⚛️ Category

quant-ph

9050 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

Towards Tensor-Network SAT-Solvers for Quantum-Classical Workflows

This paper investigates tensor-network ground-state search as a classical surrogate for quantum-classical workflows in solving Max-3-SAT problems, finding that native higher-order representations outperform quadratised formulations and that simulated annealing generally surpasses density matrix renormalization group methods because the classical product-state optima of Boolean satisfiability problems negate the specific advantages of tensor networks.

Benjamin Zec, Lukas Schmidbauer, Maja Franz, Wolfgang Mauerer2026-08-04
⚛️ quantum physics

Adaptive Reconstruction of Bosonic Quantum States

This paper introduces and experimentally validates an adaptive reconstruction technique that combines physics-informed modeling with Bayesian inference and active learning to efficiently estimate the fidelity of bosonic quantum states (specifically Schrödinger cat states) across a family of phase-space transformations, enabling rapid, robust characterization and autonomous optimization on a circuit quantum electrodynamics platform.

Vasilisa Usova, Phila Rembold, Ian Yang, Marco Rossignolo, Simone Montangero, Samuele Tosatto, Gerhard Kirchmair2026-08-04
🔬 mesoscale physics

Adaptive Spectroscopy of Fast Two-Level-System Dynamics in Superconducting Qubits

This paper introduces an FPGA-based adaptive spectroscopy technique that achieves sub-second temporal resolution to reveal fast, telegraphic switching and spectral diffusion of parasitic two-level-system defects in superconducting qubits, a regime previously inaccessible to conventional hour-long measurements and critical for understanding gate-level errors.

Fabrizio Berritta, David Pahl, Lukas Pahl, William P. Banner, Gabriel Cutter, Jan A. Krzywda, Spencer Weeden, Shravan Pa (…)2026-08-04
⚛️ quantum physics

Field-Free Transverse Aharonov--Bohm Phase Gate for an Orbital ll-Qubit

This paper proposes a field-free transverse Aharonov-Bohm phase gate for orbital ll-qubits by demonstrating that finite-wall confinement in an annular guide converts intrinsic spin-resolved Dirac currents into a spin-independent orbital phase shift, enabling high-sensitivity qubit operations via opposite-winding modes without requiring external magnetic fields along the propagation path.

Ju Gao, Fang Shen2026-08-04
🔬 atomic physics

Better accuracy with fewer qubits: Single-particle basis set optimization for quantum chemistry on quantum computers

This paper introduces genetic algorithm-optimized, qubit-efficient minimal basis sets (MSTO-kG) that achieve ground state energies comparable to or better than standard and high-quality basis sets while significantly reducing the number of qubits and gate resources required for quantum chemistry simulations on near-term quantum computers.

Subimal Deb, V. S. Prasannaa2026-08-04
⚛️ quantum physics

Unconditionally successful quantum Time-Marching algorithm via LCU for nonlinear Burgers equation

This paper presents the first unconditionally successful quantum algorithm for solving the nonlinear Burgers equation by leveraging quantum lattice gas methods within the Linear Combination of Unitaries (LCU) framework to eliminate the probabilistic failure and postselection costs typically associated with non-unitary operations.

Niccolo Fonio, Giuseppe Di Molfetta, Pierre Sagaut2026-08-04
⚛️ quantum physics

Quantum computer-based simulation of Stark many-body localization in a 1D Fermi-Hubbard model

This paper demonstrates a quantum computer-based simulation of Stark many-body localization in a 12-qubit 1D Fermi-Hubbard model on IBM hardware, utilizing advanced compilation and optimization techniques to significantly reduce circuit complexity and successfully observe the crossover from thermalizing to localized dynamics.

Abdul Kalam, Prasenjit Deb, Akitada Sakurai, Tapan Mishra, V. S. Prasannaa, B. P. Das2026-08-04
⚛️ quantum physics

Effects of realistic pulse shapes in two-dimensional spectroscopy

This paper introduces an efficient linear-scaling simulation method for two-dimensional spectroscopy that incorporates realistic pulse shapes, revealing how spectral phase distortions and non-Gaussian profiles can induce significant spectral artifacts and emphasizing the necessity of accounting for these effects to accurately interpret experimental data.

M. Russo (Freie Universität Berlin, Fachbereich Physik, Berlin, Germany), R. Gilliot (Freie Universität Berlin, Fachbere (…)2026-08-04