Is the cosmological "constant" a nonlocal quantum residue of discreteness of the causal set type?

AIP Conference Proceedings

Volumn 957, Issue , 2007, Pages 142-153

  Sorkin, Rafael D ^a,b  

^a PERIMETER INSTITUTE FOR THEORETICAL PHYSICS   (Canada)

^b SYRACUSE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 52549124698     PISSN: 0094243X     EISSN: 15517616     Source Type: Conference Proceeding    
DOI: 10.1063/1.2823750     Document Type: Conference Paper

References (22)

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2. -, "On the Role of Time in the Sum-over-histories Framework for Gravity", paper presented to the conference on The History of Modern Gauge Theories, held Logan, Utah, July 1987, published in Int. J. Theor Phys. 33, 523-534 (1994).
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6. Y. Jack Ng and H. van Dam, "A small but nonzero cosmological constant", Int. J. Mod. Phys D. 10, 49 (2001) hep-th/9911102.
7. Maqbool Ahmed, Scott Dodelson, Patrick Greene and Rafael D. Sorkin, "Everpresent Λ", Phys. Rev. D 69, 103523 (2004), astro-ph/0209274, http://www.physics.syr.edu/~sorkin/some.papers/.
8. Maqbool Ahmed, Doctoral dissertation (Syracuse University, 2006) Maqbool Ahmed and Rafael D. Sorkin, "Everpresent Lambda II: Structural Stability and Better Comparison with Observations" (in preparation)
9. Andrew McKellar, "The problem of possible molecular identification for interstellar lines", Publications of the Astronomical Society of the Pacific 53, 233-235 (1941) http://adsbit.harvard.edu/cgi-bin/nph- iarticle-query?1941PASP⋯53.233M
10. Luca Bombelli, Joohan Lee, David Meyer and Rafael D. Sorkin, "Spacetime as a Causal Set", Phys. Rev. Lett. 59, 521-524 (1987).
11. Rafael D. Sorkin, "Causal Sets: Discrete Gravity (Notes for the Valdivia Summer School)", in Lectures on Quantum Gravity (Series of the Centro De Estudios Científicos), proceedings of the Valdivia Summer School, held January 2002 in Valdivia, Chile, edited by Andrés Gomberoff and Don Marolf (Plenum, 2005) gr-qc/0309009
12. Fay Dowker, "Causal sets and the deep structure of Spacetime", in 100 Years of Relativity - Space-time Structure: Einstein and Beyond" ed Abhay Ashtekar (World Scientific, to appear) gr-qc/0508109.
13. Joe Henson, "The causal set approach to quantum gravity" gr-qc/0601121.
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15. Madhavan Varadarajan and David Rideout, "A general solution for classical sequential growth dynamics of Causal Sets" Phys. Rev. D 73, 104021 (2006) gr-qc/0504066.
16. M. Henneaux and C. Teitelboim, "The Cosmological Constant and General Covariance", Phys. Lett. B 222, 195 (1989)
17. Rafael D. Sorkin, "Big extra dimensions make A too small", in the proceedings of the Second International Workshop "DICE 2004" held September, 2004, Piombino, Italy, edited by Hans-Thomas Elze gr-qc/0503057
18. Brazilian Journal of Physics 35, 280-283 (2005)
19. Joseph Samuel, Supurna Sinha, "Surface Tension and the Cosmological Constant" Phys. Rev. Lett. 97, 161302 (2006), arXiv:cond-mat/0603804
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21. Joe Zuntz, "The CMB in a Causal Set Universe" (in preparation)
22. Rafael D. Sorkin, "Why the Cosmological Constant can't quite vanish", Talk delivered at the Third Eastern Gravity Meeting, held March 1999 at Cornell University, Ithaca, NY.