Dr. Andreas Baum

Contact
https://www.linkedin.com/in/andreas-baum-b065621b8/
Assignments
  • Alumnus/Alumna: Raman Spectroscopy: Raman Spectroscopy in Correlated Systems

 

Member of the Gross group at WMI as a master and Ph.D. student between 2011 and 2017.

Master Thesis: Untersuchung des Spindichtewellen-Übergangs in BaFe2As2 (2012)
Ph.D. Thesis: Interrelation of Lattice, Charge, and Spin Degrees of Freedom in Iron Based Systems (2018)

After working at WMI as a postdoc until 2020, he joined Mynaric as an Optical Test Engineer in 2021.

 

Publications of Dr. Andreas Baum

2022

Evolution of lattice, spin, and charge properties across the phase diagram of FeSe1−xSx
Research Article | Physical Review B 106, 094510  (2022)
N. Lazarević, A. Baum, A. Milosavljević, L. Peis , R. Stumberger, J. Bekaert , A. Šolajić, J. Pešić Aifeng Wang, M. Šćepanović, A. M. Milinda Abeykoon, M. V. Milošević, C. Petrovic, Z. V. Popović, R. Hackl
Suppression of Superconductivity and Nematic Order in Fe1-ySe1-xSx (0 ≤ x ≤ 1, y ≤ 0.1) Crystals by the Anion Height Disorder
Research Article | Inorganic Chemistry 61, 11036  (2022)
Aifeng Wang, Ana Milosavljevic, A. M. Milinda Abeykoon, Valentin Ivanovski, Qianheng Du, Andreas Baum, Eli Stavitski, Yu Liu, Nenad Lazarevic, Klaus Attenkofer, Rudi Hackl, Zoran Popovic, and Cedomir Petrovic
Quantum critical fluctuations in an Fe-based superconductor
Research Article | Comms. Phys. 5, 201  (2022)
Preprint: arXiv:2111.07521
Daniel Jost, Leander Peis, Ge He, Andreas Baum, Stephan Geprägs, Johanna C. Palmstrom, Matthias S. Ikeda, Ian R. Fisher, Thomas Wolf, Samuel Lederer, Rudi Hackl

2021

Calculation of an Enhanced A1g Symmetry Mode Induced by Higgs Oscillations in the Raman Spectrum of High-Temperature Cuprate Superconductors
Research Article | Physical Review Letters 127, 197001  (2021)
Preprint: arXiv:2012.01922
M. Puviani, A. Baum, S. Ono, Y. Ando, R. Hackl, D. Manske

2020

Raman Study of Cooper Pairing Instabilities in (Li1−xFex)OHFeSe
Research Article | Physical Review Letters 125, 217002  (2020)
G. He, D. Li, D. Jost, A. Baum, P. P. Shen, X. L. Dong, Z. X. Zhao, and R. Hackl

2019

Frustrated magnetism from local moments in FeSe
Research Article | Physical Review B 99, 125130  (2019)
Harrison Ruiz, Yao Wang, Brian Moritz, Andreas Baum, Rudi Hackl, and Thomas P. Devereaux
Frustrated spin order and stripe fluctuations in FeSe
Research Article | Communications Physics 2, 14  (2019)
A. Baum, H. N. Ruiz, N. Lazarevic, Yao Wang, T. Böhm, R. Hosseinian Ahangharnejhad, P. Adelmann, T. Wolf, Z. V. Popovic, B. Moritz, T. P. Devereaux, and R. Hackl

2018

Magnetic excitations and amplitude fluctuations in insulating cuprates
Research Article | Physical Review B 97, 024407  (2018)
N. Chelwani, A. Baum, T. Böhm, M. Opel, F. Venturini, L. Tassini, A. Erb, H. Berger, L. Forró, and R. Hackl
Microscopic origin of Cooper pairing in the iron-based superconductor Ba1-xKxFe2As2
Research Article | npj Quantum Materials 3, 48  (2018)
T. Böhm, F. Kretzschmar, A. Baum, M. Rehm, D. Jost, R. Hosseinian Ahangharnejhad, R. Thomale, C. Platt, T. A. Maier, W. Hanke, B. Moritz, T. P. Devereaux, D. J. Scalapino, S. Maiti, P. J. Hirschfeld, P. Adelmann, T. Wolf, Hai-Hu Wen, and R. Hackl
Phonon anomalies in FeS
Research Article | Physical Review B 97, 054306  (2018)
A. Baum, A. Milosavljevic, N. Lazarevic, M. M. Radonjic, B. Nikolic, M. Mitschek, Z. Inanloo Maranloo, M. Šcepanovic, M. Grujuic-Brojcin, N. Stojilovic, M. Opel, Aifeng Wang, C. Petrovic, Z.V. Popovic, R. Hackl

2016

Charge density wave modulation and gap measurements in CeTe3
Research Article | Physical Review B 94, 165132  (2016)
U. Ralevic, N. Lazarevic, A. Baum, H.-M. Eiter, R. Hackl, P. Giraldo-Gallo, I. R. Fisher, C. Petrovic, R. Gajic, and Z. V. Popovic
Critical spin fluctuations and the origin of nematic order in Ba(Fe1-xCox)2As2
Research Article | Nature Physics 12, 560-563  (2016)
F. Kretzschmar, T. Böhm, U. Karahasanovic, B. Muschler, A. Baum, D. Jost, J. Schmalian, S. Caprara, M. Grilli, C. Di Castro, J. G. Analytis, J.-H. Chu, I. R. Fisher, R. Hackl
Superconductivity and fluctuations in Ba1-pKpFe2As2 and Ba(Fe1-nCon)2As2
Research Article | Phys. Status Solidi B 254, 1600308  (2016)
T. Böhm, R. Hosseinian Ahangharnejhad, D. Jost, A. Baum, B. Muschler, F. Kretzschmar, P. Adelmann, T. Wolf, H.-H. Wen, J.-H. Chu, I. R. Fisher, R. Hackl

2013

Raman-Scattering Detection of Nearly Degenerate s-Wave and d-Wave Pairing Channels in Iron-Based Ba0.6K0.4Fe2As2 and Rb0.8Fe1.6Se2 Superconductors
Research Article | Physical Review Letters 110, 187002  (2013)
Florian Kretzschmar, Bernhard Muschler, Thomas Böhm, Andreas Baum, Rudi Hackl, Hai-Hu Wen, Vladimir Tsurkan, Joachim Deisenhofer, Alois Loidl
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