Decoherence of the color code produces a mixed state with topological entanglement negativity ln 2 that corresponds to an emergent single toric code.
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For finite nilpotent group symmetries, symmetric measurements and feedforward collapse all SPT and non-normal MPS phases into one asymptotically equivalent phase.
Graph completeness encodes full exchange symmetry while directed orientation on complete graphs encodes full antisymmetry in multipartite quantum states.
A graph-based bounded distance decoder corrects all errors up to a chosen weight in arbitrary stabilizer codes by representing stabilizers and syndromes as graphs and pruning the search space with a feed-forward structure.
Closed-form expressions and circuit compression enable efficient strong and weak simulation of noisy stabilizer circuits with non-deterministic measurements.
A mapping from stabilizer generators to dual Ising spins converts hidden nonlocal order in stabilizer codes into observables with extensive quantum Fisher information density.
The phase quantum walk replaces the shift operator with a conditional phase gate to enable distribution of arbitrary graph states with a universal local Z correction that works for any topology.
Higher moments of entanglement entropy distribution in hybrid quantum circuits distinguish measurement-induced phases and are captured by a phenomenological model for area-law combined with directed polymer description for volume-law.
BURY heuristic partitions graph states across QPUs by minimizing maximum matching sizes between partitions, requiring fewer Bell pairs than standard k-partition methods and lowering cut-rank.
LC-inequivalent graph-state blocks in random Clifford circuits yield distinct entanglement velocities v_E and butterfly velocities v_B, correlated with internal entanglement distribution and graph connectivity.
Photon addition and subtraction enhance Gaussian-source heralded generation of dual-rail Bell, GHZ, and W states with improved fidelity and success probability.
Photon addition to cat states produces a parity phase shift for odd additions and drives sub-Poissonian statistics regardless of component phase, trading quadrature squeezing for amplitude-squared squeezing.
citing papers explorer
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Decohered color code and emerging mixed toric code by anyon proliferation: Topological entanglement negativity perspective
Decoherence of the color code produces a mixed state with topological entanglement negativity ln 2 that corresponds to an emergent single toric code.
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Phases of matrix-product states with symmetries and measurements: Finite nilpotent groups
For finite nilpotent group symmetries, symmetric measurements and feedforward collapse all SPT and non-normal MPS phases into one asymptotically equivalent phase.
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Symmetric and Antisymmetric Quantum States from Graph Structure and Orientation
Graph completeness encodes full exchange symmetry while directed orientation on complete graphs encodes full antisymmetry in multipartite quantum states.
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A graph-aware bounded distance decoder for all stabilizer codes
A graph-based bounded distance decoder corrects all errors up to a chosen weight in arbitrary stabilizer codes by representing stabilizers and syndromes as graphs and pruning the search space with a feed-forward structure.
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Analytical and Compressed Simulation of Noisy Stabilizer Circuits
Closed-form expressions and circuit compression enable efficient strong and weak simulation of noisy stabilizer circuits with non-deterministic measurements.
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Assembling Extensive Quantum Fisher Information in Stabilizer Systems
A mapping from stabilizer generators to dual Ising spins converts hidden nonlocal order in stabilizer codes into observables with extensive quantum Fisher information density.
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The Phase Quantum Walk: A Unified Framework for Graph State Distribution in Quantum Networks
The phase quantum walk replaces the shift operator with a conditional phase gate to enable distribution of arbitrary graph states with a universal local Z correction that works for any topology.
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On the Entanglement Entropy Distribution of a Hybrid Quantum Circuit
Higher moments of entanglement entropy distribution in hybrid quantum circuits distinguish measurement-induced phases and are captured by a phenomenological model for area-law combined with directed polymer description for volume-law.
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Quantum Hamlets: Distributed Compilation of Large Algorithmic Graph States
BURY heuristic partitions graph states across QPUs by minimizing maximum matching sizes between partitions, requiring fewer Bell pairs than standard k-partition methods and lowering cut-rank.
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Graph-State Circuit Blocks control Entanglement and Scrambling Velocities
LC-inequivalent graph-state blocks in random Clifford circuits yield distinct entanglement velocities v_E and butterfly velocities v_B, correlated with internal entanglement distribution and graph connectivity.
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Heralded entangled state generation enhanced by photon addition and subtraction
Photon addition and subtraction enhance Gaussian-source heralded generation of dual-rail Bell, GHZ, and W states with improved fidelity and success probability.
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Nonclassicality of multi-photon-added cat states
Photon addition to cat states produces a parity phase shift for odd additions and drives sub-Poissonian statistics regardless of component phase, trading quadrature squeezing for amplitude-squared squeezing.
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