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Showing 1 to 9 of 9 for “"Quantum Harmonic Oscillator"”.
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Entanglement and quantum gate processes in the one-dimensional quantum harmonic oscillator
Quantum states can contain correlations which are stronger than is possible in classical systems. Quantum information technologies use these correlations, which are known as entanglement, as a resource for implementing novel protocols in a diverse range of fields such as cryptography, teleportation …
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MIW Sequences
… ground states to the normal ground state of the quantum harmonic oscillator has been shown via Stein's method [13, 5,15, 12]. In the Wasserstein-1 metric, this occurs with rate $\calO(\sqrt{\log N}/N)$. In this context, we define a general notion of MIW sequences as a kind of discrete …
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Bosonic Quantum Error Correction with a Heavy Fluxonium Control Qubit
… codes store information in the phase space of a quantum harmonic oscillator and offer a hardware‐efficient path towards quantum error correction (QEC), requiring only an oscillator and an auxiliary qubit for measurement and universal control. Of the many bosonic codes, the so‐called …
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Temperature and Thermal Noise Suppression for Precision Mechanical Experiments
… that would prove whether gravity exists as a quantum field. One possible proof of the quantum nature of gravity would be to entangle massive quantum harmonic oscillators. This quantum harmonic oscillator acts as a resonant sensor for the entanglement with gravity. The quality factor of a …
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Algorithmic Design and Optimization for Quantum Computation with a Qubit-Oscillator System
Quantum computation has long been dominated by a digital approach using the qubit, which exists in a two-dimensional vector space, as its basic unit. More recently, there has been increasing interest in an analog approach, which uses as its basic unit a qudit in an infinite-dimensional vector …
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Extensible Platforms for Bosonic Quantum Error Correction
Bosonic quantum error correction (QEC) encodes information in the phase space of a quantum harmonic oscillator and offers a hardware-efficient path towards faulttolerant quantum information processing. With superconducting circuits, bosonic QECusing the Gottesman-Kiteav-Preskill (GKP) encoding has …
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Nonsingular and deformed black holes Fundamental aspects and phenomenology
… hole physics, which could encode ignatures of quantum gravity effects at different, even macroscopic, scales. We will investigate modifications and deformations of classical black-hole geometries in a model-independent manner. We start by deriving a general class of regular black holes sourced …
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Electron dynamics in surface acoustic wave devices
… one can create a series of dynamic quantum dots corresponding to the minima of the travelling electric wave, and each dot carries a single electron at the SAW velocity (∼ 2800 m/s). These devices may be of use in developing future quantum information processors, and also offer an …
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Understanding quantum anomalies
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-02-04 without embargo terms