2024
Subspace-Search Quantum Imaginary Time Evolution for Excited State Computations
Cianci C, Santos L, Batista V. Subspace-Search Quantum Imaginary Time Evolution for Excited State Computations. Journal Of Chemical Theory And Computation 2024, 20: 8940-8947. PMID: 39352769, DOI: 10.1021/acs.jctc.4c00915.Peer-Reviewed Original ResearchNoisy intermediate-scale quantumQuantum imaginary time evolutionImaginary time evolutionExcited statesQuantum (NISQStudy of excited statesComputation of excited statesLow-lying excited statesTime evolutionVariational quantum imaginary time evolutionCalculation of low-lying excited statesExcited state computationsQuantum systemsSmall molecular systemsVariational quantumLiH moleculeQuantum devicesGround stateQuantum computationQuantumMolecular systemsState algorithmState computationsLocal minimaVariational algorithm
2020
Efficient Multiphoton Sampling of Molecular Vibronic Spectra on a Superconducting Bosonic Processor
Wang C, Curtis J, Lester B, Zhang Y, Gao Y, Freeze J, Batista V, Vaccaro P, Chuang I, Frunzio L, Jiang L, Girvin S, Schoelkopf R. Efficient Multiphoton Sampling of Molecular Vibronic Spectra on a Superconducting Bosonic Processor. Physical Review X 2020, 10: 021060. DOI: 10.1103/physrevx.10.021060.Peer-Reviewed Original ResearchMolecular vibronic spectraMultiphoton quantum statesVibronic spectraLinear optical systemsVibrational excited statesOptical photonsKerr interactionPhoton numberQuantum statesSuperconducting architecturesQuantum systemsOptical systemExcited statesQuantum machineBosonic systemsSuperconducting devicesGaussian operationsPhotoelectron processesInput statesMolecular ensemblesBosonic structurePhotonsPromising platformSpectraEfficient preparation