⚛️ Category

quant-ph

9259 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

Split-Head Quantum Generative Adversarial Network for Crystalline Material Discovery

This paper introduces a Split-Head Quantum Generative Adversarial Network that decouples macroscopic lattice bounds from microscopic atomic coordinates to overcome mode collapse in materials discovery, demonstrating that while classical architectures achieve superior thermodynamic precision, the integration of quantum circuits significantly enhances structural diversity and the generation of novel metastable crystalline candidates.

Huan-Ming Chang, Jen-Yu Chang, Tsung-Wei Huang, En-Jui Kuo2026-06-17
⚛️ quantum physics

Demultiplexing Generalized Information via Quantum Transmission Lines

This paper introduces the quantum demultiplexer (Q-DEMUX), a device capable of perfectly routing scrambled classical and quantum information from a single quantum system to designated output ports, characterizing its operational limits through the incompatibility of quantum instruments and extending the concept to scenarios where the sender is oblivious to the data type.

Soham Sau, Anna Jenčová, Tamal Guha2026-06-17
⚛️ quantum physics

Emergent de Sitter Space and Non-Unitary Tensor Networks from Non-Hermitian Quantum Criticality

This paper establishes a novel dS/(c)MERA correspondence by demonstrating that a non-unitary continuous multi-scale entanglement renormalization ansatz (cMERA) for a non-Hermitian critical fermion chain naturally gives rise to emergent de Sitter spacetime, where a timelike-to-null transition in geodesics dictates a discrete tensor-network architecture that successfully reproduces the logarithmic scaling of non-unitary entanglement entropy.

Kuang-Hung Chou, Po-Yao Chang2026-06-17
🔬 optics

Cavity-enhanced superconducting response in an underdoped cuprate

This study demonstrates that engineering the electromagnetic environment of an underdoped YBa2_2Cu3_3O7−δ_{7-\delta} thin film using a tunable terahertz cavity enhances superconducting coherence and increases the superfluid weight by boosting phase stiffness, thereby offering a pathway to stabilize superconductivity in correlated systems.

Angela Montanaro, Vadim Plastovets, Nitesh Khatiwada, Jacopo Fiore, Giacomo Jarc, Abdullah Alabbadi, Antonio Mastropasqu (…)2026-06-17
⚛️ quantum physics

Quantum statistical enhancement of collective behaviour in a bosonic active Ising model

This paper introduces a one-dimensional quantum lattice variant of the active Ising model using ideal bosons and demonstrates that bosonic quantum statistics markedly enhance both flocking and aster formation, contrasting with hard-core boson models where such stabilization is absent, while also analyzing the competition between this statistical enhancement and the suppression caused by transverse magnetic field fluctuations.

Kian L. Assent, Emil Strauch, Sabine H. L. Klapp, André Eckardt, Alexander Schnell2026-06-17
⚛️ quantum physics

Learning Arbitrary Lindbladians with Quantum Error Correction

This paper presents the first standard-quantum-limited algorithm for learning arbitrary sparse Lindbladians without prior structural knowledge, utilizing a recursive random stabilizer-code construction to suppress dominant noise terms and achieve optimal precision scaling for both Hamiltonian and dissipative components.

Nikita Romanov, Petr Ivashkov, Weiyuan Gong, Ishaan Kannan, Andi Gu, Hong-Ye Hu, Susanne F. Yelin2026-06-17
⚛️ quantum physics

Einstein-Podolsky-Rosen correlations between mechanical oscillators revealed through SU(1,1) interferometry

This paper reports the experimental observation of Einstein-Podolsky-Rosen correlations between two macroscopic mechanical oscillators coupled to a superconducting qubit, utilizing a mechanical SU(1,1) interferometer to demonstrate quantum correlations stronger than entanglement in a macroscopic regime.

Max-Emanuel Kern, Stefano Marti, Raquel Garcia-Belles, Andraz Omahen, Igor Kladaric, Arianne Brooks, Yiwen Chu, Matteo F (…)2026-06-17