Webbwhere 'circuit' is the preparation quantum circuit. qr is the quantum register to be measured.; cr is the classical register to store the measurement results.; process_tomo_set is a process_tomography_set.; The function output, tomo_circuits, is a list of tomography circuits which is used to execute the tomography experiments.The prepared and … Webb(and simple) distance measures for quantum operations is a subtleproblem[25].Forsimplicity,wequantifytheproximity between a tomographically reconstructed process E meas and a target process E 0 by the mean fidelity: F(0 [ρ in], meas in]), where F(ρ,σ) = Tr[√ ρσ ρ]2 is the Uhlmann fidelity between the density …

Choi’s proof as a recipe for quantum process tomography

Webb27 maj 2011 · The operational quality of the QEC protocol can be assessed by exposing it to correctable errors, that is, single-qubit phase-flip errors. Ideally, the encoded qubit experiences an identity operation. Experimentally, the implemented process is characterized with quantum process tomography ( 22, 23 ), which yields a process … Webb27 apr. 2024 · Quantum process tomography (QPT) methods aim at identifying, i.e., estimating, a given quantum process. QPT is a major quantum information processing … britbox keeps buffering

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Webbunvec(vec(A)) = A. u n v e c ( v e c ( A)) = A. Of course unvec () generally depends on the dimensions of A A , which are not recoverable from vec (A). We often focus on square A, but for generality, we require the dimensions for A A, defaulting to the square root of the dimension of vec (A). WebbWe propose and evaluate experimentally an approach to quantum process tomography that completely removes the scaling problem plaguing the standard approach. The key … WebbAlthough prodigious amounts of research were conducted over the past century to improve the current treatment options of cancer, no genuine changes were made to the sine qua non of treatment for tumours, namely surgery. 3 Wistfully, none of the different imaging modalities used for tumour detection and surgical planning in a preoperative setting, eg … britbox keeping up appearances