… bits or qubits. Ideally, we would like to be able to compare any two single qubit maps, but …
The comparison is, however, much simpler if one map is unitary or anti-unitary. A natural …

… This linear mapping is called a classical Gibbs distribution for a single spin. However, it
was observed in [32] that the ICE effects of available QA hardware platforms result in an input/…

… Different fidelity measures of pairs of … fidelity measuring the distinguishability of the
corresponding Choi states [26], the minimax fidelity [27] with operational connection to the …

… since the number of measurements required to completely map a multi-qubit process …
of the single-atom spin qubit device described in [26]. We focus on the gate fidelity of qubits …

… For 0 /2, the optimal map is the identity and the fidelity varies … optimal map is the universal-NOT
gate and the fidelity varies … type of transformation on a single qubit, we will find the one …

… a single-shot implementation. We develop a quantumcontrol procedure to construct a single-…
such that the fidelity is 99.9% and is as fast as an entangling two-qubit gate under the same …

… We demonstrate laser-driven two-qubit and single-qubit logic gates with respective fidelities
… gate error, but this additional mapping cost should be straightforward to reduce by improved …

… full quantum evolution of the physical qubits, in Sec. VIII we map the fidelity calculation after
one QEC cycle … IX we discuss several scenarios based on that mapping, including cases with …

… map is applied to a large number of qubits with one-bit fidelity F close to unity, the average
fidelity … single qudit fidelity F n , and hence we obtain the relation between the K-qudit and the …

… -preserving linear map M :(3) ρ = U ρ 0 U † , ρ ′ = M ( ρ 0 ) . The average fidelity is defined
… To explain our approach, we first rederive the result for a single-qubit systems. The density …