Multiqubit coherence of mixed states near event horizon

2025/05/12 by Li, Wen-Mei, Lu, Jianbo, Wu, Shu-Min · 6 citations
#FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2505.07476

Abstract

We study physically accessible and inaccessible N-qubit coherence of the mixed Greenberger-Horne-Zeilinger (GHZ) and W states for bosonic and fermionic fields when any n (n

Citations

• Wormhole-Induced correlation: A Link Between Two Universes
• Scrambling-Enhanced Quantum Battery Charging in Black Hole Analogues
• Can the latent signatures of quantum superposition be detected through correlation harvesting?
• Nonseparability of multipartite systems in dilaton black hole
• Harvesting correlations from BTZ black hole coupled to a Lorentz-violating vector field
• Simulating Hawking radiation in quantum many-body systems: deviations from the thermal spectrum
• Does acceleration always degrade quantum entanglement for tetrapartite Unruh-DeWitt detectors?
• Observational signature of Lorentz violation in acceleration radiation
• Simulation of the massless Dirac field in 1+1D curved spacetime
• Lorentz violation alleviates gravitationally induced entanglement degradation
• Quantum error correction below the surface code threshold
• Microsatellite-based real-time quantum key distribution
• Physically Accessible and Inaccessible Quantum Correlations of Dirac Fields in Schwarzschild Spacetime
• Polariton Fluids as Quantum Field Theory Simulators on Tailored Curved Spacetimes
• Reflected entropy and Markov gap in non-inertial frames
• Gaussian Boson Sampling with Pseudo-Photon-Number Resolving Detectors and Quantum Computational Advantage
• Does Hawking effect always degrade fidelity of quantum teleportation in Schwarzschild spacetime?
• Quantum simulation of Hawking radiation and curved spacetime with a superconducting on-chip black hole
• Black-hole evaporation in the Klein-Sauter-Heisenberg-Euler formalism

Cited by

• Advantages and disadvantages of maximally entangled states in dilaton black hole background
• Entanglement, equivalence principle, and HBAR entropy, in a new bumblebee black hole
• Transition rates and their applications in accelerated single-qubit for fermionic spinor field coupling
• Entanglement degradation of static black holes in effective quantum gravity
• Open quantum battery in three-dimensional rotating black hole spacetime
• Does the Hawking effect have the same impact on quantum entanglement and coherence in curved spacetime?

Related

• Coherence of multipartite quantum states in the black hole quantum atmosphere
• 14-Qubit Entanglement: Creation and Coherence
• Stochastic Coherence Theory for Qubits
• Critical visibility for N-particle Greenberger-Horne-Zeilinger correlations to violate local realism
• Multi-state imaginarity and coherence in qubit systems