The colored metals correspond to the circuit components in the schematic shown in (b). (a) False-colored optical image of the fluxonium processor made of aluminum (colored and white) on a silicon substrate (black). Thus our work, within the realm of superconducting qubits, reveals an alternative qubit platform that is competitive with the transmon system. This performance is comparable to the highest values reported in the literature of superconducting circuits. With simple and fast gate schemes, we achieve an average single-qubit gate fidelity of 99.97% and a two-qubit gate fidelity of up to 99.72%. Here, we engineer a fluxonium-based quantum processor that integrates high qubit coherence, fast frequency tunability, and individual-qubit addressability for reset, readout, and gates. Among them, fluxonium is a particularly promising candidate, featuring large anharmonicity and long coherence times. Consequently, alternative superconducting qubits with better error protection have attracted increasing interest.
However, fault-tolerant quantum computing calls for qubit operations at error rates significantly lower than those exhibited in the state of the art. The simple and robust transmon qubit has been the leading platform, achieving multiple milestones. doi:10.Superconducting qubits provide a promising path toward building large-scale quantum computers. Burbidge, The Astrophysical Journal, Vol. Turyshevet, “Study of the Anomalous Acceleration of Pioneer 10 and 11,” 2005, arXiv:gr-qc/ 0104064. Arp, “Quasars Redshifts and Controversies,” Cambridge University Press, Cambridge, 1989. Westphal, The Astrophysical Journal, Vol. Stromgren, The Astrophysical Journal, Vol. Lamb Jr., Reviews of Modern Physics, Vol. Nelson, Journal of Chemical Physics, Vol. Planck, Deutsche Physikalische Gesellschaft, Vol. Einstein, Physikalische Zeitschrift, Vol. Obtained without any change in theories of standard spectroscopy. Solar wind, explains the “anomalous acceleration” of Pioneer probes. Of microwaves crossing H* resulting, between 10 and 15 AU, of the expansion of Star light, which amplifies the superradiant emission of the rings. With the extinction of the star is due to a multiphoton coherent scattering of The coincidence of the ignition of the rings of SNR1987A Only the limbs of Stromgren spheres are visible as circles maybe punctuated byĪn even number of dots: Too numerous, the figures assigned to gravitational Matter, celestial mechanics provides a reliable distance of spiral galaxies.Ĭoherence also introduces superradiance and mode competition that explain that The need for dark matter comes from theĮxaggeration of the distance, therefore the size of galaxies. The periodicity of galaxy redshifts introduce an experimental “Karlsson’sĬonstant” exactly computed by ISRS. The interpretation of spectra of quasars,
Local exaggerated distances create voids in the Thus, the distance of the hot stars, surrounded by much H*, is exaggeratedīy the use of Hubble’s law. Raman Scattering (ISRS) redshifts gradually light pulses which cross excitedĪtomic hydrogen H*, so that the redshift is a measure of the column density of Questionable supplements (dark matter, MOND, etc.). Of universe, a simpler and more powerful tool than the big bang which requires
(Einstein 1917) founds the theory of gas lasers. The coherence of the interaction of light with a collisionless gas
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