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News

Somewhere in the middle of Africa, but where? Photo: Delphini-1

2020.07.20 | Department of Physics, Staff, Public / media, Students

Summers greetings from Delphini-1

Even during the lock-down our students are working hard times communicating with our Aarhus University satellite.

2020.07.14 | Staff, Public / media, Students

New Postdoc - Björn Bastian

Björn Bastian started as new Postdoc in Marcel Mudrich´s group: Cluster-Dynamics Group on 1st July 2020.

How about spending a week in Berlin doing quantum mechanics?

2020.06.30 | Department of Physics, Staff, Public / media, Students

Do you like quantum mechanics?

Would you like to come to Berlin from 1 to 7 November 2020? Sign up for our challenge. We will send two students from Denmark to "Quantum Future Academy 2020" with all expenses paid - and it might easily be you!

Electronic quantum states and the combination of atomic orbitals in the new two-dimensional semiconductor ReSe2. Illustration from the paper.

2020.06.14 | Department of Physics, Staff, Public / media, Students

New two dimensional semiconductor couples selectively to light

Recent paper in ACS Nano reveals surprising electronic properties in the new two dimensional semiconductor rhenium diselenid. Søren Ulstrup of IFA is coauthor.

ASTRID2 LEGO model with crew. All photos: Nyk Jones.

2020.06.13 | Department of Physics, Staff, Public / media, Students

While you were gone ASTRID and ASTRID2 have had a little sister

Those of you coming and going via the IFA main entrance have had no trouble discovering a fine LEGO model of our storage ring ASTRID2. Even though the model is super realistic, there is no danger of radiation at all, as the dome over the model absorbs all LEGOtron radiation!

Between two layers of graphene new effects occur when they are rotated with specific angles. Illustration from the paper.

2020.06.12 | Department of Physics, Staff, Public / media, Students

Thin layers of carbon can be used as quantum electronic components

In a recent paper published in June 2020 researchers at IFA describe the construction of a functioning quantum component consisting of a double layer of graphene, and measurements of the properties using photoemission at nano scales

Elisabeth Gruber preparing a chlorophyll solvent for the SAPHIRA experiments. Photo: OJK/IFA.

2020.06.03 | Department of Physics, Staff, Public / media, Students

What do you do at IFA when the institute is closed?

Postdoc Elisabeth Gruber is one of the researchers that were granted special access to IFA during the corona-closedown.

New interdisciplinary project will measure saturation vapor pressure of low volatile substances

2020.05.25 | Department of Physics, Staff, Public / media

Handling the pressure

New interdisciplinary project will measure saturation vapor pressure of low volatile substances

One of ASTRID2s dipole magnets, open during installation. Photo: ISA

2020.05.19 | Department of Physics, Staff, Public / media, Students

COVID-19 research welcomed at ASTRID2

Are you doing research related to SARS-CoV-2 therapies or vaccines? We will give you priority access to our facilities at ISA

The Delta Scuti-star beta Pictoris. Photo: ESO

2020.05.12 | Department of Physics, Staff, Students, Public / media

The variable delta Scuti stars reveal some of their secrets

Danish National Research Foundation centre in Aarhus has a central role in some newly discovered details of the remarkable delta Scuti stars. To be published in Nature Wednesday 13. May

Hasse Stræde Hansen on location at the Mount Kent-observatoriet. Foto: HSH/SAC

2020.05.10 | Department of Physics, Staff, Public / media, Students

IFA astronomy student creates software in support of stellar research

For his master's thesis one of our Aarhus University students has developed software for automation and remote control of two new telescopes in Australia. These two telescopes are the most recent in the Danish-led SONG project, aimed at observing nearer stars and exoplanets.

2020.05.01 | Department of Physics, Public / media, Staff

New Associate Professor: Simon Wall

Simon Wall has been employed as Associate Professor starting from 1 May.

