Article

# Fast Incomplete Decoherence of Nuclear Spins in Quantum Hall Ferromagnet

11/2000; DOI:doi:10.1103/PhysRevB.64.193306
Source: arXiv

ABSTRACT A scenario of quantum computing process based on the manipulation of a large number of nuclear spins in Quantum Hall (QH) ferromagnet is presented. It is found that vacuum quantum fluctuations in the QH ferromagnetic ground state at filling factor $\nu =1$, associated with the virtual excitations of spin waves, lead to fast incomplete decoherence of the nuclear spins. A fundamental upper bound on the length of the computer memory is set by this fluctuation effect.

0 0
·
0 Bookmarks
·
15 Views

Available from
31 Jan 2013

### Keywords

computer memory

fast incomplete decoherence

fluctuation effect

fundamental upper

quantum

Quantum Hall

vacuum quantum fluctuations

virtual excitations