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97 papers · 1 filter
Increasing the Hardness of Posiform Planting Using Random QUBOs for Programmable Quantum Annealer Benchmarking
Elijah Pelofske, Georg Hahn, Hristo Djidjev
Posiform planting is a method for constructing QUBO problems with a single unique planted solution that can be tailored to arbitrary connectivity graphs. In this study we investiga…
Motional state analysis of a trapped ion by ultra-narrowband composite pulses
Marion Mallweger, Milena Guevara-Bertsch, Boyan T. Torosov +7
In this work, we present a method for measuring the motional state of a two-level system coupled to a harmonic oscillator. Our technique uses ultra-narrowband composite pulses on t…
Posiform Planting: Generating QUBO Instances for Benchmarking
Georg Hahn, Elijah Pelofske, Hristo N. Djidjev
We are interested in benchmarking both quantum annealing and classical algorithms for minimizing Quadratic Unconstrained Binary Optimization (QUBO) problems. Such problems are NP-h…
Initial State Encoding via Reverse Quantum Annealing and h-gain Features
Elijah Pelofske, Georg Hahn, Hristo Djidjev
Quantum annealing is a specialized type of quantum computation that aims to use quantum fluctuations in order to obtain global minimum solutions of combinatorial optimization probl…
Noise Dynamics of Quantum Annealers: Estimating the Effective Noise Using Idle Qubits
Elijah Pelofske, Georg Hahn, Hristo N. Djidjev
Quantum annealing is a type of analog computation that aims to use quantum mechanical fluctuations in search of optimal solutions of QUBO (quadratic unconstrained binary optimizati…
Extension of the Morris-Shore transformation to arbitrary time-dependent driving fields
K. N. Zlatanov, A. A. Rangelov, N. V. Vitanov
The treatment of time-dependent dynamics of quantum systems involving multiple states poses considerable technical challenges. One of the most efficient approaches in treating such…