Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2002-01-03
Phys. Rev. A 66, R010301 (2002)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
3 pages, 1 figure
Scientific paper
10.1103/PhysRevA.66.010301
Quantum computation in molecular magnets is studied by solving the time-dependent Schr\"{o}dinger equation numerically. Following Leuenberger and Loss (Nature (London) 410, 789(2001)), an external oscillating magnetic field is applied to populate and manipulate the spin coherent states in molecular magnet Mn$_{12}$. The conditions to realize parallel recording and reading data bases of Grover algorithsm in molecular magnets are discussed in details. It is found that an accurate duration time of magnetic pulse as well as the amplitudes are required to design the device of quantum computing.
Liang Jiu--Qing
Shen Shun-Qing
Tao Ruibao
Zhou Baoguo
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