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

Quantum simulation of gauge theories on dynamical spacetimes via Floquet-induced matrix models

This paper introduces a Floquet-based quantum simulation framework that utilizes large- $N$ matrix models and randomized benchmarking to efficiently simulate gauge theories on dynamical spacetimes with exponentially fewer qubits than conventional lattice methods, thereby preserving continuous symmetries and enabling the study of phenomena like deconfinement on expanding cosmological backgrounds.

Samuel Buckley-Bonanno, Noah Eckstein, Susanne F. Yelin2026-07-07

🔢 mathematics

A Lie-Jordan Geometric Formulation of Lindblad Dynamics

This paper presents a basis-independent Lie-Jordan geometric formulation of finite-dimensional open quantum dynamics that isolates a universal trilinear dissipative map, defined by the algebraic structure tensors of the Hilbert-Schmidt operator space, to separate the universal superoperator structure from model-dependent physical parameters while ensuring trace and Hermiticity preservation.

Leonel Bixano, Victor Alberto Cruz-Barriguete, Guillermo López-Alvarez, V. G. Ibarra-Sierra, José Luis Cardoso, Alejandr (…)2026-07-07

🔢 mathematics

Frozen-Tree Sampling Refutes Quantum Advantage of Random Circuit Sampling

This paper challenges the premise of quantum advantage in random circuit sampling by proposing an efficient classical "frozen-tree" algorithm that generates statistically indistinguishable samples in linear time, arguing that the true computational hardness lies in identifying a specific circuit realization rather than sampling from the underlying Dirichlet distribution.

Sangchul Oh2026-07-07

⚛️ quantum physics

Circuit Design Informed Adaptive Variational Quantum Algorithms

This paper proposes a resource-efficient adaptive variational quantum algorithm that integrates circuit design constraints, hardware-aware connectivity, and problem-specific frameworks to reduce measurement overhead by 25% to 55% for solving the ground state of the nonlinear Schrödinger equation on NISQ devices.

Muhammad Umer, Dimitris G. Angelakis2026-07-07

⚛️ quantum physics

Realizing Next-Nearest-Neighbor Coupling and Peierls Phase in Circuits

This paper designs and experimentally validates trimerized circuits implementing non-Hermitian Su-Schrieffer-Heeger models with next-nearest-neighbor coupling and Peierls phases, demonstrating their effectiveness as an adjustable platform for investigating topological states and their dynamic responses.

Xin-Sheng Zhang, Wen-Jie Xu, Hang-Yu Gu, Chuan-Xun Du, Yong-Long Wang2026-07-07

⚛️ quantum physics

Incompatibility assisted Zeno-like confinement enables unbounded sharing of nonlocality

This paper demonstrates that by satisfying specific incompatibility constraints on initial states and measurement noise, unbounded sequential sharing of Bell nonlocality can be achieved through a quantum Zeno-like confinement mechanism that preserves the nonlocality of post-processed states across an infinite number of copies.

Prerna Rao, Som Kanjilal2026-07-07

⚛️ quantum physics

Topological properties and Majorana Multiplicity in Zigzag Kitaev Chain

This paper investigates the spectral and topological properties of a zigzag Kitaev chain formed by two diagonally coupled 1D Kitaev chains, demonstrating that varying the superconducting phase difference between the chains controls the degeneracy of Majorana zero modes and the total winding number, thereby enabling the engineering of distinct topological phases supporting two or four Majorana modes for potential quantum computing applications.

Rajiv Kumar, Panch Ram, Levan Chotorlishvili, Sunil Kumar Mishra2026-07-07

⚛️ general relativity

Topological effects in the polarization of the Fulling-Rindler vacuum

This paper investigates how toral compactification and magnetic flux-induced quasi-periodicity affect the vacuum expectation values of the field squared and energy-momentum tensor for a charged scalar field in Fulling-Rindler spacetime, revealing topological contributions such as off-diagonal stress components and distinct asymptotic behaviors near the Rindler horizon that are applied to cylindrical and topological black holes.

A. A. Saharian, G. V. Mirzoyan, V. S. Torosyan2026-07-07

⚛️ quantum physics

QuTuner: Feature- and Learning-Guided Optimization Pass Tuning for Quantum Compilers

QuTuner is a feature- and learning-guided framework that enhances quantum compiler optimization by leveraging both static circuit structures and dynamic responses to individual passes to efficiently retrieve and rank effective pass sequences, significantly improving metric reduction and reducing tuning time across different compilers.

Ming Zhong, Xiangyu Ren, Jinglei Cheng, Shaohua Li, Zhiding Liang2026-07-07

⚛️ quantum physics

Measurement Geometry as a Resource for Certifying Network Nonlocality

This paper establishes measurement geometry as an independent resource for certifying network nonlocality by developing an ancilla-assisted framework that successfully demonstrates bilocal nonlocality and near-threshold fully network nonlocal correlations on a 156-qubit superconducting processor, revealing that specific joint measurement settings are critical for maximizing these violations.

Leon Adachi, Le Bin Ho2026-07-07

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