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| related topics |
| {spin, pulse, spins} |
| {classical, space, random} |
| {qubit, qubits, gate} |
| {energy, state, states} |
| {temperature, thermal, energy} |
| {wave, scattering, interference} |
| {time, decoherence, evolution} |
| {time, systems, information} |
| {light, field, probe} |
| {theory, mechanics, state} |
| {key, protocol, security} |
| {observables, space, algebra} |
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|
Meltdown in quantum computers needs not occur: Nuclear experiments show
a way out
J. Flores, S. Yu. Kun, T. H. Seligman
abstract: We show that phase memory can be much longer than energy relaxation in
systems with exponentially large dimensions of Hilbert space; this finding is
documented by fifty years of nuclear experiments, though the information is
somewhat hidden. For quantum computers Hilbert spaces of dimension $2^{100}$ or
larger will be typical and therefore this effect may contribute significantly
to reduce the problems of scaling of quantum computers to a useful number of
qubits.
- oai_identifier:
- oai:arXiv.org:quant-ph/0502050
- categories:
- quant-ph nucl-ex nucl-th
- comments:
- 11 pages, 3 postscript figures (low resolution). Uses scicite.sty
which is included
- arxiv_id:
- quant-ph/0502050
- created:
- 2005-02-08
Full article ▸
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