⚛️ 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.

🔬 atomic physics

Quantum criticality and nonequilibrium dynamics on a Lieb lattice of Rydberg atoms

This study utilizes a neutral-atom quantum simulator on a Lieb lattice to experimentally and theoretically map out complex density-wave phases, discover a quantum analog of the liquid-vapor transition with hysteretic dynamics, and observe anomalously slow relaxation in an emergent string phase, thereby demonstrating the platform's capability to explore diverse nonequilibrium phenomena in programmable quantum matter.

Mark R. Hirsbrunner, Milan Kornjača, Rhine Samajdar, Siva Darbha, Majd Hamdan, Jan Balewski, Ermal Rrapaj, Sheng-Tao Wan (…)2026-05-13
🔬 condensed matter

Deconfined quantum criticality on a triangular Rydberg array

This paper theoretically predicts and numerically confirms that a triangular array of Rydberg atoms exhibits a deconfined quantum critical point between 1/3 and 2/3 excitation densities, characterized by an emergent U(1) symmetry and specific critical exponents, while also proposing experimental protocols to observe this phenomenon using finite tweezer arrays.

Lisa Bombieri, Torsten V. Zache, Gabriele Calliari, Mikhail D. Lukin, Hannes Pichler, Daniel González-Cuadra2026-05-13
⚛️ quantum physics

Quantum Computing Beyond Ground State Electronic Structure: A Review of Progress Toward Quantum Chemistry Out of the Ground State

This review paper examines the progress and potential of quantum computing in advancing quantum chemistry beyond ground state calculations, specifically focusing on applications in reaction mechanisms, dynamics, and finite temperature systems while addressing associated algorithmic challenges and opportunities for experimental impact.

Alan Bidart, Prateek Vaish, Tilas Kabengele, Yaoqi Pang, Yuan Liu, Brenda M. Rubenstein2026-05-13
⚛️ quantum physics

The Constant Geometric Speed Schedule for Adiabatic State Preparation

This paper introduces the Constant Geometric Speed (CGS) schedule, a protocol that achieves a quadratic speedup in adiabatic state preparation by traversing the evolution path at a uniform rate, thereby reducing the required evolution time scaling from O(Δ−2)\mathcal{O}(\Delta^{-2}) to the rigorous lower bound of O(Δ−1)\mathcal{O}(\Delta^{-1}) when the path length is independent of the minimum energy gap.

Mancheon Han, Hyowon Park, Sangkook Choi2026-05-13
⚛️ quantum physics

Spectroscopy and Coherence of an Excited-State Transition in Tm3+^{3+}:YAlO3_3 at Telecommunication Wavelength

This paper reports the first demonstration of optical coherence in an excited-state transition of a rare-earth crystal, characterizing the spectroscopic and coherence properties of the 1451.37 nm transition in Tm3+^{3+}:YAlO3_3 at telecommunication wavelengths and achieving a coherence time of 4.75 μ\mus, thereby suggesting its potential for quantum technology applications.

Luozhen Li, Akshay Babu Karyath, Julien Bertrand, Mohsen Falamarzi Askarani, Maria Gieysztor, Hridya Meppully Sasidharan (…)2026-05-13
⚛️ quantum physics

Trading athermality for nonstabiliserness

This paper establishes that nonstabiliserness, a key resource for quantum advantage, can be generated from stabiliser states via thermal contact by deriving necessary and sufficient conditions, characterizing reachable states, and identifying a fundamental trade-off between attainable nonstabiliserness and initial nonequilibrium free energy.

A. de Oliveira Junior, Rafael A. Macedo, Jakub Czartowski, Jonatan Bohr Brask, Rafael Chaves2026-05-13
⚛️ quantum physics

The Richness of Bell Nonlocality: Generalized Bell Polygamy and Hyper-Polygamy

This paper generalizes the concept of Bell nonlocality polygamy to arbitrary (N−k)(N-k)-partite subsystems, demonstrating that a single NN-qubit state can simultaneously violate all relevant Bell inequalities and introducing the phenomenon of "hyper-polygamy" to reveal the abundant nonlocality available for scalable quantum certification.

Gerard Anglès Munné, Paweł Cieśliński, Jan Wójcik, Wiesław Laskowski2026-05-13
⚛️ quantum physics

Probabilistic Computers for Neural Quantum States

This paper demonstrates that combining sparse Boltzmann machine architectures with probabilistic computing hardware (FPGAs) overcomes the Monte Carlo sampling bottleneck in neural quantum states, enabling accurate ground-state energy calculations for 2D transverse-field Ising models up to 6400 spins and efficient training of deep models for 900 spins.

Shuvro Chowdhury, Jasper Pieterse, Navid Anjum Aadit, Shaila Niazi, Johan H. Mentink, Kerem Y. Camsari2026-05-13
⚛️ quantum physics

No-cost Bell nonlocality certification from quantum tomography and its applications in quantum-magic-resource witnessing

This paper demonstrates that standard Pauli-basis measurements used for quantum state tomography can be directly repurposed to certify Bell nonlocality and witness quantum magic resources without any additional experimental cost, thereby unifying state characterization with fundamental nonlocality tests.

Pawel Cieslinski, Lukas Knips, Harald Weinfurter, Wieslaw Laskowski2026-05-13