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Non-Gaussian Variational Wavefunctions for Interacting Bosons on the Lattice
Tian Qian, Jose J. Fernandez-Melgarejo, David Zueco +1
A variational method for studying the ground state of strongly interacting quantum many-body bosonic systems is presented. Our approach constructs a class of extensive variational…
Measuring the magnon-photon coupling in shaped ferromagnets: tuning of the resonance frequency
Sergio Martinez-Losa del Rincon, Ignacio Gimeno, Jorge Perez-Bailon +4
Cavity photons and ferromagnetic spins excitations can exchange information coherently in hybrid architectures, at speeds set by their mutual coupling strength. Speed enhancement i…
Ultrastrong waveguide QED with giant atoms
Sergi Terradas-Briansó, Carlos A. González-Gutiérrez, Franco Nori +2
Quantum optics with giant emitters has shown a new route for the observation and manipulation of non-Markovian properties in waveguide-QED. In this paper we extend the theory of gi…
High cooperativity coupling to nuclear spins on a circuit QED architecture
V. Rollano, M. C. de Ory, C. D. Buch +9
Nuclear spins are candidates to encode qubits or qudits due to their isolation from magnetic noise and potentially long coherence times. However, their weak coupling to external st…