7 citations · 22 across the 7 of their papers we have counts for
4 papers · 2 filters
Speed-up and entanglement in quantum searching
Samuel L. Braunstein, Arun K. Pati
We investigate the issue of speed-up and the necessity of entanglement in Grover's quantum search algorithm. We find that in a pure state implementation of Grover's algorithm entan…
Quantum no-deleting principle and some of its implications
Arun K. Pati, Samuel L. Braunstein
Unmeasureability of a quantum state has important consequences in practical implementation of quantum computers. Like copying, deleting of an unknown state from among several copie…
Entropy decrease in Quantum Zeno Effect
Arun K. Pati
If a measurement process is regarded as an irreversible process, then by Second law of thermodynamics the entropy should increase after any measurement process. By the same spirit…
Quantum searching with continuous variables
Arun K. Pati, Samuel L. Braunstein, Seth Lloyd
A fast quantum search algorithm for continuous variables is presented. The result is the quantum continuous variable analog of Grover's algorithm originally proposed for qubits. A…