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Bogoliubov Quasiparticles in Superconducting Qubits

by Leonid I. Glazman, Gianluigi Catelani

Submission summary

As Contributors: Gianluigi Catelani
Arxiv Link: https://arxiv.org/abs/2003.04366v2 (pdf)
Date submitted: 2021-04-14 09:45
Submitted by: Catelani, Gianluigi
Submitted to: SciPost Physics Lecture Notes
Academic field: Physics
Specialties:
  • Condensed Matter Physics - Experiment
  • Condensed Matter Physics - Theory
  • Quantum Physics

Abstract

Extending the qubit coherence times is a crucial task in building quantum information processing devices. In the three-dimensional cavity implementations of circuit QED, the coherence of superconducting qubits was improved dramatically due to cutting the losses associated with the photon emission. Next frontier in improving the coherence includes the mitigation of the adverse effects of superconducting quasiparticles. In these lectures, we review the basics of the quasiparticles dynamics, their interaction with the qubit degree of freedom, their contribution to the qubit relaxation rates, and approaches to control their effect.

Current status:
Editor-in-charge assigned


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Submission 2003.04366v2 on 14 April 2021

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