⚛️ Category

quant-ph

9628 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 Deploying Optimistic Quantum Fourier Transforms: An Architecture-Algorithm Co-Design Study

This paper presents an architecture-algorithm co-design study for the Optimistic Quantum Fourier Transform on reconfigurable neutral-atom hardware, introducing a hot-zone architecture with mobile resource packages that demonstrates how increasing parallelism can significantly reduce runtime while identifying key resource bottlenecks and algorithmic trade-offs under a surface-code fault-tolerant model.

Pedro L. S. Lopes2026-05-18
⚛️ quantum physics

Clifford-deformed zero-rate LDPC codes with 50% biased noise thresholds

This paper establishes that Clifford-deformed zero-rate LDPC codes can achieve a 50% threshold under pure dephasing noise by tailoring logical operator overlaps to anisotropic noise, a property that unifies the performance of known high-threshold codes like the XZZX surface code and is demonstrated through new translationally invariant deformations of tile codes with improved finite-bias and circuit-level performance.

Jagannath Das, Sayandip Dhara, Pedro Medina, Arthur Pesah, Arpit Dua2026-05-18
⚛️ quantum physics

Single Spatio-Temporal Mode Bright Twin-Beam Source Across the Near- and Mid-Infrared

This paper presents an ultrafast, bright, single-spatiotemporal-mode entangled twin-beam source based on type-0 parametric down-conversion in periodically-poled lithium niobate that generates tunable, non-degenerate signal and idler beams in the near- and mid-infrared, respectively, establishing a practical platform for quantum-enhanced metrology and molecular spectroscopy.

Gabriel Demontigny, Patrick Cusson, Amauri Perraton Elorza, Esteban Murillo Zapata, Eli Martel, Andrei Rasputnyi, Maria (…)2026-05-18
🔬 optics

Second-order moment equivalence of twisted Gaussian Schell model beams and orbital angular momentum eigenmodes

This paper demonstrates that cylindrically symmetric coherent orbital angular momentum eigenmodes and twisted Gaussian Schell-model beams share identical covariance matrices and second-order moment evolution under arbitrary ABCD transformations, enabling a direct parameter mapping and the application of established TGSM propagation tools to diverse coherent beam families like Laguerre-Gaussian, Bessel-Gaussian, and perfect vortex beams.

T. Ferreira, G. Santos, S. Ayala, Lucas Hutter, E. S. Gómez, G. Lima, G. Cañas, S. P. Walborn2026-05-18
⚛️ quantum physics

Entanglement Dynamics of Separable Squeezed States in Finite Memory Structured Reservoir

This paper demonstrates that separable squeezed vacuum states can generate, revive, and sustain entanglement in finite-memory structured reservoirs through three distinct non-Markovian mechanisms—entanglement freezing, birth-death-revival cycles, and integer-locked beating—offering a tunable resource for continuous-variable quantum technologies even at finite temperatures.

Austen Couvertier, Ting Yu2026-05-18
🔬 mesoscale physics

Interface Piezoelectric Loss in Superconducting Qubits

This paper reports the direct observation of interface piezoelectricity at the aluminum-silicon boundary as a distinct dissipation channel in superconducting qubits, demonstrating that it can significantly reduce qubit lifetimes and potentially dominate over two-level system losses at high frequencies.

Haoxin Zhou, Kangdi Yu, Yashwanth Balaji, Sanjit Shirol, Leo Sementilli, Zi-Huai Zhang, Adam Schwartzberg, Alp Sipahigil2026-05-18