This is an artist’s concept of a hot Jupiter exoplanet. Image credit: NASA / ESA / G. Bacon, STScI.

2020.05.01 | Research, Department of Physics, Public / media

First exo-atmospheric characterization from TESS data unveiled at SAC

SAC has characterized the atmosphere of an exoplanet using TESS data and in a new paper researchers present their findings.

2020.04.15 | Public / media, Staff, Department of Physics

Satellites can help with climate solutions

Satellite data can help us understand the changes happening on Earth. In a new podcast, Associate Professor Christoffer Karoff talks about the possibilities in data from satellites.

[Translate to English:] Figure Caption: A sound wave propagating in a Fermi gas, where strong interactions between two spin components lead to the formation of Cooper pairs and hence a superfluid phase.

2020.04.15 | Department of Physics, Public / media, Staff

Making sound with strongly interacting matter

Article chosen as Editors Suggestion and highlighted in a Viewpoint in Physical Review letters.

2020.04.15 | Department of Physics, Staff, Public / media

New Scientific Coordinator

Pernille Grøne has been appointed research coordinator from 1 April

2020.04.15 | Department of Physics, Staff, Public / media

New Research Secretary

Hanne Bak has been employed as research secretary from 1 April

Photo: Mads Fredslund Andersen

2020.04.01 | Public / media, News, Department of Physics

COVID-19 closes the SONG telescope in Tenerife

The automated SONG telescope in Tenerife does not require on-site staff to conduct the observations of stars, yet the Corona virus has forced the leaders of the SONG project to shut down the observatory for at least two weeks.

Hasse Stræde Hansen in front of the telescope he has developed control software for during his master thesis.
Assembling the spectrograph in Australia. From left: Mads Fredslund Andersen, Frank Grundahl and Hasse Stræde Hansen

2020.03.06 | Public / media, Department of Physics, Staff

The new SONG Spectrograph has arrived in Australia

On the 4th of March 2020 the new SONG spectrograph arrived at the Mt. Kent Observatory in Queensland, Australia. The spectrograph was build in the basement at IFA and will be used to analyse the light from stars collected through two telescopes at the observatory.

2020.02.27 | Department of Physics, Staff, Public / media

New assistant professor - Thomas Tram

Thomas Tram was recently honoured with a Villum Young Investigator grant of DKK 9.5 mio. from the Villum Foundation for the project “Illuminating the Dark Universe”.

2020.02.20 | Department of Physics, Staff, Public / media

Investigation of the fine structure of antihydrogen

Article by Jeffrey Hangst et. al., in Nature 19 February 2020

2020.02.18 | Department of Physics, Staff, Public / media

New postdoc - Ragesh Kumar Thelakkadan Puthiyaveettil

Ragesh Kumar Thelakkadan Puthiyaveettil (Ragesh) joined ion trap group lead by Prof. Michael Drewsen in February 2020.

2020.02.14 | Department of Physics, Staff, Public / media

Attosecond quantum beats of inner-shell excited atoms

Article by Marcel Mudrich, IFA et al. in Nature Communications 14 February 2020

2020.01.31 | Department of Physics, Public / media, Staff, Students

Delphini-1: 1 år i rummet

Den 31. januar 2019 blev Aarhus Universitets første satellit Delphini-1 sendt i rummet fra den Internationale Rumstation (ISS). Aarhus Universitet og holdet bag rummissionen kan nu fejre 1 års dagen for satellittens succesfulde start på sin færd i rummet.

2020.01.31 | Department of Physics, Staff, News, Public / media, Students

Space-time is dragged around

Astrophysicist and AIAS fellow Thomas Tauris contributes to our understanding of how dead stars impact gravitational forces. Hereby we are one step closer to understanding the forces of nature. The results have been published in the scientific journal 'Science'.

