quant-ph papers | Gist.Science

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

Whither quantum advantage? New classical lower bounds for Max-Cut on large-girth 3-regular graphs

This paper demonstrates that a classical local algorithm, the Variational Iterative Rotation Algorithm (VIRAL), outperforms the Quantum Approximate Optimization Algorithm (QAOA) in establishing new lower bounds for the Max-Cut fraction on large-girth 3-regular graphs, thereby raising the asymptotic lower bound from 0.912 to 0.9127 and challenging the prospects of quantum advantage in this specific domain.

Flaviano Morone, Shivang Rawat, Dries Sels2026-10-14

⚛️ quantum physics

Principles and Techniques for Agentic Research in Experimental Physics

This paper establishes a human-centered framework of ten principles and practical techniques for deploying collaborative AI agents in experimental physics, demonstrating through six diverse case studies how such agents can iteratively enhance research outcomes in areas ranging from device design and hardware control to data analysis and model identification.

Niko R. Reed, Declan M. Daly, Andrew J. Beling, Jordan D. Giandrea, Ronald L. Walsworth, John W. Blanchard, Daniel Ang2026-10-14

⚛️ quantum physics

Fractional and quantum Latin squares: real solutions of quantum 36 officers problem

This paper establishes a connection between fractional and quantum Latin squares by presenting a real solution to Euler's quantum 36 officers problem that yields a four-party absolutely maximally entangled state, while also extending these probability-based representations to seven- and nine-party entangled states to distinguish between local-unitary classes and separate probabilistic features from the coherent conditions required for maximal entanglement.

Mykhailo Hontarenko, Karol Życzkowski2026-10-14

⚛️ quantum physics

On the Computational Complexity of Blind Quantum Machine Learning

This paper introduces MasonQ, a universal and optimal transpiler that maps arbitrary quantum circuits to brickwork graph states, demonstrating that blind quantum machine learning can achieve both computational efficiency and privacy by establishing new depth bounds and providing resource estimates for near-term implementations.

Rex Fleur, Tzula B. Propp, Sebastian Feld2026-10-14

⚛️ quantum physics

Optical Detection of Coherent Nuclear Spin Control in a Molecular System at Room Temperature

This study demonstrates the first optical detection of nuclear magnetic resonance and coherent control of $^{14}$ N nuclear spins in the photoexcited triplet state of the organic molecule 6,13-diazapentacene at room temperature, utilizing strong hyperfine coupling to enable fast Rabi oscillations for advanced molecular quantum sensing.

Eoin O. Irving, Ziqiu Huang, Max Attwood, Sam L. Bayliss, Sarah K. Mann2026-10-14

⚛️ quantum physics

Foundations for a Lens of Quantum Governance

This paper proposes a "quantum governance lens" to demonstrate that while second quantum revolution technologies do not necessitate entirely new political frameworks, their technical and infrastructural requirements critically reshape existing relationships of authority, legitimacy, and accountability across five key application areas.

Shira K. Huizing Lemstra, Tzula B. Propp2026-10-14

⚛️ quantum physics

Geomagic Square Representation of a Real AME $(4, 6)$ State

This paper presents an independent construction of a real four-party absolutely maximally entangled (AME) state with local size six, derived from signed Pauli matrices and visualized as a unique geomagic square where every row, column, and diagonal tiles a hexagon with 36 non-congruent pieces that fully encode the state's tensor structure.

Wojciech Bruzda2026-10-14

⚛️ quantum physics

Geodesic steering for rapid dissipative entanglement distribution

This paper proposes an optimal-control strategy that accelerates the dissipative preparation of complex entangled quantum states by guiding system evolution along instantaneous steady-state trajectories to minimize leakage, thereby reducing preparation times by orders of magnitude compared to standard relaxation dynamics.

Keshav Venkataraman, Pablo Martinez-Azcona, Marko Ljubotina, Adrian Parra-Rodriguez, Peter Rabl2026-10-14

⚛️ quantum physics

Realistic simulation of universal multiport interferometers with losses within a Gaussian formalism

This paper proposes a Gaussian formalism to realistically simulate universal multiport interferometers with non-uniform optical losses, enabling accurate characterization and prediction of quantum algorithm outcomes on noisy NISQ photonic platforms.

Sebastiano Corli, Dario Chemoli, Samuele Altilia, Edoardo Suerra, Dario Tamascelli, Simone Cialdi, Enrico Prati2026-10-14

⚛️ quantum physics

Euler's thirty-six officers need not all be entangled: real AME(4,6), families and classification

This paper presents the first real absolutely maximally entangled states of four six-level systems (AME(4,6)), resolving a long-standing conjecture by constructing explicit solutions with 60 non-zero coefficients and classifying them into 20 distinct families under local unitaries and permutations.

Palash Pandya2026-10-14

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quant-ph

Whither quantum advantage? New classical lower bounds for Max-Cut on large-girth 3-regular graphs

Principles and Techniques for Agentic Research in Experimental Physics

Fractional and quantum Latin squares: real solutions of quantum 36 officers problem

On the Computational Complexity of Blind Quantum Machine Learning

Optical Detection of Coherent Nuclear Spin Control in a Molecular System at Room Temperature

Foundations for a Lens of Quantum Governance

Geomagic Square Representation of a Real AME(4,6)(4, 6)(4,6) State

Geodesic steering for rapid dissipative entanglement distribution

Realistic simulation of universal multiport interferometers with losses within a Gaussian formalism

Euler's thirty-six officers need not all be entangled: real AME(4,6), families and classification

Geomagic Square Representation of a Real AME $(4, 6)$ State