6894 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 investigates non-Markovian memory effects on IBM Quantum processors using a collision-model approach, demonstrating the verification of quantum memory in single-qubit dynamics and proposing an alternative method to witness such memory in two-qubit systems despite current hardware limitations.
This paper demonstrates that spacetime curvature in and black hole backgrounds induces an effective magnetic field and chiral chemical potential for Dirac fermions, driving asymmetric real-time transport and entanglement dynamics confined within inhomogeneous Lieb-Robinson cones that are diagnostic of curvature and horizon effects.
This paper introduces a novel method using permutation defects between ground-state replicas to extract chiral topological properties, such as the chiral central charge and Hall conductance, directly from bulk wavefunctions, thereby bridging the gap between bulk entanglement measures and boundary anomalies for both numerical and quantum device applications.
This paper proposes a computable measure of quantum coherence dispersion () that captures complexity by peaking at intermediate levels of relative entropy of coherence, drawing parallels to complexity quantifiers across diverse fields and exploring its implications for non-equilibrium quantum systems.
This paper proposes a dual-register encoded quantum circuit design for implementing coined quantum walks on complex networks that achieves polynomial scaling () in circuit depth, validated through both numerical simulations and experiments on IBM's ibm\_torino processor, demonstrating its potential for future fault-tolerant quantum computing despite current NISQ hardware limitations.
This paper investigates the collective Bose-Hubbard model on a four-site lattice to reveal that quantum-classical correspondence breaks down in an intermediate energy regime due to quantum dynamics remaining trapped in symmetry-breaking sectors despite classical chaos, leading to unexpectedly slow convergence to the classical limit even for large particle numbers.
This paper presents a quantum-computing-first derivation of the Unitary Coupled Cluster ansatz, demonstrating how its structure naturally arises from fermionic algebra under unitary constraints to bridge conceptual gaps between quantum chemistry and quantum computing implementations via the Jordan-Wigner mapping.
This paper introduces the H-EFT-VA, an Effective Field Theory-inspired variational ansatz that provably avoids barren plateaus by enforcing a hierarchical UV-cutoff to restrict state exploration while maintaining volume-law entanglement, resulting in significantly improved energy convergence and ground-state fidelity compared to standard hardware-efficient ansätze.
This paper proposes and demonstrates a protocol using entangled photon pairs for narrowband excitation combined with time-frequency filtered coincidence counting to overcome spectral and temporal bottlenecks, enabling state-resolved monitoring of dissipative two-exciton kinetics in molecular aggregates.
This paper establishes a rigorous, model-independent criterion for finite-temperature quantum adiabaticity in driven many-body systems by deriving bounds on mixed-state fidelity that reveal a universal scaling where the threshold driving rate factorizes into zero-temperature system-size contributions and a temperature-dependent factor that transitions from unity at low temperatures to linear behavior at high temperatures.