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arXiv:2604.14721v1 Announce Type: new Abstract: The Casimir-Polder (CP) effect -- the force between a neutral atom and an uncharged conducting plate in empty space -- is an intriguing consequence of q…
arXiv:2604.14660v1 Announce Type: new Abstract: Photonic state engineering in waveguide QED is typically based on local light-matter interactions. This limits its control over the spatial structure of…
arXiv:2604.14617v1 Announce Type: new Abstract: We establish a sharp logarithmic trace inequality that strengthens recent bounds of Cheng et al.(arXiv:2507.07961) by replacing their prefactor $c_s/s$ …
arXiv:2604.14601v1 Announce Type: new Abstract: Cavity quantum electrodynamics (QED) with quantum emitters coupled to resonators provides a powerful platform for engineering light-matter interactions …
arXiv:2604.14516v1 Announce Type: new Abstract: Multipartite entanglement is an essential quantum resource for various distributed quantum applications. One promising method for preparing multipartite…
arXiv:2604.14515v1 Announce Type: new Abstract: We theoretically investigate a quadratic optomechanical system comprising a single-mode optical cavity linearly coupled to one mechanical resonator and …
arXiv:2604.14511v1 Announce Type: new Abstract: The quantum random number generation based on laser phase noise, which is featured with high generation rate and ease for photonic integration, has been…
arXiv:2604.14435v1 Announce Type: new Abstract: The Variational Quantum Linear Solver (VQLS), a hybrid quantum-classical algorithm for solving linear systems, faces a practical scalability bottleneck:…
arXiv:2604.14428v1 Announce Type: new Abstract: Scalable estimation of quantum states with readout errors is a central challenge in large multiqubit systems. Existing overlapping-tomography methods im…
arXiv:2604.14382v1 Announce Type: new Abstract: The Lindblad (GKLS) master equation, which represents the mathematical form for the general evolution of a density matrix, is a versatile and widely-use…
arXiv:2604.14381v1 Announce Type: new Abstract: Many combinatorial optimization problems admit a maximin fairness variant, where the aim is to find a distribution over possible solutions which maximiz…
arXiv:2604.14323v1 Announce Type: new Abstract: Boson sampling is a leading candidate for demonstrating quantum advantage in photonic systems. Despite significant experimental and theoretical progress…
arXiv:2604.14319v1 Announce Type: new Abstract: In the literature, there are two differing definitions of contextuality: Kochen and Specker's, and Spekkens' (or ``generalised''). However, researchers …
arXiv:2604.14300v1 Announce Type: new Abstract: Exploiting enhanced sensitivity of a system in the vicinity of a phase transition boundary, critical quantum metrology to date still suffers from gap-cl…
arXiv:2604.14299v1 Announce Type: new Abstract: The ongoing development of hardware that is capable of reliably executing general quantum algorithms requires quantum error-correcting codes that are bo…
arXiv:2604.14298v1 Announce Type: new Abstract: Measuring stochastic signals ("noise metrology") constitutes a central task in quantum sensing and the characterization of open quantum systems. Here we…
arXiv:2604.14296v1 Announce Type: new Abstract: To produce an operable quantum computer that is made with imperfect hardware, we must design and test scalable quantum error correcting codes that are s…
arXiv:2604.14291v1 Announce Type: new Abstract: Boundary time crystals (BTCs) are prominent examples of continuous time crystals in collective spin systems governed by Lindbladian evolution. To date, …
arXiv:2604.14277v1 Announce Type: new Abstract: We study the growth of entanglement and circuit complexity in random passive linear optical networks as a function of the circuit depth. For entanglemen…
arXiv:2604.14269v1 Announce Type: new Abstract: Qubit loss is a major source of error in quantum computation, as it invalidates the algebraic structure of the standard stabilizer formalism for quantum…
arXiv:2604.14252v1 Announce Type: new Abstract: It is commonly accepted that the results of measurements simultaneously realized over two entangled subsystems are statistically correlated instantaneou…
arXiv:2604.14234v1 Announce Type: new Abstract: Consciousness and quantum mechanics are among the most puzzling phenomena studied in the sciences. Some scholars suggest they are related, though others…
arXiv:2604.14229v1 Announce Type: new Abstract: Synthetic Aperture Radar (SAR) data is inherently complex-valued, while quantum machine learning (QML) models naturally operate in complex Hilbert space…
arXiv:2604.14224v1 Announce Type: new Abstract: A time-integrated measure of complexity is proposed for diagnosing the degree of quantum ergodicity. The scrambling dynamics of maximally entangled stat…