⚛️ Category

quant-ph

6336 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

Advancing Practical Quantum Embedding Simulations via Operator Commutativity Based State Preparation for Complex Chemical Systems

This paper proposes a dynamic, operator-commutativity-based ansatz construction strategy within the Density Matrix Embedding Theory (DMET) framework to enable accurate and efficient quantum simulations of large, strongly correlated chemical systems on noisy intermediate-scale quantum (NISQ) hardware by reducing qubit requirements and gate complexity while maintaining high accuracy.

Dibyendu Mondal, Ashish Kumar Patra, Rahul Maitra2026-04-22
🔬 physics

Magnetic coupling between nuclear motion and nuclear spins in molecules

This paper presents a theoretical framework based on the Breit-Pauli Hamiltonian to describe the previously overlooked magnetic coupling between nuclear motion and nuclear spins, demonstrating that vibrationally induced effects in highly symmetric molecules can produce experimentally accessible hyperfine splittings in NMR spectra when triggered by infrared light.

Matthias Diez, Johannes K. Krondorfer, Albert Hirtenfelder, Andreas W. Hauser2026-04-22
⚛️ quantum physics

Efficient optimisation of multi-parameter quantum control protocols for strongly-coupled systems

This paper presents a highly efficient optimization framework combining automatic differentiation with the non-Markovian uniTEMPO algorithm to design robust multi-pulse quantum control protocols for semiconductor quantum dots, demonstrating superior fidelity and thermal resilience compared to standard excitation methods in strongly-coupled, non-Markovian environments.

Sion Meredith, Oliver Dudgeon, Wojciech Bukalski, Alistair J. Brash, Harry J. D. Miller, Thomas J. Elliott, Jake Iles-Sm (…)2026-04-22
⚛️ quantum physics

Architecting Early Fault Tolerant Neutral Atoms Systems with Quantum Advantage

This paper proposes a teleportation-based fault-tolerant architecture for neutral atom systems that leverages reconfigurable connectivity to parallelize logical operations, achieving a ~3× speedup over existing schemes and demonstrating that quantum advantage simulations could be performed with as few as 11,495 atoms in approximately 15 hours.

Sahil Khan, Sayam Sethi, Kaavya Sahay, Yingjia Lin, Jude Alnas, Suhas Kurapati, Abhinav Anand, Jonathan M. Baker, Kennet (…)2026-04-22
⚛️ quantum physics

Uncertainty-disturbance relations and applications

This paper establishes a fundamental connection between quantum uncertainty and intrinsic measurement disturbance through uncertainty-disturbance relations (UDRs), demonstrating that uncertainty both necessitates and bounds disturbance while providing a versatile framework for estimating key quantum resources like entropy, purity, coherence, and randomness.

Liang-Liang Sun, Kishor Bharti, Xiang Zhou, Leong-Chuan Kwek, Jingyun Fan, Sixia Yu2026-04-21
⚛️ nuclear theory

Controlled Gate Networks: Theory and Application to Eigenvalue Estimation

This paper introduces controlled gate networks, a quantum circuit design strategy that significantly reduces the number of two-qubit gates required for linear combinations of unitary operators, and demonstrates its effectiveness in variational calculations, eigenvalue estimation via the rodeo algorithm, and lattice nucleon time evolution through both theoretical analysis and experimental implementation on real quantum hardware.

Max Bee-Lindgren, Zhengrong Qian, Matthew DeCross, Natalie C. Brown, Christopher N. Gilbreth, Jacob Watkins, Xilin Zhang (…)2026-04-21