Artículo
Wisniacki, D.A. "Short-time decay of the Loschmidt echo" (2003) Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. 67(1):6
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Abstract:
The Loschmidt echo measures the sensitivity to perturbations of quantum evolutions. We study its short-time decay in classically chaotic systems. Using perturbation theory and throwing out all correlation imposed by the initial state and the perturbation, we show that the characteristic time of this regime is well described by the inverse of the width of the local density of states. This result is illustrated and discussed in a numerical study in a two-dimensional chaotic billiard system perturbed by various contour deformations and using different types of initial conditions. Moreover, the influence to the short-time decay of sub-Planck structures developed by time evolution is also investigated. © 2003 The American Physical Society.
Registro:
| Documento: | Artículo |
| Título: | Short-time decay of the Loschmidt echo |
| Autor: | Wisniacki, D.A. |
| Filiación: | Departamento de Física, #x201C;J. J. Giambiagi,” FCEN, UBA, Ciudad Universitaria, Pabellón 1, Buenos Aires, 1428, Argentina |
| Año: | 2003 |
| Volumen: | 67 |
| Número: | 1 |
| Página de inicio: | 6 |
| DOI: | http://dx.doi.org/10.1103/PhysRevE.67.016205 |
| Título revista: | Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics |
| Título revista abreviado: | Phys Rev E. |
| ISSN: | 1063651X |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1063651X_v67_n1_p6_Wisniacki |
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Citas:
---------- APA ----------
(2003) . Short-time decay of the Loschmidt echo. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 67(1), 6.http://dx.doi.org/10.1103/PhysRevE.67.016205
---------- CHICAGO ----------
Wisniacki, D.A. "Short-time decay of the Loschmidt echo" . Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics 67, no. 1 (2003) : 6.http://dx.doi.org/10.1103/PhysRevE.67.016205
---------- MLA ----------
Wisniacki, D.A. "Short-time decay of the Loschmidt echo" . Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, vol. 67, no. 1, 2003, pp. 6.http://dx.doi.org/10.1103/PhysRevE.67.016205
---------- VANCOUVER ----------
Wisniacki, D.A. Short-time decay of the Loschmidt echo. Phys Rev E. 2003;67(1):6.http://dx.doi.org/10.1103/PhysRevE.67.016205
