Defines witness E_NG whose ceiling lower-bounds the Gaussian-irreducible Schmidt number, creating an operational hierarchy for non-Gaussian entanglement in continuous-variable systems.
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quant-ph 3years
2026 3verdicts
UNVERDICTED 3representative citing papers
A tunable preprocessing stage in GKP Steane error correction minimizes the product of output position and momentum noise variances when 2a equals b in the small-noise regime and outperforms the ME-Steane scheme.
Displacement-covariant deterministic CV teleportation channels have vanishing fidelity deviation for coherent states independent of Gaussianity, while input-selective conditioning creates a trade-off that increases deviation and lowers success probability.
citing papers explorer
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Non-Gaussian Entanglement Hierarchy Based on the Schmidt Number
Defines witness E_NG whose ceiling lower-bounds the Gaussian-irreducible Schmidt number, creating an operational hierarchy for non-Gaussian entanglement in continuous-variable systems.
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Optimized Gottesman-Kitaev-Preskill Error Correction via Tunable Preprocessing
A tunable preprocessing stage in GKP Steane error correction minimizes the product of output position and momentum noise variances when 2a equals b in the small-noise regime and outperforms the ME-Steane scheme.
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Universality cost of non-Gaussian enhancement in continuous-variable quantum teleportation: A fidelity--deviation trade-off
Displacement-covariant deterministic CV teleportation channels have vanishing fidelity deviation for coherent states independent of Gaussianity, while input-selective conditioning creates a trade-off that increases deviation and lowers success probability.