|
| related topics |
| {classical, space, random} |
| {time, wave, function} |
| {wave, scattering, interference} |
| {energy, state, states} |
| {algorithm, log, probability} |
| {light, field, probe} |
| {state, algorithm, problem} |
| {time, systems, information} |
| {information, entropy, channel} |
| {cos, sin, state} |
|
Fractal Noise in Quantum Ballistic and Diffusive Lattice Systems
E. J. Amanatidis, D. E. Katsanos, S. N. Evangelou
abstract: We demonstrate fractal noise in the quantum evolution of wave packets moving
either ballistically or diffusively in periodic and quasiperiodic tight-binding
lattices, respectively. For the ballistic case with various initial
superpositions we obtain a space-time self-affine fractal $\Psi(x,t)$ which
verify the predictions by Berry for "a particle in a box", in addition to
quantum revivals. For the diffusive case self-similar fractal evolution is also
obtained. These universal fractal features of quantum theory might be useful in
the field of quantum information, for creating efficient quantum algorithms,
and can possibly be detectable in scattering from nanostructures.
- oai_identifier:
- oai:arXiv.org:quant-ph/0310125
- categories:
- quant-ph cond-mat.mes-hall
- comments:
- 9 pages, 8 postscript figures
- doi:
- 10.1103/PhysRevB.69.195107
- arxiv_id:
- quant-ph/0310125
- created:
- 2003-10-20
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