⚛️ Category

quant-ph

6648 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.

⚛️ general relativity

Bosonic and fermionic mutual information of N-partite systems in dilaton black hole background

This study analytically investigates how the Hawking effect in a GHS dilaton black hole background influences the N-partite mutual information and relative entropy of coherence for bosonic and fermionic GHZ and W states, revealing that fermionic mutual information exceeds bosonic mutual information while the opposite trend holds for coherence, thereby highlighting the necessity of tailoring quantum resources to particle species and state structures in relativistic quantum information tasks.

Xiao-Wei Teng, Rui-Yang Xu, Hui-Chen Yang, Shu-Min Wu2026-03-20
⚛️ quantum physics

Distribution of fidelity zeros in two-band topological models

This paper investigates the distribution of fidelity zeros in two-band topological models by extending parameters into the complex plane, revealing that these zeros relate to momentum modes with vanishing real energy gaps and accumulate into regions that encode critical information about topological phase transitions in systems like the Kitaev chain, Haldane model, and QWZ model.

Siyan Lin, Zhen-Yu Zheng, Shu Chen2026-03-20
⚛️ quantum physics

A simple understanding of quantum electrodynamics using Bohmian trajectories: detecting non-ontic photons

This paper demonstrates that Bohmian mechanics, traditionally viewed as limited to matter, can effectively model quantum electrodynamics and photon detection by treating electrons as deterministic trajectories guided by evolving electromagnetic fields, thereby offering a pedagogical and ontological framework for understanding photon partition noise and measurement without requiring photons to be fundamental physical entities.

Juan José Seoane, Abdelilah Benali, Xavier Oriols2026-03-20
⚛️ quantum physics

Comment on "Association between quantum paradoxes based on weak values and a realistic interpretation of quantum measurements"

This Comment refutes Aredes and Saldanha's claim that realistic interpretations of weak values inherently lead to inconsistencies by demonstrating that their general argument is formally incorrect and providing Bohmian mechanics as a counterexample where position-based weak values can be consistently interpreted as intrinsic properties of quantum systems.

Juan José Seoane, Xabier Oianguren-Asua, Albert Solé, Xavier Oriols2026-03-20
🔬 materials science

A first-principles linear response theory for open quantum systems and its application to Orbach and direct magnetic relaxation in Ln-based coordination polymers

This paper develops and applies a first-principles linear-response theory for open quantum systems, combined with electronic structure simulations, to successfully reproduce and explain the direct and Orbach magnetic relaxation processes in lanthanide-based coordination polymers, thereby demonstrating the feasibility of *ab initio* simulations for predicting the a.c. magnetic susceptibility of single-molecule magnets.

Mikolaj Żychowicz, Jakub J. Zakrzewski, Szymon Chorazy, Alessandro Lunghi2026-03-20
⚛️ quantum physics

A Flexible GKP-State-Embedded Fault-Tolerant Quantum Computation Configuration Based on a Three-Dimensional Cluster State

This paper proposes a flexible and scalable fault-tolerant quantum computation architecture that integrates Gottesman-Kitaev-Preskill states into a three-dimensional cluster state constructed across polarization, frequency, and orbital angular momentum domains, achieving an optimal squeezing threshold of 11.5 dB.

Peilin Du, Jing Zhang, Tiancai Zhang, Rongguo Yang, Kui Liu, Jiangrui Gao2026-03-20
🔬 applied physics

Comparing optical-microwave conversion and all-microwave control schemes for a transmon qubit

This paper demonstrates that an optical control system using modulated laser light delivered via optical fiber to a photodiode at the 1K stage performs comparably to conventional coaxial microwave lines in controlling transmon qubits, showing no measurable degradation in coherence over 20-hour measurement runs and thus supporting its viability for large-scale integration.

Volodymyr Monarkha, Massimo Borrelli, Reza Hajitashakkori Kenari, Mohammad Kobba, Eugenio Cataldo, Beer de Zoeten, Mahna (…)2026-03-20