Ehrenfest's principle and the problem of time in quantum gravity

Nuclear Physics B

Volumn 475, Issue 1-2, 1996, Pages 339-357

  Brotz, T ^a   Kiefer, C ^a  

^a UNIVERSITY OF FREIBURG   (Germany)

Author keywords

Canonical quantisation of gravity; Quantum cosmology

Indexed keywords

EID: 0030576738     PISSN: 05503213     EISSN: None     Source Type: Journal    
DOI: 10.1016/0550-3213(96)00304-5     Document Type: Article

References (21)

1. [1] C.J. Isham, Canonical Quantum Gravity and the Problem of Time, in Integrable Systems, Quantum Groups and Quantum Field Theories (Kluwer Academic Publishers, London, 1992).
2. [2] K.V. Kuchař, Time and Interpretations of Quantum Gravity, in Proceedings of the 4th Conference on General Relativity and Relativistic Astrophysics, eds. G. Kunstatter, D. Vincent and J. Williams (World Scientific, Singapore, 1992).
3. [3] H.D. Zeh, The Physical Basis of The Direction of Time (Springer, Berlin, 1992).
4. [4] K.V. Kuchař, Phys. Rev. D 50 (1994) 3961; J.D. Brown and K.V. Kuchař, Phys. Rev. D 51 (1995) 5600.
5. [4] K.V. Kuchař, Phys. Rev. D 50 (1994) 3961; J.D. Brown and K.V. Kuchař, Phys. Rev. D 51 (1995) 5600.
6. [5] C.G. Torre, Phys. Rev. D 46 (1992) R3231.
7. [6] B.S. DeWitt, Phys. Rev. 160 (1967) 1113.
8. [7] D. Marolf, Class. Quant. Grav. 12 (1995) 1199.
9. [8] C. Kiefer, The Semiclassical Approximation to Quantum Gravity, in Canonical Gravity: From Classical to Quantum, eds. J. Ehlers and H. Friedrich (Springer, Berlin, 1994).
10. [9] D. Marolf, Class. Quant. Grav. 12 (1995) 2469.
11. [10] J. Greensite, Nucl. Phys. B 342 (1990) 409.
12. [11] J. Greensite, Nucl. Phys. B 351 (1991) 749.
13. [12] T. Padmanabhan, Pramana 35 (1990) L199.
14. [13] E.J. Squires, Phys. Lett. A 155 (1991) 357.
15. [14] K.V. Kuchař, Canonical Quantum Gravity, in General Relativity and Gravitation 1992, ed. R.J. Gleiser, C.N. Kozameh and O.M. Moreschi (IOP Publishing, Bristol, 1993).
16. [15] D. Cosandey, Class. Quant. Grav. 12 (1995) 2941.
17. [16] C. Kiefer, Nucl. Phys. B 341 (1990) 273.
18. [17] S.P. Kim, Phys. Lett. A 205 (1995) 359.
19. [18] T. Brotz, Diploma Thesis, Freiburg 1995 (unpublished).
20. [19] Y. Ohkuwa, Semiclassical Time Variables in a Quantum Cosmology with a Massless Scalar Field, preprint MMC-M-7 (1995).
21. [20] D. Giulini and C. Kiefer, Class. Quant. Grav. 12 (1995) 403.