A Small cosmological constant from a large extra dimension

By N. Arkani-Hamed, S. Dimopoulos, N. Kaloper, R. Sundrum. 2000

368 citations recorded by the source corpus.

We propose a new approach to the Cosmological Constant Problem which makes essential use of an extra dimension. A model is presented in which the Standard Model vacuum energy “warps” the higher-dimensional spacetime while preserving 4D flatness. We argue that the strong curvature region of our solutions may effectively cut off the size of the extra dimension, thereby giving rise to macroscopic 4D gravity without a cosmological constant. In our model, the higher-dimensional gravity dynamics is treated classically with carefully chosen couplings. Our treatment of the Standard Model is however fully quantum field-theoretic, and the 4D flatness of our solutions is robust against Standard Model quantum loops and changes to Standard Model couplings.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics, Statistical and Nonlinear Physics

View Paper: https://www.semanticscholar.org/paper/86c2b498f5a9b1f8cc564613c1f4f60b77942a09

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Astronomy and Astrophysics

1. J. Polchinski
2. J. Maldacena
3. E. Witten
4. F. Quevedo
5. D. Harlow
6. C. Burgess
7. S. Gubser
8. E. Silverstein

In Nuclear and High Energy Physics

1. J. Maldacena
2. F. Quevedo
3. E. Witten
4. J. Polchinski
5. D. Harlow
6. E. Silverstein
7. C. Burgess
8. S. Gubser

In Statistical and Nonlinear Physics

1. E. Witten
2. D. Harlow
3. J. Maldacena
4. J. Polchinski
5. D. Stanford
6. S. Raju
7. V. Hubeny
8. F. Quevedo

Citations in the corpus

• The Cosmological Constant Problem: Why it's hard to get Dark Energy from Micro-physics (2013, background): “ F N P 1 2 2 6 4 e ˚F PQ F PQ 2e2 6 2 6 e˚ g MN = PQ2 6 T 1 4 g MN g T PQ PQ˚+ 2 6 4 e ˚F PQ F 2e2 6 2 6 e˚ = 2 6 J; (2.22) 26A precursor to this phenomenon also occurs in 5D models [39], where back-reaction can also be computed. In this case closer inspection [40] showed that the at solution ”
• Quantization of four-form fluxes and dynamical neutralization of the cosmological constant (2000, background): “A third m echanism isthe existence of naked singularitiesin com pacti ed dim ensions[8,9],wheretheundeterm ined boundaryconditionsatthesingularitybecom eavariationofthee ectivefour dim ensionalLagrangian.”
• Curvature Singularities: the Good, the Bad, and the Naked (2000, background): “In [80], an intuitive picture of a “mechanism” by which the four-dimensional cosmological constant could be tuned to zero was presented in terms of a conserved current associated with the shift symmetry φ→ φ+ δφ which.”
• Warped brane worlds in six dimensional supergravity (2003, background): “But given that classical scale invariance is the central property required, we believe the dilaton/brane coupling conditions (λ3 = 0 for 3-branes and λ4 = −ζ4 = 1 2 for 4-branes) are the ones which are important for the self-tuning mechanism (as was also true in the original self-tuning solutions of”
• Thick domain walls and singular spaces (2000, background): “Another way of dealing with the violations of various conservation laws in the fourdimensional theory is to impose unitary boundary conditions [23].”
• The Cosmological Constant from the Viewpoint of String Theory (2000, background): “So the singularities encountered in [18,19] may well not have any sensible physical interpretation at all, especially in cases in which (as described in the second paper in [19]) the singular solution has a modulus that controls the four-dimensional cosmological constant.”
• Supergravity description of field theories on curved manifolds and a no go theorem (2000, background): “(9)The same comment applies to the statement in [56] that their compactifications have no de-Sitter or Anti-de-Sitter solutions.”