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arXiv:2604.07856v1 Announce Type: new Abstract: Deploying quantum machine learning algorithms on near-term quantum hardware requires circuits that respect device-specific gate sets, connectivity const…
arXiv:2604.07849v1 Announce Type: new Abstract: Noise is a major challenge in quantum computing, affecting the reliability of quantum protocols. In this work, we analytically study the impact of vario…
arXiv:2604.07847v1 Announce Type: new Abstract: We revisit the longstanding issue of why no well defined probability measure exists corresponding to a classical (Kolmogorov) path integral representati…
arXiv:2604.07828v1 Announce Type: new Abstract: Phase estimation in quantum interferometry is a major scenario where the quantum advantage is significantly revealed. Recently, the optimal finite-dimen…
arXiv:2604.07804v1 Announce Type: new Abstract: Continuous-variable (CV) cluster states offer a promising platform for large-scale measurement-based quantum computations (MBQC). However, finite squeez…
arXiv:2604.07787v1 Announce Type: new Abstract: Integral transformations are useful mathematical tool to work out signals and wave-packets in electronic devices. They may be used in software protocols…
arXiv:2604.07782v1 Announce Type: new Abstract: Ghost imaging was first demonstrated with entangled photon pairs and well-known for its peculiar properties. The signal beam that illuminates the object…
arXiv:2604.07714v1 Announce Type: new Abstract: We investigate the critical behavior of momentum-space entanglement entropy at dynamical quantum phase transitions (DQPTs) in translationally invariant …
arXiv:2604.07704v1 Announce Type: new Abstract: Efficiently simulating many-body quantum systems with Coulomb interactions is a fundamental question in quantum physics, quantum chemistry, and quantum …
arXiv:2604.07682v1 Announce Type: new Abstract: Precise environmental-noise characterisation in open quantum systems is a key step toward high-fidelity quantum control and targeted decoherence suppres…
arXiv:2604.07641v1 Announce Type: new Abstract: Entanglement criteria based on variances or Fisher information are well developed for compact collective spin algebras, but their extension to non-compa…
arXiv:2604.07639v1 Announce Type: new Abstract: Broadly applicable quantum advantage, particularly in classical data processing and machine learning, has been a fundamental open problem. In this work,…
arXiv:2604.07633v1 Announce Type: new Abstract: We analyze fermionic entanglement and correlation measures in the ground and the low temperature thermal state of the water molecule as a function of th…
arXiv:2604.07471v1 Announce Type: new Abstract: A foundational result in relativistic quantum information theory due to Peres, Scudo, and Terno, is that von Neumann entropy is not Lorentz invariant. M…
arXiv:2604.07460v1 Announce Type: new Abstract: In this work, we consider the fundamental task of quantum state certification: given copies of an unknown quantum state $\rho$, test whether it matches …
arXiv:2604.07452v1 Announce Type: new Abstract: In dense neutrino gases, which exist for instance in supernovae, the flavour states of different neutrinos may become entangled with one another. The th…
arXiv:2604.07451v1 Announce Type: new Abstract: Remote entanglement enables coordinated decision making without communication and produces correlations beyond those achievable by any classical strateg…
arXiv:2604.07448v1 Announce Type: new Abstract: We study the regimes in which Hamiltonian simulation benefits from randomization. We introduce a sparse-QSVT construction based on composite stochastic …
arXiv:2604.07442v1 Announce Type: new Abstract: Periodically driven quantum systems can exhibit subharmonic response, usually characterized through physical observables and often discussed in interact…
arXiv:2604.07439v1 Announce Type: new Abstract: Solid-state spin defects are a promising platform for quantum networks. A key requirement is to combine long ground-state spin-coherence times with a co…
arXiv:2604.07436v1 Announce Type: new Abstract: Quantum simulations of high-energy physics in $2+1$D can probe dynamical phenomena nonexistent in one spatial dimension and access regimes that are chal…
arXiv:2604.07425v1 Announce Type: new Abstract: The manuscript [arXiv:2603.19208] proposes a physically motivated postulate to select the appropriate formulation of quantum theory over real Hilbert sp…
arXiv:2604.07418v1 Announce Type: new Abstract: We show that the quadratic measure need not be postulated, but follows from the compatibility of two structural features of physical processes: linear r…
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