Large quantum gravity effects and nonlocal variables

被引:12
作者
Dominguez, AE [1 ]
Tiglio, MH [1 ]
机构
[1] Univ Nacl Cordoba, Fac Matemat Astron & Fis, RA-5000 Cordoba, Argentina
来源
PHYSICAL REVIEW D | 1999年 / 60卷 / 06期
关键词
D O I
10.1103/PhysRevD.60.064001
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We reconsider here the model where large quantum gravity effects were first found, but now in its null surface formulation (NSF). We find that although the set of coherent states for Z, the basic variable of NSF, is as restricted as is the one for the metric, while some type of small deviations from these states may cause huge fluctuations on the metric, the corresponding fluctuations on Z remain small. [S0556-2821(99)02916-1].
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页数:4
相关论文
共 19 条
[1]   Probing quantum gravity through exactly soluble midi-superspaces .1. [J].
Ashtekar, A ;
Pierri, M .
JOURNAL OF MATHEMATICAL PHYSICS, 1996, 37 (12) :6250-6270
[2]   Asymptotic structure of symmetry-reduced general relativity [J].
Ashtekar, A ;
Bicak, J ;
Schmidt, BG .
PHYSICAL REVIEW D, 1997, 55 (02) :669-686
[3]   Large quantum gravity effects: Unforeseen limitations of the classical theory [J].
Ashtekar, A .
PHYSICAL REVIEW LETTERS, 1996, 77 (24) :4864-4867
[4]   STRIKING PROPERTY OF THE GRAVITATIONAL HAMILTONIAN [J].
ASHTEKAR, A ;
VARADARAJAN, M .
PHYSICAL REVIEW D, 1994, 50 (08) :4944-4956
[5]  
Beetle C, 1998, ADV THEOR MATH PHYS, V2, P471
[6]  
CUTLER C, 1990, TWISTORS MATH PHYSIC
[7]   ON THE DYNAMICS OF CHARACTERISTIC SURFACES [J].
FRITTELLI, S ;
NEWMAN, ET ;
KOZAMEH, CN .
JOURNAL OF MATHEMATICAL PHYSICS, 1995, 36 (11) :6397-6416
[8]   Dynamics of light cone cuts of null infinity [J].
Frittelli, S ;
Kozameh, C ;
Newman, ET .
PHYSICAL REVIEW D, 1997, 56 (08) :4729-4744
[9]   GR VIA CHARACTERISTIC SURFACES [J].
FRITTELLI, S ;
KOZAMEH, C ;
NEWMAN, ET .
JOURNAL OF MATHEMATICAL PHYSICS, 1995, 36 (09) :4984-5004
[10]   Quantization of the null-surface formulation of general relativity [J].
Frittelli, S ;
Kozameh, CN ;
Newman, ET ;
Rovelli, C ;
Tate, RS .
PHYSICAL REVIEW D, 1997, 56 (02) :889-907