chiral order
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2021 ◽  
Vol 62 (3) ◽  
Author(s):  
Roman Skibiński ◽  
Jacek Golak ◽  
Volodymyr Soloviov ◽  
Kacper Topolnicki ◽  
Yuriy Volkotrub ◽  
...  

AbstractWe report on applications of the recent chiral potentials from the Bochum-Bonn group to the description of the neutron induced deuteron breakup observables. Specifically, we discuss the convergence of predictions with respect to the chiral order and the dependence of our results on the value of the regularization parameter. To that end we use the chiral forces with semi-local coordinate or momentum space regularization up to the N$$^4$$ 4 LO$$^+$$ + order of chiral expansion. We find a satisfactory picture revealing high quality of the chiral forces used.


2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Nico Kerber ◽  
Dmitriy Ksenzov ◽  
Frank Freimuth ◽  
Flavio Capotondi ◽  
Emanuele Pedersoli ◽  
...  

AbstractWhile chiral spin structures stabilized by Dzyaloshinskii-Moriya interaction (DMI) are candidates as novel information carriers, their dynamics on the fs-ps timescale is little known. Since with the bulk Heisenberg exchange and the interfacial DMI two distinct exchange mechanisms are at play, the ultrafast dynamics of the chiral order needs to be ascertained and compared to the dynamics of the conventional collinear order. Using an XUV free-electron laser we determine the fs-ps temporal evolution of the chiral order in domain walls in a magnetic thin film sample by an IR pump - X-ray magnetic scattering probe experiment. Upon demagnetization we observe that the dichroic (CL-CR) signal connected with the chiral order correlator mzmx in the domain walls recovers significantly faster than the (CL + CR) sum signal representing the average collinear domain magnetization mz2 + mx2. We explore possible explanations based on spin structure dynamics and reduced transversal magnetization fluctuations inside the domain walls and find that the latter can explain the experimental data leading to different dynamics for collinear magnetic order and chiral magnetic order.


2019 ◽  
Vol 100 (9) ◽  
Author(s):  
Yonggoo Heo ◽  
C. Kobdaj ◽  
Matthias F. M. Lutz
Keyword(s):  

2019 ◽  
Vol 10 (18) ◽  
pp. 5629-5633 ◽  
Author(s):  
Martina Pannuzzo ◽  
Beata Szała ◽  
Domenica Raciti ◽  
Antonio Raudino ◽  
Alberta Ferrarini

2016 ◽  
Vol 6 (4) ◽  
Author(s):  
Ke Liu ◽  
Jaakko Nissinen ◽  
Robert-Jan Slager ◽  
Kai Wu ◽  
Jan Zaanen
Keyword(s):  

2016 ◽  
Vol 93 (18) ◽  
Author(s):  
A. Scheie ◽  
M. Sanders ◽  
J. Krizan ◽  
Y. Qiu ◽  
R. J. Cava ◽  
...  
Keyword(s):  

2015 ◽  
Vol 115 (14) ◽  
Author(s):  
Cristina Greco ◽  
Alberta Ferrarini
Keyword(s):  

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