Experimental Realization of a Protected Superconducting Circuit Derived from the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mn>0</mml:mn></mml:math>–<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>π</mml:mi></mml:math> Qubit
András Gyenis, Pranav S. Mundada, Agustin Di Paolo, Thomas M. Hazard, Xinyuan You, David I. Schuster, Jens Koch, Alexandre Blais, Andrew A. Houck
Abstract
A promising building block for a fault-tolerant quantum processor is demonstrated: Exponential protection against relaxation and first-order protection against dephasing is achieved in a superconducting qubit.
Topics & Concepts
DephasingQubitRealization (probability)PhysicsSuperconductivityBlock (permutation group theory)Quantum mechanicsQuantumPhase qubitQuantum computerElectrical engineeringElectronic engineeringRelaxation (psychology)Exponential functionWork (physics)Electronic circuitTopology (electrical circuits)Condensed matter physicsComputer scienceQuantum Information and CryptographyQuantum and electron transport phenomenaQuantum Computing Algorithms and Architecture