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14/06/2024, 13:00Presentation (CLOSED)
Dense gas tracers are not commonly observed in AGNs. The purpose of this project was to deter-mine if the kinematics of the dense gas move in Keplerian orbits or are sensitive to out-flows/inflows as seen with CO gas. If the dense gas has ordered motion, it can possibly be used to measure the mass of the central black hole.
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In this project I analyse the dense molecular gas tracers in the... -
14/06/2024, 13:20Presentation (CLOSED)
Our understanding of past climate and the mechanisms that drive climate change can be improved through analysis of the excellent palaeoclimatic data available in the Greenland ice cores, but such insights depend on having an established chronology of the ice core. Therefore, the dating of ice cores is an essential part of palaeoclimatic science. However, this dating is often carried out by...
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14/06/2024, 13:40Presentation (CLOSED)
Tidal Love numbers encode gravitational response to external tidal fields generated by companions. These depend on the structure of the gravitating object, such as a black hole or a neutron star, and in a binary coalescence are measurable in the last stages of the inspiral before the merger. Quite strikingly, the black hole tidal Love numbers are zero. By now, they have been calculated for...
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14/06/2024, 14:30Presentation (CLOSED)
In a letter of intent published by the ALICE collaboration in 2020, the proposal to
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integrate a new Forward Calorimeter (FoCal) as the forthcoming upgrade to ALICE
was outlined. In this proposal, it was detailed that this new detector, FoCal, should
be comprised of two sub-detectors. These would be an electromagnetic calorimeter
(FoCal-E) and a hadronic calorimeter (FoCal-H), and the... -
14/06/2024, 14:50Presentation (CLOSED)
The origin of the binary black hole is one of the most charming, cutting-edge, and active Astrophysical topics. One of the possible formation channels is dynamical formation under the effect of another compact object, during which a triple system must exist. To test the existence of the third object, we focus on the gravitational lensing effect on the Gravitational Waves emitted from the...
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14/06/2024, 15:10Presentation (CLOSED)
The integration of multiple materials in a nanophotonic chip is an effective way of fulfilling the many demands put on photonic quantum information technology. In this work, we present the heterogeneous integration of a p-i-n-i-n-doped Gallium Arsenide die with embedded Indium Arsenide quantum dots onto a Silica surface of a Silicon wafer. We present measurements of tunable single-photon...
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14/06/2024, 15:30
A 1D chain of antiferromagnetic spin systems is a critical topic in quantum many-body physics. Theory has predicted that different spins (S) would result in different behaviors. Here, I will focus on the excitations of the Spin 1 Haldane system in the ground state.
In the S=1 system, both experiments and theories indicate that the ground state is topological and that there is a spin gap,...
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14/06/2024, 15:30Progress poster
The goal is to create BPT diagrams for nearby Active Galactic Nuclei (AGN). These diagrams, named after Baldwin, Phillips, and Telervich, are a set of nebular emission line diagrams used to distinguish the ionization mechanism of nebular gas. Using these we can map the gas on a large scale within galaxies and identify regions where we have AGN feedback, and help us understand AGNs’ role in the...
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14/06/2024, 15:30
Over the recent years our ability to model and observe young stars has increased dramatically, enabling the compilation of large catalogues of observed and in silico protostars. We have learned that accretion discs form immediately when a star is born, and that the first planets may form already while the star is still embedded inside a large, cold, and dusty envelope during the first million...
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14/06/2024, 15:30
In this work, we present a digital twin of the stress imaging neutron
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scattering instrument SALSA. This digital twin aims to correctly predict
SALSAs neutron beam characteristics at sample position. This twin was
made, by implementing a bent perfect crystal monochromator in the soft-
ware package McStas, and then used McStas to recreate the instrument
setup of SALSA. we then performed... -
14/06/2024, 15:30
Observations of high-energy neutrinos from the active galactic nucleus NGC 1068 suggest the acceleration of cosmic rays in the vicinity of the central supermassive black hole (corona) [1]. These high-energy cosmic-rays can collide either with gas or with photon fields, producing charged and neutral pions. The decay of neutral pions leads to a gamma-ray flux, which in other sources has been...
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14/06/2024, 15:30Progress poster
This thesis explores the application of algebraic topological methods, particularly persistent homology, in the analysis of models within statistical, condensed matter, and active matter systems. The primary goal is to classify phase transitions in soft active matter systems characterized by topological defects. Building on preliminary studies using the XY-model as a reference, we propose to...
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Hans Christiansen (NBI)Presentation (CLOSED)
Most unconventional superconductors are characterized by a non-trivial momentum structure of the Cooper pair wave function, represented by an explicit momentum dependence in the superconducting order parameter. A key challenge to understanding the fundamental nature of unconventional superconductivity is thus to establish the symmetry of this momentum dependence.
For spin-triplet...
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Presentation (CLOSED)
Most unconventional superconductors are characterized by a non-trivial momentum structure of the Cooper pair wave function, represented by an explicit momentum dependence in the superconducting order parameter. A key challenge to understanding the fundamental nature of unconventional superconductivity is thus to establish the symmetry of this momentum dependence.
For spin-triplet...
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