Inelastic scattering of a photon by a quantum phase-slip
- URL: http://arxiv.org/abs/2010.02099v2
- Date: Sun, 7 Mar 2021 03:24:43 GMT
- Title: Inelastic scattering of a photon by a quantum phase-slip
- Authors: Roman Kuzmin, Nicholas Grabon, Nitish Mehta, Amir Burshtein, Moshe
Goldstein, Manuel Houzet, Leonid I. Glazman, Vladimir E. Manucharyan
- Abstract summary: We show that a quantum phase-slip fluctuation in high-impedance superconducting waveguides can split a single microwave photon into a large number of lower-energy photons.
The measured decay rates are explained without adjustable parameters in the framework of a new model of a quantum impurity in a Luttinger liquid.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Spontaneous decay of a single photon is a notoriously inefficient process in
nature irrespective of the frequency range. We report that a quantum phase-slip
fluctuation in high-impedance superconducting waveguides can split a single
incident microwave photon into a large number of lower-energy photons with a
near unit probability. The underlying inelastic photon-photon interaction has
no analogs in non-linear optics. Instead, the measured decay rates are
explained without adjustable parameters in the framework of a new model of a
quantum impurity in a Luttinger liquid. Our result connects circuit quantum
electrodynamics to critical phenomena in two-dimensional boundary quantum field
theories, important in the physics of strongly-correlated systems. The photon
lifetime data represents a rare example of verified and useful quantum
many-body simulation.
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