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Suppression of quantum oscillations and the dependence on site energies in electronic excitation transfer in the Fenna-Matthews-Olson trimer
G. Ritschel, J. Roden, W. T. Strunz +2
Energy transfer in the photosynthetic complex of the Green Sulfur Bacteria known as the Fenna-Matthews-Olson (FMO) complex is studied theoretically taking all three subunits (monom…
Digital Quantum Simulation of the Statistical Mechanics of a Frustrated Magnet
Jingfu Zhang, Man-Hong Yung, Raymond Laflamme +2
Many interesting problems in physics, chemistry, and computer science are equivalent to problems of interacting spins. However, most of these problems require computational resourc…
Quantum Computing Without Wavefunctions: Time-Dependent Density Functional Theory for Universal Quantum Computation
David G. Tempel, Alan Aspuru-Guzik
We prove that the theorems of TDDFT can be applied to a class of qubit Hamiltonians that are universal for quantum computation. The theorems of TDDFT applied to universal Hamiltoni…
Solving Quantum Ground-State Problems with Nuclear Magnetic Resonance
Zhaokai Li, Man-Hong Yung, Hongwei Chen +5
Quantum ground-state problems are computationally hard problems; for general many-body Hamiltonians, there is no classical or quantum algorithm known to be able to solve them effic…
Quantum simulator of an open quantum system using superconducting qubits: exciton transport in photosynthetic complexes
Sarah Mostame, Patrick Rebentrost, Alexander Eisfeld +3
Open quantum system approaches are widely used in the description of physical, chemical and biological systems. A famous example is electronic excitation transfer in the initial st…
Quantum process tomography of molecular dimers from two-dimensional electronic spectroscopy I: General theory and application to homodimers
Joel Yuen-Zhou, Alán Aspuru-Guzik
Is it possible to infer the time evolving quantum state of a multichromophoric system from a sequence of two-dimensional electronic spectra (2D-ES) as a function of waiting time? H…