In driven XXZ Heisenberg spin chains, the Chern number increases with chain length and is tunable by anisotropy, yielding a topological frequency converter with arbitrarily large quantized conversion ratio.
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Simulations demonstrate that Krotov optimal control can achieve gate fidelities ≳0.9 in noisy static exchange-coupled surface qubits by adapting to specific noise sources, outperforming standard Rabi driving.
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Universal Topological Power Transfer with Arbitrarily Large Chern Number in Driven Quantum Spin Chains
In driven XXZ Heisenberg spin chains, the Chern number increases with chain length and is tunable by anisotropy, yielding a topological frequency converter with arbitrarily large quantized conversion ratio.
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Overcoming limitations on gate fidelity in noisy static exchange-coupled surface qubits
Simulations demonstrate that Krotov optimal control can achieve gate fidelities ≳0.9 in noisy static exchange-coupled surface qubits by adapting to specific noise sources, outperforming standard Rabi driving.