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TWILIGHT FOR THE ENERGY CONDITIONS?
Open accessAbstract
The tension, if not outright inconsistency, between quantum physics and general relativity is one of the great problems facing physics at the turn of the millennium. Most often, the problems arising in merging Einstein gravity and quantum physics are viewed as Planck scale issues (10 19 GeV , 10-34 m , 10-45 s ), and so safely beyond the reach of experiment. However, over the last few years it has become increasingly obvious that the difficulties are more widespread: There are already serious problems of deep and fundamental principle at the semi-classical level, and worse, certain classical systems (inspired by quantum physics, but in no sense quantum themselves) exhibit seriously pathological behaviour. One manifestation of these pathologies is in the so-called "energy conditions" of general relativity. Patching things up in the gravity sector opens gaping holes elsewhere; and some "fixes" are more radical than the problems they are supposed to cure.
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Citations
Cited by
Energy conditions in general relativity and quantum field theory
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Fundamental limitations on ‘warp drive’ spacetimes
Lobo, F. S. N., & Visser, M. (2004) · Classical and Quantum Gravity · doi:10.1088/0264-9381/21/24/011 · Cited by 117
Self-citationThe generalized second law implies a quantum singularity theorem
Wall, A. C. (2013) · Classical and Quantum Gravity · doi:10.1088/0264-9381/30/16/165003 · Cited by 106
Semiclassical energy conditions for quantum vacuum states
Martín-Moruno, P., & Visser, M. (2013) · Journal of High Energy Physics · doi:10.1007/jhep09(2013)050 · Cited by 72
Self-citationClassical and quantum flux energy conditions for quantum vacuum states
Martín-Moruno, P., & Visser, M. (2013) · Physical Review D · doi:10.1103/physrevd.88.061701 · Cited by 61
Self-citationSingularity theorems from weakened energy conditions
Fewster, C. J., & Galloway, G. J. (2011) · Classical and Quantum Gravity · doi:10.1088/0264-9381/28/12/125009 · Cited by 56
Generic warp drives violate the null energy condition
Santiago, J., Schuster, S., & Visser, M. (2022) · Physical Review D · doi:10.1103/physrevd.105.064038 · Cited by 42
Self-citationAlcubierre, M., & Lobo, F. S. N. (2017) · Fundamental Theories of Physics · doi:10.1007/978-3-319-55182-1_11 · Cited by 27
Energy conditions in the Jordan frame
Chatterjee, S., Easson, D. A., & Parikh, M. (2013) · Classical and Quantum Gravity · doi:10.1088/0264-9381/30/23/235031 · Cited by 25
Cosmodynamics: energy conditions, Hubble bounds, density bounds, time and distance bounds
Cattoën, C., & Visser, M. (2008) · Classical and Quantum Gravity · doi:10.1088/0264-9381/25/16/165013 · Cited by 30
Self-citationAlcubierre warp drive in spherical coordinates with some matter configurations
Abellán, G., Bolivar, N., & Vasilev, I. (2023) · The European Physical Journal C · doi:10.1140/epjc/s10052-022-11091-5 · Cited by 8
Curvature Invariants for the Accelerating Natário Warp Drive
Mattingly, B., Kar, A., Gorban, M., Julius, W., Watson, C. K., Ali, M. D., Baas, A., Elmore, C., Lee, J. S., Shakerin, B., et al. (2020) · Particles · doi:10.3390/particles3030042 · Cited by 9
ADM mass in warp drive spacetimes
Schuster, S., Santiago, J., & Visser, M. (2023) · General Relativity and Gravitation · doi:10.1007/s10714-022-03061-9 · Cited by 8
“And as the discussion in the literature amply shows, in the case of warp drives (particularly those of the superluminal variety) their violations of energy conditions are a sign of “bad physics”—though these violations themselves by themselves are at best a warning sign [34, 35].”
BackgroundSelf-citation
Metadata
- Authors
- BARCELÓ, C., & VISSER, M.
- Venue
- International Journal of Modern Physics D
- Publisher
- World Scientific Pub Co Pte Lt
- Published
- 2002-12
- Volume
- 11
- Issue
- 10
- Pages
- 1553-1560
- ISSN
- 0218-2718 (ISSN-L)
- 1793-6594
- OpenAlex
- W2003772024
- Cited by
- 278
- References
- 0
- FWCI
- 4.44
- Type
- journal article
- Language
- en
- Open access
- green
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