⚛️ Category

quant-ph

6391 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.

⚛️ quantum physics

Comparison of the standard and dressed-picture master equations for the quantum Rabi model in the ultrastrong coupling regime

This paper numerically compares the standard Gorini-Kossakowski-Sudarshan-Lindblad master equation with the dressed-picture Markovian master equation for the quantum Rabi model in the ultrastrong coupling regime, demonstrating that the latter provides a more consistent description of relaxation and dephasing by explicitly accounting for light-matter hybridization across various initial states and noise spectra.

Alexandre P. Costa, Hebert S. Rego de Oliveira, Alexandre Dodonov2026-04-13
⚛️ general relativity

Finite Hilbert space and maximum mass of Schwarzschild black holes from a Generalized Uncertainty Principle

This paper demonstrates that applying a Generalized Uncertainty Principle with both minimal length and maximal momentum to Schwarzschild black holes results in a finite, discrete mass spectrum with a strict upper bound and regulated thermodynamics, thereby using observations of supermassive black holes to constrain the GUP parameter to β≲10−98\beta\lesssim 10^{-98}.

S. Jalalzadeh, H. Moradpour2026-04-13
⚛️ quantum physics

Continuous Quantum Aperture: Beamforming with a Single-Vapor-Cell Rydberg Receiver

This paper introduces and experimentally validates a "continuous quantum aperture" mechanism in a single-vapor-cell Rydberg receiver, demonstrating that spatially varying quantum coherence driven by a local-oscillator field enables reconfigurable, multi-peak, and multi-band beamforming without the need for traditional discrete antenna arrays.

Mingyao Cui, Qunsong Zeng, Minze Chen, Yilin Wang, Zhiao Zhu, Tianqi Mao, Dezhi Zheng, Kaibin Huang, Jun Zhang2026-04-13
⚛️ quantum physics

SatQNet: Satellite-assisted Quantum Network Entanglement Routing Using Directed Line Graph Neural Networks

This paper proposes SatQNet, a decentralized reinforcement learning framework utilizing edge-centric directed line graph neural networks to optimize entanglement routing in dynamic satellite-assisted quantum networks, outperforming existing methods in high-fidelity end-to-end connection establishment across diverse and unseen topologies.

Tobias Meuser, Jannis Weil, Aninda Lahiri, Marius Paraschiv2026-04-13
🔬 mesoscale physics

Coherent Control of Nanoscale Nuclear Spin Ensembles in the Spin Noise Regime

This paper demonstrates that the contrast and interpretation of nanoscale nuclear spin dynamics in the spin-noise regime critically depend on the initial phase and orientation of the applied radio-frequency field relative to the NV center's crystalline axis, highlighting the necessity of precise calibration for reliable multidimensional NMR experiments.

Ana Martin, Roberto Rizzato, Carlos Munuera-Javaloy, Dileep Singh, Dominik B. Bucher, Jorge Casanova2026-04-13