Two galaxies both resembling the Milky Way dance a cosmic ballet which will eventually in a couple of billion years cause them to merge into one larger galaxy. They can be found in the constellation of Canis Major, discovered by English astronomer John Herschel in 1835 and given the designations NGC 2207 and IC 2163. I must have looked at bit like this when the Milky Way and Gaia-Enceladus collided for at bit more than 11 billon years ago. Photo: ESO.

2020.01.13 | Department of Physics, Staff, Public / media, Students

Oscillations in ancient star reveal galactic merger

Once upon at time in a galaxy close by - actually our own Milkyway - a passing dwarf galaxy was caught in and swollowed whole. We still see the traces of this. Paper in Nature13. January 2020.

Superfluous energy in a droplet of liquid Helium bubbles out, carried by a single exited atom. Illustration from the paper: M. Mudrich.

2020.01.07 | Department of Physics, Public / media, Staff, Students

Nano droplet of liquid Helium are very resistent towards energy disturbances

Paper by Marcel Mudric, IFA et al. in Nature Communications 8. January 2020

The Crab Nebula in the constellation Taurus. Photo: ESO

2020.01.06 | Department of Physics, Staff, Public / media, Students

Heavy stars explode as supernovae

Researchers from Aarhus help understand the finer details in a recent pair of papers in PRL and PRC

Photo: Ida Marie Jensen, AU Foto

2019.12.20 | Department of Physics, Staff, Public / media

You can get great ideas anywhere, but if you want them to succeed go to Jutland!

Yesterday, Aarhus University and Faculty of Science and Technology celebrated five new VILLUM Investigators at AIAS.

2019.12.12 | Department of Physics, Students, Staff, Public / media

Three IFA researchers to receive grants from the Carlsberg Foundation

Thomas Pohl participates in the Carlsberg Foundation "Semper Ardens" research projects, working with quantum control of light.

2019.12.12 | Department of Physics, Students, Public / media, Staff

Three IFA researchers to receive grants from the Carlsberg Foundation

Jeffrey S. Hangst is participating in the Carlsberg Foundation ”Semper Ardens” research projects, working with the ALPHA-3 project at CERN.

2019.12.12 | Department of Physics, Students, Public / media, Staff

Three IFA researchers receive grants from the Carlsberg Foundation

Victor Silva Aguirre receives a Carlsberg Foundation Young Researcher Fellowship to continue work on 3D simulations of stellar atmospheres and stellar oscillations.

Logo for the Sapere Aude projects

2019.11.25 | Department of Physics, Staff, Public / media, Students

Postdoc Søren Ulstrup receives a Sapere Aude grant of DKK 6,2 for research into 2D crystals

In a research project titled 'In operando nanoscale spectromicroscopy of two-dimensional heterostructures' the properties of stacked single atom layered crystal are to be studied

2019.11.20 | Department of Physics, Staff, Public / media

New postdoc - Emir Karamehmetoglu

Emir Karamehmetoglu joined the supernova group led by Maximilian Stritzinger in the fall of 2019. His primary research interest is observational studies of core-collapse supernovae

2019.11.07 | Public / media, Staff, Department of Physics

Steen Brøndsted Nielsen has obtained his higher doctoral degree

Steen Brøndsted Nielsen has obtained his higher doctoral degree at Aarhus University. His doctoral dissertation investigates the colour of molecules when they are not under the influence of their surroundings. The aim is to develop better fluorescent markers for medical examinations.

Professor Liv Hornekær. Photo: Lars Kruse, AU Foto.

2019.10.23 | Department of Physics, Students, Public / media, Staff

Two new Danish National Research Foundation centres at IFA

Liv Hornekær to lead Center for Interstellar Catalysis

Professor Thomas Pohl. Photo: Lars Kruse, AU Foto.

2019.10.23 | Department of Physics, Staff, Public / media, Students

Two new Danish National Research Foundation centres at IFA

Thomas Pohl to lead Center for Complex Quantum Systems

Photo of Ben Lemberger

2019.10.03 | Department of Physics, Staff, Public / media

New postdoc - Ben Lemberger

Ben Lemberger joined Klaus Mølmer's group as a postdoc in the fall of 2019.

