Analytical modeling of parametrically modulated transmon qubits
Nicolas Didier, Eyob A. Sete, Marcus P. da Silva, Chad Rigetti
DOI 10.1103/PhysRevA.97.022330 · Physical Review A
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Abstract
Building a scalable quantum computer requires developing appropriate models to understand and verify its complex quantum dynamics. We focus on superconducting quantum processors based on transmons for which full numerical simulations are already challenging at the level of qubytes. It is thus highly desirable to develop accurate methods of modeling qubit networks that do not rely solely on numerical computations. Using systematic perturbation theory to large orders in the transmon regime, we derive precise analytic expressions of the transmon parameters. We apply our results to the case of parametrically modulated transmons to study recently implemented, parametrically activated entangling gates.
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