9083 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.
This paper introduces a constraint-preserving QAOA framework for personnel rostering that embeds hard scheduling constraints directly into a guarded-XY mixer and tight-pattern extensions, thereby eliminating the need for penalty calibration and guaranteeing feasible evolution while outperforming traditional penalty-based methods in solution quality.
This paper introduces Fluence, a Kubernetes scheduler plugin that leverages graph-based gang scheduling to solve the unique two-queue orchestration challenges of hybrid quantum-classical workloads, significantly reducing worker idle time, eliminating wasted node resources, and cutting costs by enabling intelligent, queue-aware device selection.
This paper establishes a versatile algebraic framework for quantum stochastic thermodynamics of macroscopic systems that utilizes coarse-grained measurement statistics and a generalized entropy concept to derive second laws and fluctuation theorems, thereby unifying macroscopic and stochastic thermodynamics in a genuinely quantum, experimentally accessible manner.
This paper reveals that Richardson Zero-Noise Extrapolation can produce misleading, artefactual improvements on current quantum hardware by collapsing into a fixed rescaling of noisy data rather than reflecting true physics, and proposes specific negative controls and a reporting checklist to prevent such invalid benchmarking.
This paper introduces COSMA, a communication-aware compilation framework that jointly optimizes fermion-to-qubit mapping, Pauli scheduling, and qubit allocation to significantly reduce inter-core communication costs in modular quantum architectures for fermionic simulations.
This paper introduces a new distance metric for graph states based on shared ancilla preparation, establishes its connection to vertex-minors and rank integrity, and analyzes the computational complexity of the resulting clustering problems, proving rank integrity to be W[1]-hard yet XP-parameterized while providing a polynomial-time algorithm for the specific case of .
This paper introduces Orthogonal Quantum Krylov Diagonalization (OQKD), a framework that reformulates classical Lanczos recursion at the operator level to achieve stable, overlap-free quantum subspace diagonalization with optimal query complexity, while also proposing a restarted protocol to enable efficient state preparation for Quantum Phase Estimation.
This paper demonstrates that separable quantum states, which lack entanglement, can generate new and advantageous equilibria in Bayesian games that outperform all classically correlated strategies, proving that non-classical correlations beyond entanglement serve as a valuable resource for achieving quantum advantage in game theory.
This paper proposes superconducting singlet-triplet qubits based on parallel-aligned double quantum dots in Josephson junctions, which offer circuit QED control and all-to-all connectivity without requiring spin-orbit interaction, thereby expanding material options and reducing control overhead while providing linear protection against noise.
This paper demonstrates the first coherent control of a Majorana parity qubit by realizing coherent coupling between two-site minimal Kitaev chains, where the authors observe parity oscillations that align with theoretical predictions for partially protected Majorana zero modes.