SciELO - Scientific Electronic Library Online

 
vol.54 issue1Experimental study of a Q-switched ytterbium-doped double-clad fiber laserDrag reduction by microbubble injection in a channel flow author indexsubject indexsearch form
Home Pagealphabetic serial listing  

Services on Demand

Journal

Article

Indicators

Related links

  • Have no similar articlesSimilars in SciELO

Share


Revista mexicana de física

Print version ISSN 0035-001X

Rev. mex. fis. vol.54 n.1 México Feb. 2008

 

Carta

 

Quantum bouncer with quadratic dissipation

 

Gabriel González

 

NanoScience Technology Center, University of Central Florida, Orlando, FL 32826, USA, Department of Physics, University of Central Florida, Orlando, FL 32816–2385, USA, e–mail: ggonzalez@physics. ucf.edu

 

Recibido el 1 de octubre de 2007
Aceptado el 28 de enero de 2008

 

Abstract

The energy loss due to a quadratic velocity–dependent force on a quantum particle bouncing off a perfectly reflecting surface is obtained for a full cycle of motion. We approach this problem by means of a new, effective, phenomenological Hamiltonian which corresponds to the actual energy of the system and obtain the correction to the eigenvalues of the energy in first–order quantum perturbation theory for the case of weak dissipation.

Keywords: Quantum bouncer; dissipative systems; canonical quantization.

 

Resumen

La pérdida de energía debido a una fuerza proporcional al cuadrado de la velocidad se obtiene para el movimiento de una partícula en el campo gravitacional uniforme. Se propone un nuevo Hamiltoniano efectivo para obtener las correciones a los eigenvalores, utilizando la teoría de perturbaciones para el caso de disipacion débil.

Descriptores: Rebotador cuántico; sistemas disipativos; cuantización canónica.

 

PACS: 03.65.–w; 03.65.Sq

 

DESCARGAR ARTÍCULO EN FORMATO PDF

 

References

1. V.V. Nesvizhevsky et al., Nature 415 (2002) 297.        [ Links ]

2. A. Westphal et al., Eur. Phys. J. C 51 367 (2007)–375.        [ Links ]

3. V.V. Nesvizhevsky et al., Eur. Phys. J. C 40 (2005) 479.        [ Links ]

4. C.G. Aminoff et al., Phys. Rev. Lett. 71 (1993)3083.        [ Links ]

5. G. González, Int. J. of Theo. Phys. 43 (2004) 1885.        [ Links ]

6. G. González, Int. J. of Theo. Phys. 46 (2007) 417.        [ Links ]

7. G. González, Int. J. of Theo. Phys. 46 (2007) 486.        [ Links ]

8. G. López and González, Int. J. of Theo. Phys., 43, 1999–2008 (2004).        [ Links ]

9. F. Negro and A. Tartaglia, Phys. Rev. A 23 (1981) 1591.        [ Links ]

10. F. Negro and A. Tartaglia, Phys. Lett. A 77 (1980)        [ Links ]

11. C. Stuckens and D.H. Kobe, Phys. Rev. A 34 (1986) 3565.        [ Links ]

12. J.S. Borges, L.N. Epele, and H. Fanchiotti, Phys. Rev. A 38 (1988) 3101.        [ Links ]

13. M. Razavy, Phys. Rev. A 36 (1987) 482.        [ Links ]

14. Dharmesh Jain, A. Das, and Sayan Kar, Am. J. Phys. 75 (2007)        [ Links ]

15. D.M. Goodmanson, Am J. Phys. 68 (2000) 866.         [ Links ]

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License