Optimal four-copy detection of the three-tangle and its fault-tolerant cost

quant-ph

Submitted: 2026-10-19

Updated: 2026-10-19

Comments: 8+12 pages, 3+1 figures, 2 tables

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Related papers

• Reconquering Bell sampling on qudits: stabilizer learning and testing, quantum pseudorandomness bounds, and more
• Encrypted clones can leak: Classification of informative subsets in Quantum Encrypted Cloning
• Polynomial-time classical and quantum simulation of quantum impurity models
• Incoherent Imaging with Spatially Structured Quantum Probes
• A quasiparticle-protected superconducting qubit
• Theory of quantum-enhanced interferometry with general Markovian light sources