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Quantum simulation dynamics and circuit synthesis of FMO complex on an NMR quantum computer

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arxiv 1901.03118 v3 pith:5J7ASORK submitted 2019-01-10 quant-ph

classification quant-ph
keywords quantumdynamicssimulationcomplexcomputeropensystemapply
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Recently, the dynamics simulation of light-harvesting complexes as an open quantum system, in the weak and strong coupling regimes, has received much attention. In this paper, we investigate a digital quantum simulation approach of the Fenna-Matthews-Olson (FMO) photosynthetic pigment-protein complex surrounded with a Markovian bath, i.e., memoryless, based on a nuclear magnetic resonance (NMR) quantum computer. For this purpose, we apply the decoupling(recoupling) method, which is turn off(on) the couplings and also Solovay-Kitaev techniques to decompose Hamiltonian and Lindbladians into efficient elementary gates on an NMR simulator. Finally, we design the quantum circuits for the unitary and non-unitary part due to the system-environment interactions of the open system dynamics.

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