Blue-white B-star. Credit: ESO

2019.10.01 | Department of Physics, Public / media, Staff, Students

Hot stars with an unknown past promise new understandings also of the Sun

Professor Jørgen Christensen-Dalsgaard co-authors a paper on B-subdwarfs in Nature Astronomy Letters 30. September 2019

2019.09.24 | Department of Physics, Public / media

New postdoc - Rosana Martinez Turtos

Rosana Martinez Turtos has joined the Semiconductor team in the group of Peter Balling from September 2019.

The principle of interacting photons via quasi particles. Ill: G. Bruun.

2019.09.20 | Department of Physics, Staff, Public / media, Students

A project by Georg Bruun, IFA for realising strong photon-photon interactions with exciton-polaritons obtains a fine grant

U.S. ARMY RDECOM has granted $ 300 000 for this project to study promising resonance effects between exciton-polaritons

Victoria Antoci. Private photo.

2019.09.10 | Department of Physics, Students, Public / media, Staff

Victoria Antoci, IFA had an idea!

The Villum Experiment Grants seek to reward scientists who question conventional thinking, and thus the idea of exploring the interplay between hot stars and exoplanets with a new spectrograph prototype for a unique nano-satellite missionhas been awarded a grant of DKK 1 960 230,00.

Max Stritzinger. Photo: DFF

2019.09.10 | Department of Physics, Staff, Public / media, Students

Max Stritzinger, IFA had an idea!

The Villum Experiment Grants seek to reward scientists who question conventional thinking, and thus the idea of building up a cosmography of Laniakea via the distribution of Type Ia supernovae, the peculiar velocities of their host galaxies and Dark Matter distribution has been awarded a grant of DKK 1 993 738,00.

Nicola Lanata. Private photo

2019.09.10 | Department of Physics, Students, Public / media, Staff

Nicola Lanata, IFA and Ove Christiansen, Dept of Chemistry had an idea!

The Villum Experiment Grants seek to reward scientists who question conventional thinking, and thus the idea of "Simulating strongly correlated materials by combining quantum theory with machine learning" has been awarded a grant of DKK 1 930 108,00

[Translate to English:] Picture from a Fysikshow.

2019.09.09 | Department of Physics, Staff, Future students, Public / media, PhD Students

Fysikshow

Fysikshow er en samling af fysik- og nanostuderende, der arbejder på at udbrede glæden ved naturvidenskab og i særdeleshed ved fysik.

Interacting "motors" in a 2D grid. Illustration from the paper.

2019.08.20 | Department of Physics, Staff, Public / media, Students

Clock Model at the Verge of Criticality

Alberto Imparato and Marc Suñé publish paper in Physical Review Letters 13. August 2019

2019.08.08 | Department of Physics, Students, Public / media, Staff

No, you cannot name the Danish exoplanet after Kim Larsen

Names are trickling in, but we hope for a skyburst

The SONG-telescope with the Teide volcano in the background. Photo: RMS Foto.

2019.07.30 | Department of Physics, Staff, Public / media, Students

Fine summer images from the SONG telescope on Tenerife

A well known astrophotographer has visited Tenerife and has donated a couple of very impressive photos of the Danish SONG telescope.

Solens overflade er et travlt sted. Det lyse stykke nær horisonten er en stor solplet. (Foto: NASA/TRACE)

2019.07.30 | Department of Physics, Staff, Public / media, Students

The Sun is less responsible for global climate changes according to 250 years old observations from the Copenhagen Round Tower

In Danish only. Sorry.

2019.07.08 | Department of Physics, Staff, Public / media

New electronics technician apprentice: Filip Johan Arnested

Filip Johan Arnested has been employed at our department from 1st July 2019 for 3½ years as electronics technician apprentice. Filip has a degree from The Academy of Music and has a Master’s degree in electronic music.

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