Capocasa, Eleonora Guo, Yuefan Eisenmann, Marc Zhao, Yuhang Tomura, Akihiro Arai, Koji Aso, Yoichi Marchiò, Manuel Pinard, Laurent Prat, Pierre
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Earth-based gravitational-wave detectors will be limited by quantum noise in a large part of their spectrum. The most promising technique to achieve a broadband reduction of such noise is the injection of a frequency dependent squeezed vacuum state from the output port of the detector, whit the squeeze angle rotated by the reflection off a Fabry-Pe...

Abbott, B.P. Abbott, R. Abbott, T.D. Acernese, F. Ackley, K. Adams, C. Adams, T. Addesso, P. Adhikari, R.X. Adya, V.B.
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On August 17, 2017, the LIGO and Virgo observatories made the first direct detection of gravitational waves from the coalescence of a neutron star binary system. The detection of this gravitational wave signal, GW170817, offers a novel opportunity to directly probe the properties of matter at the extreme conditions found in the interior of these st...

Dona, Pietro Sarno, Giorgio

The intricated combinatorial structure and the non-compactness of the Lorentz group have always made the computation of $SL(2,\mathbb{C})$ EPRL spin foam transition amplitudes a very hard and resource demanding task. With \texttt{sl2cfoam} we provide a C-coded library for the evaluation of the Lorentzian EPRL vertex amplitude. We provide a tool to ...

Abbott, B.P. Abbott, R. Abbott, T.D. Acernese, F. Ackley, K. Adams, C. Adams, T. Addesso, P. Adhikari, R.X. Adya, V.B.
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On August 17, 2017, the LIGO and Virgo observatories made the first direct detection of gravitational waves from the coalescence of a neutron star binary system. The detection of this gravitational wave signal, GW170817, offers a novel opportunity to directly probe the properties of matter at the extreme conditions found in the interior of these st...

De Lorenzo, Tommaso De Paoli, Elena Speziale, Simone

We prove that a conserved effective energy-momentum tensor for Einstein-Cartan theory can be identified from the Noether identities of the matter Lagrangian, using the torsion field equations relating them. More precisely, a one-parameter family labelled by the Immirzi parameter. We use this result and the contorsion description to show that Jacobs...

Abbott, B.P. Abbott, R. Abbott, T.D. Acernese, F. Ackley, K. Adams, C. Adams, T. Addesso, P. Adhikari, R.X. Adya, V.B.
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On August 17, 2017, the LIGO and Virgo observatories made the first direct detection of gravitational waves from the coalescence of a neutron star binary system. The detection of this gravitational wave signal, GW170817, offers a novel opportunity to directly probe the properties of matter at the extreme conditions found in the interior of these st...

D'Ascoli, Stéphane Noble, Scott Bowen, Dennis Campanelli, Manuela Krolik, Julian Mewes, Vassilios

We present the first fully relativistic prediction of the electromagnetic emission from the surrounding gas of a supermassive binary black hole system approaching merger. Using a ray-tracing code to post-process data from a general relativistic 3-d MHD simulation, we generate images and spectra, and analyze the viewing angle dependence of the light...

D'Ascoli, Stéphane Noble, Scott Bowen, Dennis Campanelli, Manuela Krolik, Julian Mewes, Vassilios

We present the first fully relativistic prediction of the electromagnetic emission from the surrounding gas of a supermassive binary black hole system approaching merger. Using a ray-tracing code to post-process data from a general relativistic 3-d MHD simulation, we generate images and spectra, and analyze the viewing angle dependence of the light...

Noorbala, Mahdiyar Vennin, Vincent Assadullahi, Hooshyar Firouzjahi, Hassan Wands, David

The relative probability to decay towards different vacua during inflation is studied. The calculation is performed in single-field slow-roll potentials using the stochastic inflation formalism. Various situations are investigated, including falling from a local maximum of the potential and escaping from a local minimum. In the latter case, our res...

Noorbala, Mahdiyar Vennin, Vincent Assadullahi, Hooshyar Firouzjahi, Hassan Wands, David

The relative probability to decay towards different vacua during inflation is studied. The calculation is performed in single-field slow-roll potentials using the stochastic inflation formalism. Various situations are investigated, including falling from a local maximum of the potential and escaping from a local minimum. In the latter case, our res...