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期刊论文
Emulating Anyonic Fractional Statistical Behavior in a Superconducting Quantum Circuit
Phys. Rev. Lett.,2016,117(11):110501 | 2016年09月07日 | https://doi.org/10.1103/PhysRevLett.117.110501
Anyons are exotic quasiparticles obeying fractional statistics, whose behavior can be emulated in artificially designed spin systems. Here we present an experimental emulation of creating anyonic excitations in a superconducting circuit that consists of four qubits, achieved by dynamically generating the ground and excited states of the toric code model, i.e., four-qubit Greenberger-Horne-Zeilinger states. The anyonic braiding is implemented via single-qubit rotations: a phase shift of π related to braiding, the hallmark of Abelian 1/2 anyons, has been observed through a Ramsey-type interference measurement.
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