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@ARTICLE{Mikhaylovskiy:301806,
author = {Mikhaylovskiy, R. V. and Hendry, E. and Secchi, A. and
Mentink, J. H. and Eckstein, M. and Wu, A. and Pisarev, R.
V. and Kruglyak, V. V. and Katsnelson, M. I. and Rasing, Th.
and Kimel, A. V.},
title = {{U}ltrafast optical modification of exchange interactions
in iron oxides},
journal = {Nature Communications},
volume = {6},
issn = {2041-1723},
address = {London},
publisher = {Nature Publishing Group},
reportid = {PUBDB-2016-02875},
pages = {8190 -},
year = {2015},
abstract = {Ultrafast non-thermal manipulation of magnetization by
light relies on either indirect coupling of the electric
field component of the light with spins via spin-orbit
interaction or direct coupling between the magnetic field
component and spins. Here we propose a scenario for coupling
between the electric field of light and spins via optical
modification of the exchange interaction, one of the
strongest quantum effects with strength of 10$^3$ Tesla.
We demonstrate that this isotropic opto-magnetic effect,
which can be called inverse magneto-refraction, is allowed
in a material of any symmetry. Its existence is corroborated
by the experimental observation of terahertz emission by
spin resonances optically excited in a broad class of iron
oxides with a canted spin configuration. From its strength
we estimate that a sub-picosecond modification of the
exchange interaction by laser pulses with fluence of about
1 mJ cm${−2}$ acts as a pulsed effective magnetic
field of 0.01 Tesla.},
cin = {MPSD},
ddc = {500},
cid = {I:(DE-H253)MPSD-20120731},
pnm = {899 - ohne Topic (POF3-899) / MAGNONICS - Magnonics:
Mastering Magnons in Magnetic Meta-Materials (228673) / GO
FAST - Governing ultrafast the conductivity of correlated
materials (280555) / FANTOMAS - Femtosecond opto-magnetism
and novel approaches to ultrafast magnetismat the nanoscale
(214810) / FEMTOMAGNETISM - Femtosecond Laser Control of
Spins in Magnetic Materials: from fundamentals to nanoscale
dynamics (257280) / EXCHANGE - Magnetism at the time and
length scale of the Exchange interaction (339813) / GRASP -
GRAPHENE-BASED SINGLE-PHOTON NONLINEAR OPTICAL DEVICES
(613024) / FEMTOSPIN - Multiscale Modelling of Femtosecond
Spin Dynamics (281043)},
pid = {G:(DE-HGF)POF3-899 / G:(EU-Grant)228673 /
G:(EU-Grant)280555 / G:(EU-Grant)214810 / G:(EU-Grant)257280
/ G:(EU-Grant)339813 / G:(EU-Grant)613024 /
G:(EU-Grant)281043},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000363017100017},
pubmed = {pmid:26373688},
doi = {10.1038/ncomms9190},
url = {https://bib-pubdb1.desy.de/record/301806},
}