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quant-ph2010★ 37 cited
Concentration of measure for quantum states with a fixed expectation value
Markus Mueller, David Gross, Jens Eisert
Given some observable H of a finite-dimensional quantum system, we investigate the typical properties of random quantum state vectors that have a fixed expectation value with respe…
quant-ph2010★ 6 cited
Heralded Polynomial-Time Quantum State Tomography
Steven T. Flammia, David Gross, Stephen D. Bartlett +1
We describe an algorithm for quantum state tomography that converges in polynomial time to an estimate, together with a rigorous error bound on the fidelity between the estimate an…