Science

Furor over quantum computing claim heats up

Zack Savitsky

Published Mar 27, 2025• 0 citations

Publisher

Abstract

Physicists cast doubt on measurements said to show Microsoft chip uses exotic Majorana quasiparticles.

DOI: 10.1126/science.adx7215

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Science

Furor over quantum computing claim heats up

Zack Savitsky

Published Mar 27, 2025• 0 citations

Publisher

Abstract

Physicists cast doubt on measurements said to show Microsoft chip uses exotic Majorana quasiparticles.

DOI: 10.1126/science.adx7215

Related papers

Fibonacci-Based Parity Readout: The Hidden Math in Microsoft's Majorana 1 Chip — E8 Intelligence Research

Andrew Stewart Caldin

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Oct 9, 20260 citations

B_n

generators

\sigma_i

satisfy

\sigma_i \sigma_{i+1} \sigma_i = \sigma_{i+1} \sigma_i \sigma_{i+1}

and

\sigma_i \sigma_j = \sigma_j \sigma_i

for

|i-j|>1

. Fibonacci anyons: fusion rule

\tau \otimes \tau = 1 \oplus \tau

, quantum dimension

d_\tau = \phi = (1+\sqrt{5})/2 \approx 1.618

. Non-Abelian statistics: unitary braid matrices

U(\sigma_i)

with entries involving

e^{i\pi/5}

\phi^{-1}

\phi^{-1/2}

. Majorana zero modes:

\gamma_i^\dagger = \gamma_i

\{\gamma_i, \gamma_j\} = 2\delta_{ij}

, parity

P = i^k \prod \gamma_i

. Topological protection: energy gap

\Delta

vs. error rate

\sim e^{-\Delta/k_B T}

. | CONNECTION: Fibonacci anyons directly enc Author: Andrew Stewart Caldin, Independent Researcher, UK. Part of the E8 Intelligence Research series. Platform: e8intelligence.com