⚛️ Category

quant-ph

7035 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.

⚛️ high-energy theory

Quantum Brownian motion with non-Gaussian noises: Fluctuation-Dissipation Relation and nonlinear Langevin equation

This paper employs the closed-time-path formalism to derive a modified fluctuation-dissipation relation and a nonlinear Langevin equation for quantum Brownian motion with non-Gaussian noises arising from a system nonlinearly coupled to a harmonic oscillator environment, thereby providing a framework for analyzing non-Gaussian properties in fields like early universe cosmology and quantum optomechanics.

Hing-Tong Cho, Bei-Lok Hu2026-02-23
⚛️ quantum physics

Exact quantum decision diagrams with scaling guarantees for Clifford+TT circuits and beyond

This paper introduces an exact quantum decision diagram method using a custom algebraic representation for complex numbers to eliminate floating-point errors, providing the first theoretical scaling guarantees (2t⋅poly(g,n)2^t \cdot poly(g, n)) for simulating universal Clifford+TT circuits while demonstrating superior performance and accuracy over existing approaches.

Arend-Jan Quist, Tim Coopmans, Alfons Laarman2026-02-23
⚛️ quantum physics

Digital Quantum Simulation of the Holstein-Primakoff Transformation on Noisy Qubits

This paper demonstrates the digital quantum simulation of bosonic systems using the Holstein-Primakoff transformation on a noisy superconducting quantum processor, successfully realizing driven harmonic oscillator and Jaynes-Cummings models while systematically analyzing the interplay between algorithmic and hardware-induced errors to establish a framework for future complex spin-boson simulations.

Kelvin Yip, Alessandro Monteros, Sahel Ashhab, Lin Tian2026-02-23
⚛️ quantum physics

Enhanced Maximum Independent Set Preparation with Rydberg Atoms Guided by the Spectral Gap

This paper introduces and experimentally validates the Adjusted Detuning for Ground-Energy Leakage Blockade (ADGLB), a scalable, hardware-efficient schedule engineering method that enhances Maximum Independent Set preparation on Rydberg atom platforms by modifying laser detuning to suppress leakage without requiring additional Hamiltonian terms or iterative optimization.

Seokho Jeong, Minhyuk Kim2026-02-23
⚛️ quantum physics

Pulsed coherent spectroscopy of a quantum emitter in hexagonal Boron Nitride

This study demonstrates that individual B centers in hexagonal Boron Nitride exhibit optical coherent control via power-dependent Rabi oscillations, high single-photon purity, and a measurable inhomogeneous coherence time, establishing them as viable candidates for triggered quantum emitters in photonic platforms.

Jake Horder, Hugo Quard, Kenji Watanabe, Takashi Taniguchi, Nathan Coste, Igor Aharonovich2026-02-23
⚛️ quantum physics

Higher-order spatial photon interference versus dipole blockade effect

This paper demonstrates that an incoherently excited system of three dipole-coupled emitters arranged in an equilateral triangle spontaneously generates sub-Poissonian single-photon streams, a phenomenon driven not by dipole blockade but by the specific nature of the emitters' interaction with a thermal reservoir and high-order spatial interference effects at larger atomic intervals.

Arthur Rotari, Mihai A. Macovei2026-02-23