydberg Excitons in Cuprous Oxide Revealed through Resonant Second Harmonic Generation

This study combines experimental observations of resonant second harmonic generation with a semi-classical theoretical model to demonstrate that interacting Rydberg excitons in cuprous oxide exhibit a Rydberg blockade and interaction scaling that significantly deviates from standard atomic-like van der Waals predictions, suggesting fundamental differences between excitons and atoms.

Andreas Farenbruch, Henje Stolz, Peter Grünwald, Dirk Semkat, Nikita Siverin, Dmitri R. Yakovlev, Dietmar Fröhlich, Manf (…)2026-08-11
⚛️ quantum physics

State preparation via measurement and feedback: pushing relations, state structures, and non-invertible symmetries

This paper introduces a systematic scheme for preparing one-dimensional quantum states using constant-depth measurement and feedback circuits by classifying target states via "pushable defects" and their pushing relations, thereby unifying state preparation with non-invertible symmetries and providing a complete construction method for open-boundary matrix product states.

Yabo Li, Aditi Mitra, Tsung-Cheng Lu2026-08-11
⚛️ quantum physics

Knot your average qutrit: Measurement-induced entanglement splitting and the cabling dictionary for GHZ and W States

This paper demonstrates that for qutrits, the behavior of entanglement splitting under single-particle measurement is determined by the repetition of indices (bag structure) rather than the conventional GHZ versus W classification, leading to a new "two-strand cabling" dictionary that extends Aravind's topological linking model to account for the three possible residual Schmidt ranks.

Sougata Bhattacharyya, Sovik Roy2026-08-11
🔬 condensed matter

Jaynes--Cummings dynamics of fermionic heteronuclear dimers in the Mott regime

This paper presents an exactly solvable model demonstrating that coherent association and dissociation of fermionic heteronuclear dimers in the deep-lattice Mott regime maps to the paradigmatic Jaynes--Cummings Hamiltonian, where a fermionic two-level system couples to a bosonic oscillator with a bosonically enhanced coupling strength of χN\chi\sqrt{N}.

R. J. Lewis-Swan, K. V. Kheruntsyan2026-08-11
⚛️ quantum physics

A high-performance quantum pulse gate in thin-film lithium niobate

This paper demonstrates a high-performance quantum pulse gate in thin-film lithium niobate that overcomes previous limitations by achieving a record normalized conversion efficiency of (1810±10) W⁻¹cm⁻² and high temporal-mode selectivity, establishing the material as an ideal platform for practical photonic quantum technologies.

Silia Babel, Alejandra Alarcón, Laura Serino, Christian Golla, Laura Bollmers, Sebastian Lengeling, Jiayu Yang, Bernhard (…)2026-08-11