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pro vyhledávání: '"Ecker, Florian"'
We construct Carroll-invariant theories with fields propagating outside the Carroll lightcone, i.e., at a speed strictly greater than zero (`Carroll swiftons'). We first consider models in flat Carroll spacetime in general dimensions, where we presen
Externí odkaz:
http://arxiv.org/abs/2403.00544
Publikováno v:
Phys.Rev.D 110 (2024) 4, L041506
Carroll black holes with an associated Carroll temperature were introduced recently. So far, it is unclear if they exhibit a Hawking-like effect. To solve this, we study scalar fields on Carroll black hole backgrounds. Inspired by anomaly methods, we
Externí odkaz:
http://arxiv.org/abs/2403.00073
Autor:
Ecker, Florian, Grumiller, Daniel, Hartong, Jelle, Pérez, Alfredo, Prohazka, Stefan, Troncoso, Ricardo
Publikováno v:
SciPost Phys. 15, 245 (2023)
Despite the absence of a lightcone structure, some solutions of Carroll gravity show black hole-like behaviour. We define Carroll black holes as solutions of Carroll gravity that exhibit Carroll thermal properties and have a Carroll extremal surface,
Externí odkaz:
http://arxiv.org/abs/2308.10947
Dilaton gravities in two dimensions can be formulated as particular Poisson sigma models. Target space diffeomorphisms map different models to each other and establish a one-to-one correspondence between their classical solutions. We obtain a general
Externí odkaz:
http://arxiv.org/abs/2304.08523
Publikováno v:
SciPost Phys. 13, 119 (2022)
We introduce a family of 2D dilaton gravity models with state-dependent constant curvature so that dS$_2$ emerges as an excitation of AdS$_2$. Curiously, the strong coupling region corresponds to the asymptotic region geometrically. Apart from these
Externí odkaz:
http://arxiv.org/abs/2204.00045
Publikováno v:
JHEP 09 (2021) 182
Having in mind extensions of 2D holography beyond the Jackiw-Teitelboim model we propose holographic counterterms and asymptotic conditions for a family of asymptotically AdS$_2$ dilaton gravity models leading to a consistent variational problem and
Externí odkaz:
http://arxiv.org/abs/2106.08006
Akademický článek
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Autor:
Ecker, Florian Josef.
Publikováno v:
Title page, contents and summary only.
Thesis (M. Ec.) -- University of Adelaide, Dept. of Economics, 1976.
Autor:
Ecker, Florian
Following previous results the quantization of D-dimensional spherically reduced Einstein gravity with minimally coupled scalar matter is performed. The gravitational variables can be treated exactly using Eddington���Finkelstein gauge in the p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36a771cf264300b272db73da360b0e94
Autor:
Gambino, Nadia, Adler, Laurids, De Franco, Andrea, Ecker, Florian, Farinon, Fabio, Guidoboni, Greta, Kurfürst, Christoph, Myalski, Szymon, Penescu, Liviu, Pivi, Mauro, Schmitzer, Claus, Strašík, Ivan, Wastl, Alexander
MedAustron is a synchrotron-based hadron therapy center located in Lower Austria. Accelerated proton beams with energies of 62-252 MeV/u are used to treat patients since 2016. The carbon ion beam is currently under commissioning and will provide trea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f816cbec2adba7c29896aa7c82e2fb83