Collectively Encoded Rydberg Qubit

Error rates and resource overheads of encoded three- qubit gates

Two-qubit gates using adiabatic passage of the Stark-tuned Frster resonances in Rydberg atoms

Copyright and Moral Rights for the articles on this site are retained by the individual authors and/or other copyright owners. For more information on Open Research Online's data policy on reuse of materials please consult the policies page. We propose schemes of controlled-Z and controlled-NOT gates with ultracold neutral atoms based on deterministic phase accumulation during double adiabatic ...

Bargaining collectively ∗

Many bargaining situations take place between a central agent and a group of individuals acting collectively where (i) the proposals are restricted to treat all the group members equally, (ii) the decisions of the group are reached through a voting process, and (iii) the vote binds all the members of the group. Examples include debt restructuring negotiations between a troubled company and its ...

Two-qubit gates using adiabatic passage of the Stark-tuned Förster resonances in Rydberg atoms

I. I. Beterov,1,2,3,* M. Saffman,4 E. A. Yakshina,1,2 D. B. Tretyakov,1,2 V. M. Entin,1,2 S. Bergamini,5 E. A. Kuznetsova,1,6 and I. I. Ryabtsev1,2 1Rzhanov Institute of Semiconductor Physics SB RAS, 630090 Novosibirsk, Russia 2Novosibirsk State University, Center of Nonlinear Photonics and Quantum Technologies, 630090 Novosibirsk, Russia 3Novosibirsk State Technical University, 630073 Novosibi...

Surmounting collectively oscillating bottlenecks

We study the collective escape dynamics of a chain of coupled, weakly damped nonlinear oscillators from a metastable state over a barrier when driven by a thermal heat bath in combination with a weak, globally acting periodic perturbation. Optimal parameter choices are identified that lead to a drastic enhancement of escape rates as compared to a pure noise-assisted situation. We elucidate the ...