3 papers
quant-ph2025
Clifford entropy
Gianluca Cuffaro, Matthew B. Weiss
We introduce the Clifford entropy, a measure of how close an arbitrary unitary is to a Clifford unitary, which generalizes the stabilizer entropy for states. We show that this quan…
quant-ph2025
Stabilizer Entropy of Subspaces
Simone Cepollaro, Gianluca Cuffaro, Matthew B. Weiss +3
We consider the costs and benefits of embedding the states of one quantum system within those of another. Such embeddings are ubiquitous, e.g., in error correcting codes and in sym…
quant-ph2024
Quantum States with Maximal Magic
Gianluca Cuffaro, Christopher A. Fuchs
Finding ways to quantify magic is an important problem in quantum information theory. Recently Leone, Oliviero and Hamma introduced a class of magic measures for qubits, the stabil…