Entanglement Computation in Atoms and Molecules

Entanglement Computation in Atoms and Molecules

In this paper, a method for computing entanglement of electrons in atoms and molecules is described. The importance of entanglement computation for Quantum Computers and for Biology is highlighted and the existing models’ pros and cons are illustrated. A description of the algorithms follows, with some considerations about the execution times and how they scale increasing the system’s Hilbert s...

Atoms and Molecules

An atom is a system formed by a pack of electrically charged particles Q called nucleus and N identical particles of charge q − . Molecules are systems with several nuclei which may not necessarily be identical . In almost all matter, the nuclei are conglomerates of neutrons and protons and the N remaining particles are electrons. Other atomic systems will be described in the exotic atoms section.

Entanglement and Quantum Computation

The phenomenon of quantum entanglement is perhaps the most enigmatic feature of the formalism of quantum theory. It underlies many of the most curious and controversial aspects of the quantum mechanical description of the world. In [1] Penrose gives a delightful and accessible account of entanglement illustrated by some of its extraordinary manifestations. Many of the best known features depend...

Molecules, Atoms, and Nuclei

Entanglement and Adiabatic Quantum Computation

Adiabatic quantum computation provides an alternative approach to quantum computation using a time-dependent Hamiltonian. The time evolution of entanglement during the adiabatic quantum search algorithm is studied, and its relevance as a resource is discussed. PACS Nos.: 03.67.-a, 03.67.Lx, and 03.67.Mn