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Abstract:

In a recent paper [Phys. Rev. A 95, 052118 (2017)2469-992610.1103/PhysRevA.95.052118], the authors claim that our criticism, in Phys. Rev. A 94, 052125 (2016)2469-992610.1103/PhysRevA.94.052125, to some quantum speed limit bounds for open quantum dynamics that appeared recently in literature are invalid. According to the authors, the problem with our analysis would be generated by an artifact of the finite-precision numerical calculations. We analytically show here that it is not possible to have any inconsistency associated with the numerical precision of calculations. Therefore, our criticism of the quantum speed limit bounds continues to be valid. ©2018 American Physical Society.

Registro:

Documento: Artículo
Título:Comment on "modified quantum-speed-limit bounds for open quantum dynamics in quantum channels"
Autor:Mirkin, N.; Toscano, F.; Wisniacki, D.A.
Filiación:Departamento de Física J. J. Giambiagi, FCEyN, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Instituto de Física, Universidade Federal Do Rio de Janeiro, Caixa Postal 68528, Rio de Janeiro, Rio de Janeiro, 21941-972, Brazil
Departamento de Física J. J. Giambiagi, IFIBA, FCEyN, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Palabras clave:Dynamics; Finite precision; Numerical calculation; Numerical precision; Quantum channel; Quantum dynamics; Speed limit; Quantum theory
Año:2018
Volumen:97
Número:4
DOI: http://dx.doi.org/10.1103/PhysRevA.97.046101
Título revista:Physical Review A
Título revista abreviado:Phys. Rev. A
ISSN:24699926
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699926_v97_n4_p_Mirkin

Referencias:

  • Mirkin, N., Toscano, F., Wisniacki, D.A., (2016) Phys. Rev. A, 94, p. 052125
  • Deffner, S., Lutz, E., (2013) Phys. Rev. Lett., 111, p. 010402
  • Jing, J., Wu, L.-A., Del Campo, A., (2016) Sci. Rep., 6, p. 38149
  • Liu, X., Wu, W., Wang, C., (2017) Phys. Rev. A, 95, p. 052118
  • Braunstein, S., Caves, C., Milburn, G., (1996) Ann. Phys., 247, p. 135
  • Taddei, M.M., Escher, B.M., Davidovich, L., Dematos Filho, R.L., (2013) Phys. Rev. Lett., 110, p. 050402

Citas:

---------- APA ----------
Mirkin, N., Toscano, F. & Wisniacki, D.A. (2018) . Comment on "modified quantum-speed-limit bounds for open quantum dynamics in quantum channels". Physical Review A, 97(4).
http://dx.doi.org/10.1103/PhysRevA.97.046101
---------- CHICAGO ----------
Mirkin, N., Toscano, F., Wisniacki, D.A. "Comment on "modified quantum-speed-limit bounds for open quantum dynamics in quantum channels"" . Physical Review A 97, no. 4 (2018).
http://dx.doi.org/10.1103/PhysRevA.97.046101
---------- MLA ----------
Mirkin, N., Toscano, F., Wisniacki, D.A. "Comment on "modified quantum-speed-limit bounds for open quantum dynamics in quantum channels"" . Physical Review A, vol. 97, no. 4, 2018.
http://dx.doi.org/10.1103/PhysRevA.97.046101
---------- VANCOUVER ----------
Mirkin, N., Toscano, F., Wisniacki, D.A. Comment on "modified quantum-speed-limit bounds for open quantum dynamics in quantum channels". Phys. Rev. A. 2018;97(4).
http://dx.doi.org/10.1103/PhysRevA.97.046101