High cooperativity coupling to nuclear spins on a circuit QED architecture

Rollano, V.; Ory, M. C. de; Buch, C. D.; Rubín-Osanz, M.; Zueco, D.; Sánchez-Azqueta, C.; Chiesa, A.; Granados, D.; Carretta, S.; Gomez, A.; Piligkos, S.; Luis, F.

doi:10.48550/arxiv.2203.00965

Cited by 1 publication

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References 62 publications

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“…Presently, the spin-photon coupling for a single molecular spin is in the range between hertz and kilohertz [13,14]. Although this results in values of J α, β L,R smaller than the photon cavity loss (which is of the order of kilohertz), future prospects indicate that it will be possible to reach larger values to operate in the dispersive regime, for example, by combining electronic and nuclear spins, and nanoconstrictions [31,54]. In particular, if λ i is pushed to the megahertz range, the interaction will be of the order of J α, β L,R ∼ 10 2 kHz, which is larger than the typical photon loss and provides a time window to act on the qudits.…”

Section: Logical Gates In Gdw 30mentioning

confidence: 99%

Multiqudit interactions in molecular spins

Gómez-León

2022

Phys. Rev. A

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We study photon-mediated interactions between molecular spin qudits in the dispersive regime of operation. We derive from a microscopic model the effective interaction between molecular spins, including their crystal field anisotropy (i.e., the presence of nonlinear spin terms) and their multilevel structure. Finally, we calculate the long-time dynamics for a pair of interacting molecular spins using the method of multiple-scale analysis. This allows us to find a set of two-qudit gates that can be realized for a specific choice of molecular spins and to determine the time required for their implementation. Our results are relevant for the implementation of logical gates in general systems of qudits with unequally spaced levels or to determine an adequate computational subspace to encode and process the information.

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Section: Logical Gates In Gdw 30mentioning

confidence: 99%

Multiqudit interactions in molecular spins

Gómez-León

2022

Phys. Rev. A

View full text Add to dashboard Cite

show abstract

High cooperativity coupling to nuclear spins on a circuit QED architecture

Cited by 1 publication

References 62 publications

Multiqudit interactions in molecular spins

Multiqudit interactions in molecular spins

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