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arXiv:2603.24070v1 Announce Type: new Abstract: Miniaturized quantum light sources that operate directly in optical fibers are an attractive platform for optical quantum technologies. However, most mi…
arXiv:2603.24069v1 Announce Type: new Abstract: Quantum circuits that generate coherent superpositions of stochastic processes are key to many downstream quantum-accelerated tasks, such as risk analys…
arXiv:2603.24067v1 Announce Type: new Abstract: We investigate the quantum evolution of the pump field in second-harmonic generation under strong pump depletion. Starting from a coherent state, the pu…
arXiv:2603.24035v1 Announce Type: new Abstract: Quantum probes that enable enhanced exploration and characterization of complex systems are central to modern science, spanning applications from biolog…
arXiv:2603.24032v1 Announce Type: new Abstract: Exceptional points (EPs) in non-Hermitian systems give rise to enhanced sensitivity and chiral state transfer, which are important for quantum technolog…
arXiv:2603.24017v1 Announce Type: new Abstract: We suggest a tight inequality for norms in $d$-dimensional space $l_p $ which has simple formulation but appears hard to prove. We give a proof for $d=3…
arXiv:2603.23999v1 Announce Type: new Abstract: Nonadiabatic holonomic quantum computation (NHQC) offers intrinsic resilience to certain control imperfections. However, conventional nonadiabatic holon…
arXiv:2603.23936v1 Announce Type: new Abstract: Quantum computers, currently in the noisy intermediate-scale quantum (NISQ) era, have started to provide scientists with a novel tool to explore quantum…
arXiv:2603.23892v1 Announce Type: new Abstract: Graph states are a key resource for measurement-based quantum computation and quantum networking, but state-preparation costs limit their practical use.…
arXiv:2603.23813v1 Announce Type: new Abstract: The mathematical rules used to handle systems of identical quantum particles bring into question whether the elementary constituents of matter, such as …
arXiv:2603.23804v1 Announce Type: new Abstract: Dephasing noise is a ubiquitous source of decoherence in current atomic sensors. We address the problem of entanglement-assisted frequency estimation su…
arXiv:2603.23798v1 Announce Type: new Abstract: We introduce the architecture and timing algorithm to realize a time-bin-encoded quantum photonic neural network (QPNN): a reconfigurable nonlinear phot…
arXiv:2603.23774v1 Announce Type: new Abstract: A quantum particle on a circle in a quadratic potential exhibits a spectrum that is not harmonic, despite having all algebraic properties of the quantum…
arXiv:2603.23718v1 Announce Type: new Abstract: Recent comparisons of quantum repeater protocols have highlighted the strong near-term potential of multiplexed two-way architectures for long-distance …
arXiv:2603.23656v1 Announce Type: new Abstract: We establish an exact information-geometric inequality that remains valid regardless of the underlying dynamics, encompassing both Markovian and non-Mar…
arXiv:2603.23641v1 Announce Type: new Abstract: We present a comprehensive and self-contained framework for the efficient classical simulation of Clifford circuits acting on $d$-dimensional qudits, in…
arXiv:2603.23636v1 Announce Type: new Abstract: Fluxonium superconducting qubits have demonstrated long coherence times and high single- and two-qubit gate fidelities, making them a favorable building…
arXiv:2603.23628v1 Announce Type: new Abstract: State cloning and state transposition are fundamental transformations which, despite being desirable, cannot be perfectly implemented in quantum theory.…
arXiv:2603.23604v1 Announce Type: new Abstract: A key aspect in quantum information is to understand the advantage offered by quantum systems over classical ones in communication tasks. In recent year…
arXiv:2603.23603v1 Announce Type: new Abstract: Solid-state spin defects are promising qubits for quantum network nodes. A key challenge towards larger networks is creating defects with high yield int…
arXiv:2603.23602v1 Announce Type: new Abstract: Although quantum annealing is usually considered as a method for locating the ground states of difficult spin-glass and optimization problems, its use i…
arXiv:2603.23601v1 Announce Type: new Abstract: Given the recent interest in perspectival quantum reference frames (QRFs), we ask how quantum properties in the perspectival picture relate to their glo…
arXiv:2603.23598v1 Announce Type: new Abstract: Quantum reference frames provide a relational description of multipartite quantum systems in which physical states and observables are defined relative …
arXiv:2603.23595v1 Announce Type: new Abstract: Agreement theorems are no-go results about rational disagreement: if two agents start from a common prior and their posterior beliefs are common knowled…