5 papers · 1 filter
Adiabatic preparation of many-body quantum states: getting the beginning and ending right
Emil T. M. Pedersen, Freek Witteveen, Klaus Mølmer +1
We present numerical calculations, and simulations performed on a Rydberg atom quantum simulator, of the adiabatic evolution of many-body quantum systems around a quantum phase tra…
Optimal Control for Rydberg multi-qubit operations
Hossein Abedi, Mohammadsadegh Khazali, Klaus Mølmer
Quantum computing algorithms can be decomposed into a universal set of elementary one- and two-qubit gates. Different physical implementations of quantum computing, however, employ…
State-Based Quantum Simulation: Releasing the Powers of Quantum States and Copies
S. Alipour, A. T. Rezakhani, Alireza Tavanfar +2
Quantum computing employs controllable interactions to perform sequences of logical gates and entire algorithms on quantum registers. This paradigm has been widely explored, e.g.,…
Deterministic carving of quantum states with Grover's algorithm
Omar Nagib, M. Saffman, K. Mølmer
We show that iteration of a few ( ) unitary steps of Grover's algorithm suffices to perfectly prepare a Dicke state of atoms in a cavity. We also show that a few…
Efficient preparation of entangled states in cavity QED with Grover's algorithm
Omar Nagib, M. Saffman, K. Mølmer
We propose to employ the amplification mechanism of Grover's search algorithm to efficiently prepare entangled states of an ensemble of qubits. The conditional change of sign emplo…