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quant-ph2026
Improved bounds on stabilizer extent and Clifford rank
Pulkit Sinha, Benjamin Lovitz
We prove that every pure state of stabilizer rank at most has stabilizer extent at most , and establish the analogous bound for the squared Clifford c…
quant-ph2026
Enhanced quantum capacity thresholds from symmetry
Avantika Agarwal, Amolak Ratan Kalra, Sungjai Lee +4
The quantum capacity captures the value of a quantum channel for transmitting quantum information, establishing the fundamental limits on quantum communication. In spite of its cen…