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Computational Complexity in Electronic Structure
James D. Whitfield, Peter J. Love, Alan Aspuru-Guzik
In quantum chemistry, the price paid by all known efficient model chemistries is either the truncation of the Hilbert space or uncontrolled approximations. Theoretical computer sci…
Demon-like Algorithmic Quantum Cooling and its Realization with Quantum Optics
Jin-Shi Xu, Man-Hong Yung, Xiao-Ye Xu +5
The simulation of low-temperature properties of many-body systems remains one of the major challenges in theoretical and experimental quantum information science. We present, and d…
Compressed sensing for multidimensional electronic spectroscopy experiments
J. N. Sanders, S. Mostame, S. K. Saikin +4
Compressed sensing is a processing method that significantly reduces the number of measurements needed to accurately resolve signals in many fields of science and engineering. We d…
Memory-assisted exciton diffusion in the chlorosome light-harvesting antenna of green sulfur bacteria
Takatoshi Fujita, Jennifer C. Brookes, Semion K. Saikin +1
Chlorosomes are likely the largest and most efficient natural light-harvesting photosynthetic antenna systems. They are composed of large numbers of bacteriochlorophylls organized…
Finding low-energy conformations of lattice protein models by quantum annealing
Alejandro Perdomo-Ortiz, Neil Dickson, Marshall Drew-Brook +2
Lattice protein folding models are a cornerstone of computational biophysics. Although these models are a coarse grained representation, they provide useful insight into the energy…
Unification of witnessing initial system-environment correlations and witnessing non-Markovianity
César A. Rodríguez-Rosario, Kavan Modi, Laura Mazzola +1
We show the connection between a witness that detects dynamical maps with initial system-environment correlations and a witness that detects non-Markovian open quantum systems. Our…