@inproceedings{Kim2013-02-21Ultra-43341,
  year={2013},
  doi={10.1117/12.2001236},
  title={Ultrafast terahertz spin dynamics : from phonon-induced spin order to coherent magnon control},
  number={8623},
  isbn={978-0-8194-9392-7},
  issn={0277-786X},
  publisher={SPIE},
  address={Bellingham},
  series={Proceedings of SPIE},
  booktitle={Ultrafast phenomena and nanophotonics XVII : 3 - 6 February 2013, San Francisco, California, United States ; [part of SPIE photonics west]},
  editor={Betz, Markus},
  author={Kim, Kyung Wan and Porer, Michael and Bernhard, Christian and Demsar, Jure and Pashkin, Alexej and Kampfrath, Tobias and Sell, Alexander and Wolf, Martin and Leitenstorfer, Alfred and Huber, Rupert},
  note={Article Number: 862307}
}

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    <dcterms:title>Ultrafast terahertz spin dynamics : from phonon-induced spin order to coherent magnon control</dcterms:title>
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    <dc:contributor>Demsar, Jure</dc:contributor>
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    <dc:creator>Kampfrath, Tobias</dc:creator>
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    <dc:creator>Pashkin, Alexej</dc:creator>
    <dc:creator>Wolf, Martin</dc:creator>
    <dc:contributor>Porer, Michael</dc:contributor>
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    <dc:contributor>Pashkin, Alexej</dc:contributor>
    <dc:language>eng</dc:language>
    <dc:contributor>Kim, Kyung Wan</dc:contributor>
    <dc:contributor>Kampfrath, Tobias</dc:contributor>
    <dc:contributor>Wolf, Martin</dc:contributor>
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    <dc:creator>Huber, Rupert</dc:creator>
    <dc:contributor>Bernhard, Christian</dc:contributor>
    <dc:contributor>Sell, Alexander</dc:contributor>
    <dc:contributor>Leitenstorfer, Alfred</dc:contributor>
    <dc:creator>Leitenstorfer, Alfred</dc:creator>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-09-20T13:14:06Z</dc:date>
    <dc:creator>Bernhard, Christian</dc:creator>
    <dc:creator>Sell, Alexander</dc:creator>
    <dcterms:abstract xml:lang="eng">Ultrashort pulses in the terahertz (THz) spectral range allow us to study and control spin dynamics on time scales faster than a single oscillation cycle of light. In a first set of experiments, we harness an optically triggered coherent lattice vibration to induce a transient spin-density wave in BaFe2As2, the parent compound of pnictide superconductors. The time-dependent multi-THz response of the non-equilibrium phases shows that the ordering quasi-adiabatically follows a coherent lattice oscillation at a frequency as high as 5.5 THz. The results suggest important implications for unconventional superconductivity. In a second step, we utilize the magnetic field component of intense THz transients to directly switch on and off coherent spin waves in the antiferromagnetic nickel oxide NiO. A femtosecond optical probe traces the magnetic dynamics in the time domain and verifies that the THz field addresses spins selectively via Zeeman interaction. This concept provides a universal ultrafast handle on magnetic excitations in the electronic ground state.</dcterms:abstract>
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    <dcterms:issued>2013-02-21</dcterms:issued>
    <dc:contributor>Huber, Rupert</dc:contributor>
    <dc:creator>Porer, Michael</dc:creator>
    <dc:creator>Demsar, Jure</dc:creator>
    <dc:creator>Kim, Kyung Wan</dc:creator>
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