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Insider Brief PRESS RELEASE — Today QC Design announced the launch of Gauge, an extension of its Plaquette platform that determines the optimal fault-tolerance threshold for a given quantum error corr…
The business impact of cryptographic drift: The urgent case for post-quantum cryptography Federal News Network
AI Helped Spark a Quantum Breakthrough. The World 'Is Not Prepared' Time Magazine
arXiv:2604.20371v1 Announce Type: new Abstract: A two-qutrit extension of the quantum Rabi model is studied. Despite its increased complexity, the model results to be integrable under specific, physic…
arXiv:2604.20363v1 Announce Type: new Abstract: The present work focuses on the strong/weak interaction of many-body spin-systems with a cavity mode. It introduces the necessity of redefining the phys…
arXiv:2604.20353v1 Announce Type: new Abstract: We show that the construction of the linear interferometer in the Supplemental Material of arXiv:1909.09581 is flawed, leading to a generally suboptimal…
arXiv:2604.20338v1 Announce Type: new Abstract: Efficient resource allocation and optical switching promise high key rates, network adaptability, and cost reduction in repeaterless quantum communicati…
arXiv:2604.20335v1 Announce Type: new Abstract: We study a class of quantum dynamical maps for d-level systems that interpolate between positive, Schwarz, and completely positive evolutions. Our appro…
arXiv:2604.20321v1 Announce Type: new Abstract: The Traveling Salesman Problem is a classical NP-hard combinatorial optimization problem that has been extensively studied in operations research. A maj…
arXiv:2604.20303v1 Announce Type: new Abstract: We introduce an operational criterion to identify Wigner function (WF) negativity for an arbitrary quantum state within the framework of quantum non-dem…
arXiv:2604.20284v1 Announce Type: new Abstract: We present an explicit quantum circuit construction for Hamiltonian simulation of a first-order velocity--stress formulation of the three-dimensional el…
arXiv:2604.20180v1 Announce Type: new Abstract: We adopt a two-dimensional tensor-network (TN) ansatz to simulate variational quantum algorithms on two-dimensional qubit architectures, demonstrating i…
arXiv:2604.20149v1 Announce Type: new Abstract: Quantum coherence is an important quantum resource which plays a pivotal role in the field of quantum information. Based on metric adjusted skew informa…
arXiv:2604.20118v1 Announce Type: new Abstract: We initiate an investigation into a notion of state complexity for discrete-variable quantum systems. Specifically, we propose an information-theoretic …
arXiv:2604.20108v1 Announce Type: new Abstract: Higher-order networks with multiway interactions can exhibit collective dynamical phenomena that are absent in traditional pairwise network models. Howe…
arXiv:2604.20103v1 Announce Type: new Abstract: Continuous-variable (CV) quantum teleportation is usually benchmarked by average fidelity, but when the teleportation is repeatedly used within optical …
arXiv:2604.20088v1 Announce Type: new Abstract: Constrained combinatorial optimization problems are frequently reformulated as quadratic unconstrained binary optimization (QUBO) models in order to lev…
arXiv:2604.20033v1 Announce Type: new Abstract: We show how to directly and efficiently approximate arbitrary one-qubit unitaries, bypassing the Euler decomposition and the magnitude approximation pro…
arXiv:2604.20013v1 Announce Type: new Abstract: Early modular fault tolerant quantum computers remain constrained by costly inter-module communication and limited magic state factory service. Understa…
arXiv:2604.20001v1 Announce Type: new Abstract: We analyze the quantum dynamics of the fractional-time Jaynes-Cummings model using a recent unitary framework for the fractional-time Schr\"odinger equa…
arXiv:2604.19990v1 Announce Type: new Abstract: Higher-dimensional quantum systems, such as qudits, offer architectural and algorithmic advantages over qubits, but their increased spectral crowding an…
arXiv:2604.19973v1 Announce Type: new Abstract: Stationary states of quantum many-body Hamiltonians are invariant under the Hamiltonian evolution. Besides ground and thermal states, this class include…
arXiv:2604.19944v1 Announce Type: new Abstract: Based on a consistent quantum microscopic approach, we investigate the peculiarities of collective polyatomic effects in atomic ensembles placed in a wa…
arXiv:2604.19911v1 Announce Type: new Abstract: We present a hitherto unexplored semi-device-independent (SDI) self-testing protocol designed to certify unitary operations within a variant of prepare-…