Results 21 to 30 of about 1,088 (209)
SPACETIME OR QUANTUM PARTICLES: THE ONTOLOGY OF QUANTUM GRAVITY? [PDF]
, 1996 The domains of quantum theory and general relativity overlap in situations where quantum mechanical effects cannot be ignored. In order to deal with this overlap of theoretical domains, there has been a tendency to apply the rules of quantum field theory
Peter J. Riggs +2 more
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Is Gravitational Entanglement Evidence for the Quantization of Spacetime? [PDF]
, 2022 Experiments witnessing the entanglement between two particles interacting only via the gravitational field have been proposed as a test whether gravity must be quantized.
Döner, M. Kemal, Großardt, André
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Fundamental length scale and the bending of light in a gravitational field
European Physical Journal C: Particles and Fields, 2022 The canonical approach to quantizing quantum gravity is understood to suffer from pathological non-renomalizability. Nevertheless in the context of effective field theory, a viable perturbative approach to calculating elementary processes is possible ...
Philip Tee, Nosratollah Jafari
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Lie algebroids and the geometry of off-shell BRST
Nuclear Physics B, 2021 It is well-known that principal bundles and associated bundles underlie the geometric structure of classical gauge field theories. In this paper, we explore the reformulation of gauge theories in terms of Lie algebroids and their associated bundles. This
Luca Ciambelli, Robert G. Leigh
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Gauge-Invariant Localization of Infinitely Many Gravitational Energies from All Possible Auxiliary Structures [PDF]
, 2009 The problem of finding a covariant expression for the distribution and conservation of gravitational energy-momentum dates to the 1910s. A suitably covariant infinite-component localization is displayed, reflecting Bergmann's realization that there are ...
Pitts, J. Brian, J. Brian Pitts
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SciPost Physics, 2018 We initiate a systematic study of `t Hooft anomalies in Galilean field theories, focusing on two questions therein. In the first, we consider the non-relativistic theories obtained from a discrete light-cone quantization (DLCQ) of a relativistic ...
Kristan Jensen
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Gravitational path integral from the T 2 deformation
Journal of High Energy Physics, 2020 We study a T 2 deformation of large N conformal field theories, a higher dimensional generalization of the T T ¯ $$ T\overline{T} $$ deformation. The deformed partition function satisfies a flow equation of the diffusion type.
Alexandre Belin +2 more
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Journal of High Energy Physics, 2022 Celestial holography proposes a duality between gravitational scattering in asymptotically flat space-time and a conformal field theory living on the celestial sphere.
Sabrina Pasterski, Herman Verlinde
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Revisiting soliton contributions to perturbative amplitudes [PDF]
, 2014 Open Access funded by SCOAP3. CP is a Royal Society Research Fellow and partly supported by the U.S. Department of Energy under grants DOE-SC0010008, DOE-ARRA-SC0003883 and DOE-DE-SC0007897. ABR is supported by the Mitchell Family Foundation. We would
Papageorgakis, Constantinos +5 more
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Composite higher derivative theory of gravity
Physical Review Research, 2020 We investigate a higher derivative theory that belongs to the class of composite field theories. Starting from the Yang-Mills theory based on the Lorentz group, we express the gauge vector fields in terms of the tetrad decomposition of a space-time ...
Hans Christian Öttinger
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