TY - JOUR
T1 - Direct numerical simulations for non-equilibrium superconducting dynamics at the transition edge
T2 - Simulation for MgB2 neutron detectors
AU - Machida, Masahiko
AU - Kano, T.
AU - Koyama, T.
AU - Kato, M.
AU - Ishida, T.
N1 - Funding Information:
Acknowledgements This work was partially supported by CREST(JST) and by a Grant-in-Aid for Scientific Research from MEXT of Japan (Grant No. 19206104).
PY - 2008/4
Y1 - 2008/4
N2 - We perform large-scale numerical simulations on the non-equilibrium superconducting dynamics after a neutron capture at the superconducting transition edge in MgB2 by solving the time-dependent Ginzburg-Landau equation coupled with the Maxwell and the heat diffusion equations. The simulations are carried out under the current-biased condition in order to explain experimental results made in the JAEA reactor JRR-3, and the time scale of the obtained voltage signal is found to be almost consistent with the experiments. Moreover, the time evolution of the voltage signal is connected with that of the spatial profile of the superconducting order parameter.
AB - We perform large-scale numerical simulations on the non-equilibrium superconducting dynamics after a neutron capture at the superconducting transition edge in MgB2 by solving the time-dependent Ginzburg-Landau equation coupled with the Maxwell and the heat diffusion equations. The simulations are carried out under the current-biased condition in order to explain experimental results made in the JAEA reactor JRR-3, and the time scale of the obtained voltage signal is found to be almost consistent with the experiments. Moreover, the time evolution of the voltage signal is connected with that of the spatial profile of the superconducting order parameter.
KW - Superconducting neutron detector
UR - http://www.scopus.com/inward/record.url?scp=40649114699&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=40649114699&partnerID=8YFLogxK
U2 - 10.1007/s10909-007-9613-5
DO - 10.1007/s10909-007-9613-5
M3 - Article
AN - SCOPUS:40649114699
VL - 151
SP - 58
EP - 63
JO - Journal of Low Temperature Physics
JF - Journal of Low Temperature Physics
SN - 0022-2291
IS - 1-2 PART 1
ER -