Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Malcolm J. Perry"'
Autor:
Malcolm J. Perry, Maria J. Rodriguez
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 10, Pp 1-20 (2024)
Abstract The duality relating the four-dimensional Kerr-Taub-NUT black hole to a thermal two-dimensional CFT with central charges c L = c R = 12J 0 is analyzed in detail, generalizing an argument given recently for Kerr within the soft-hair approach.
Externí odkaz:
https://doaj.org/article/73f342275f514612b1c05f78f9e27ba8
Autor:
Malcolm J. Perry
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 5, Pp 1-16 (2023)
Abstract The way spacetime behaves as one approaches a spacelike singularity is reinvestigated. We find a simple twistorial presentation that includes and simplifies the classic work of Belinskii, Khalatnikov and Lifshitz as well as the more recent r
Externí odkaz:
https://doaj.org/article/3de5e3c30c954faebe2b5082008e22b1
Publikováno v:
Journal of High Energy Physics, Vol 2020, Iss 9, Pp 1-32 (2020)
Abstract We provide a Hamiltonian derivation of recently discovered dual BMS charges. In order to do so, we work in the first order formalism and add to the usual Palatini action, the Holst term, which does not contribute to the equations of motion.
Externí odkaz:
https://doaj.org/article/6709be1528b74b569bb2791ce2ec28ed
Publikováno v:
Journal of High Energy Physics, Vol 2018, Iss 12, Pp 1-19 (2018)
Abstract A set of infinitesimal Virasoro L ⊗ Virasoro R diffeomorphisms are presented which act non-trivially on the horizon of a generic Kerr black hole with spin J. The covariant phase space formalism provides a formula for the Virasoro charges a
Externí odkaz:
https://doaj.org/article/d8fcbbc66779458d9f6b009e38bc84db
Publikováno v:
Journal of High Energy Physics, Vol 2017, Iss 11, Pp 1-14 (2017)
Abstract We describe the conformal symmetries of asymptotically flat spacetime. These represent an extension of the BMS group that we call the conformal BMS group. Its general features are discussed.
Externí odkaz:
https://doaj.org/article/582c5121392945a4b5be99c7363ed3bd
Publikováno v:
Journal of High Energy Physics, Vol 2017, Iss 5, Pp 1-33 (2017)
Abstract It is shown that black hole spacetimes in classical Einstein gravity are characterized by, in addition to their ADM mass M, momentum P → $$ \overrightarrow{P} $$ , angular momentum J → $$ \overrightarrow{J} $$ and boost charge K → $$ \
Externí odkaz:
https://doaj.org/article/f6e5fb3772f34a6ab3fdc8eb0f0d1603
Autor:
Kip S. Thorne, Bernard Carr, James B. Hartle, Thomas Hertog, Gary W. Gibbons, Roger Penrose, George F. R. Ellis, Malcolm J. Perry
Publikováno v:
Biographical Memoirs of Fellows of the Royal Society. 66:267-308
Stephen Hawking's contributions to the understanding of gravity, black holes and cosmology were truly immense. They began with the singularity theorems in the 1960s followed by his discovery that black holes have an entropy and consequently a finite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::596ee9e1b7f00705f81a74a9e16e3cd7
https://doi.org/10.1098/rsbm.2019.0001
https://doi.org/10.1098/rsbm.2019.0001
Publikováno v:
Physical Review
M-theory compactified on a G2 manifold with resolved E8 singularities realizes four-dimensional N=1 supersymmetric gauge theories coupled to gravity with three families of Standard Model fermions. Beginning with one E8 singularity, three fermion fami
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f9495e9261efb0c75e0c9eb95c0b284
https://doi.org/10.1103/physrevd.103.126027
https://doi.org/10.1103/physrevd.103.126027
Publikováno v:
Journal of High Energy Physics, Vol 2020, Iss 9, Pp 1-32 (2020)
Journal of High Energy Physics
Journal of High Energy Physics
We provide a Hamiltonian derivation of recently discovered dual BMS charges. In order to do so, we work in the first order formalism and add to the usual Palatini action, the Holst term, which does not contribute to the equations of motion. We give a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::512707ddf1343011979ada20b4ae0d16
Publikováno v:
Physical Review Letters
We present a method for finding, in principle, all asymptotic gravitational charges. The basic idea is that one must consider all possible contributions to the action that do not affect the equations of motion for the theory of interest; such terms i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64c731b5d8549532c76167a437293915
https://hdl.handle.net/21.11116/0000-0006-BE5B-F21.11116/0000-0006-BE59-121.11116/0000-0007-0FEB-1
https://hdl.handle.net/21.11116/0000-0006-BE5B-F21.11116/0000-0006-BE59-121.11116/0000-0007-0FEB-1