Modeling Charge Noise in Superconducting Qubits Using Memory Multi-Fractional Brownian Motion
Abstract
We introduce a novel stochastic model for charge noise in superconducting charge qubits based on memory multi-fractional Brownian motion (mmfBm), capable of capturing non-stationary and long-memory effects. This framework reproduces key experimental features of decoherence and offers new insights into environmental interactions with superconducting quantum devices.
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