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15 papers · 2 filters
Dissipative Dynamics with Trapping in Dimers
Oliver Muelken, Lothar Muehlbacher, Tobias Schmid +1
The trapping of excitations in systems coupled to an environment allows to study the quantum to classical crossover by different means. We show how to combine the phenomenological…
Efficient and coherent excitation transfer across disordered molecular networks
Torsten Scholak, Fernando de Melo, Thomas Wellens +2
We show that finite-size, disordered molecular networks can mediate highly efficient, coherent excitation transfer which is robust against ambient dephasing and associated with str…
Detection of high-dimensional genuine multi-partite entanglement of mixed states
Marcus Huber, Florian Mintert, Andreas Gabriel +1
We derive a general framework to identify genuinely multipartite entangled mixed quantum states in arbitrary-dimensional systems and show in exemplary cases that the constructed cr…
Optimal dynamical control of many-body entanglement
Felix Platzer, Florian Mintert, Andreas Buchleitner
The preparation of highly entangled many-body systems is one of the central challenges of both basic and applied science. The complexity of interparticle interaction and environmen…
Equation of motion for entanglement
Markus Tiersch, Fernando de Melo, Thomas Konrad +1
We review an evolution equation for quantum entanglement for 2x2 dimensional quantum systems, the smallest system that can exhibit entanglement, and extend it to higher dimensional…
Directed quantum communication
Johan Aberg, Stefan Hengl, Renato Renner
We raise the question whether there is a way to characterize the quantum information transport properties of a medium or material. For this analysis the special features of quantum…