⚛️ Category

quant-ph

9306 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

Asymmetric quantum steering harvested near a Lorentz-violating BTZ black hole

This paper investigates quantum steering harvesting between two Unruh-DeWitt detectors in a Lorentz-violating BTZ black hole, revealing a counterintuitive inversion where the detector in a hotter environment exhibits stronger steerability and demonstrating that Lorentz violation acts as a geometric constraint that suppresses maximal correlation extraction and alters the directionality of quantum correlations.

Si-Yu Liu, Xin-Ze Song, Xiang-Yue Yu, Wentao Liu, Xiao-Li Huang, Shu-Min Wu2026-06-12
🔬 optics

Beyond-Third-Order Quantum Coherence in Two-Dimensional Spectroscopy via Order-Selective Isolation

This paper introduces a computation-assisted strategy combining rotating-frame acquisition with frame-shift tracking to isolate weak higher-order signals, such as 7th-order responses, from dominant lower-order backgrounds in two-dimensional spectroscopy, thereby enabling the direct study of complex many-body quantum dynamics without sacrificing signal intensity.

Xue Zhang, De-Ran Zhang, Hui Dong2026-06-12
⚛️ quantum physics

Quantum Reservoir Computing for Short-Term Power Load Forecasting in Resource-Constrained Energy Systems

This paper proposes a hardware-efficient Quantum Reservoir Computing framework for short-term power load forecasting that utilizes a fixed quantum reservoir and a compressed, quantized classical readout to achieve high accuracy with significantly reduced memory requirements and robustness against hardware noise on resource-constrained edge devices.

Mansi Od, Param Pathak, Nouhaila Innan, Muhammad Shafique2026-06-12
⚛️ quantum physics

Graph Reinforcement Learning for Calibration-Aware Quantum Circuit Routing

This paper presents a calibration-aware graph reinforcement learning approach for quantum circuit routing that, by leveraging real-time hardware calibration data and proximal policy optimization, achieves significantly higher simulated fidelity than standard SABRE-based methods on small-to-medium circuits, despite incurring higher two-qubit gate counts.

Yash Vardhan Tomar, Dheeraj Peddireddy, Vaneet Aggarwal2026-06-12
⚛️ quantum physics

Quantum-Driven Neuromorphic Computing for Million-Qubit-Scale Workloads

The paper introduces Apollo, a room-temperature, industrially scalable neuromorphic processor that utilizes quantum-derived stochastic p-qubits and a dense Hyperion interconnect to outperform cryogenic quantum annealers on complex optimization benchmarks while avoiding the need for extreme cooling or microwave control.

Adams Ivanov, Samer Rahmeh, Erick Giovani Sperandio Nascimento, Daniela Herrmann2026-06-12
⚛️ quantum physics

A Quantum Algorithm for Random Number Generation

This paper presents a quantum algorithm for random number generation that achieves a provable quadratic speedup over classical Markov chain mixing by integrating the Quantum Fourier Transform, controlled phase rotations, and the Grover diffusion operator, demonstrating improved efficiency on both qubit and qudit hardware.

Aastha Kataria, Devansh Desai, Ashwini Dalvi, Sagar Korde, Abhijeet Pasi, Irfan N A Siddavatam, Sudhir Ranjan Jain2026-06-12
🔬 optics

Reservoir-controlled electromagnetically induced gratings in a weakly driven two-level medium

This paper theoretically demonstrates that engineering quantum reservoirs—specifically normal-vacuum, thermal, and squeezed-vacuum environments—in a weakly driven two-level medium allows for precise control over the amplitude, phase, and directionality of electromagnetically induced gratings, thereby enabling tunable transmission, diffraction efficiency, and anisotropic beam steering in minimal photonic systems.

Amjad Hussain, Hamid Arian Zad, Amjad Sohail, Hazrat Ali, Michal Michal Jaščur, Saeed Haddadi2026-06-12
🔢 mathematics

Kubo-Martin-Schwinger conditions for non-Hermitian systems

This paper establishes that for diagonalizable non-Hermitian Hamiltonians with real spectra, the biorthogonal Gibbs functional satisfies the Kubo-Martin-Schwinger (KMS) condition if and only if the system is quasi-Hermitian, thereby providing a metric-free characterization of quasi-Hermiticity and proving that the resulting KMS states cannot be simply deduced from their Hermitian counterparts via similarity transformations.

Chen Lan, Luyao Ma, Hao Yang2026-06-12