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001034214 0247_ $$2doi$$a10.1103/PhysRevApplied.22.064030
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001034214 245__ $$aLattice Hamiltonians and stray interactions within quantum processors
001034214 260__ $$aCollege Park, Md. [u.a.]$$bAmerican Physical Society$$c2024
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001034214 520__ $$aDeveloping Hamiltonian models for quantum processors with many qubits on the same chip is crucial for advancing quantum computing technologies. Stray couplings between qubits lead to errors in gate operations. This study underscores the importance of incorporating lattice Hamiltonians into quantum circuit design. By comparing many-body effects with two-body stray couplings, we show how adjusting circuit parameters can increase two-qubit-gate fidelity. We find that loosely decoupled qubits result in weaker stray interactions and higher gate fidelity, challenging conventional assumptions. We investigate the scenario where three-body 
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001034214 536__ $$0G:(DE-HGF)POF4-5221$$a5221 - Advanced Solid-State Qubits and Qubit Systems (POF4-522)$$cPOF4-522$$fPOF IV$$x1
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001034214 536__ $$0G:(BMBF)13N15685$$aVerbundprojekt: German Quantum Computer based on Superconducting Qubits (GEQCOS) - Teilvorhaben: Charakterisierung, Kontrolle und Auslese (13N15685)$$c13N15685$$x3
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001034214 7001_ $$0P:(DE-HGF)0$$aManabputra$$b1
001034214 7001_ $$0P:(DE-HGF)0$$aVignes, Chloé$$b2
001034214 7001_ $$0P:(DE-Juel1)171686$$aAnsari, Mohammad H.$$b3$$eCorresponding author
001034214 7001_ $$0P:(DE-HGF)0$$aMartinis, John M.$$b4$$eCorresponding author
001034214 773__ $$0PERI:(DE-600)2760310-6$$a10.1103/PhysRevApplied.22.064030$$gVol. 22, no. 6, p. 064030$$n6$$p064030$$tPhysical review applied$$v22$$x2331-7019$$y2024
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