Abstract

Coherent exchange between photons and different matter excitations (like qubits, acoustic surface waves or spins) allows for the entanglement of light and matter and provides a toolbox for performing fundamental quantum physics. On top of that, coherent exchange is a basic ingredient in the majority of quantum information processors. In this work, we develop the theory for coupling between magnetic textures (vortices and skyrmions) stabilized in ferromagnetic nanodiscs and microwave photons generated in a superconducting circuit. Within this theory we show that this hybrid system serves for performing broadband spectroscopy of the magnetic textures. We also discuss the possibility of reaching the strong coupling regime between these texture excitations and a single photon residing in a microwave superconducting cavity.

Highlights

  • With the promise of developing quantum technologies, in the last years an enormous effort has been focused on building different quantum systems operating in a fully quantum coherent way [1]

  • We discuss the possibility of reaching the strong coupling regime between these texture excitations and a single photon residing in a microwave superconducting cavity

  • We introduce the theory for coupling magnetic textures to photons generated in superconducting circuits both in open transmission lines and single mode cavities

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Summary

25 November 2019

We develop the theory for coupling between attribution to the author(s) and the title of magnetic textures (vortices and skyrmions) stabilized in ferromagnetic nanodiscs and microwave the work, journal citation photons generated in a superconducting circuit. Within this theory we show that this hybrid system and DOI.

Introduction
Magnetic Hamiltonian and its coupling to light
Waveguide quantum electrodynamics
Magnetic textures and cavity QED: strong and weak coupling regimes
Conclusions

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