Zobrazeno 1 - 10
of 249
pro vyhledávání: '"Matsuhira, K."'
Autor:
Morineau, F., Cathelin, V., Holdsworth, P. C. W., Giblin, S. R., Balakhrishnan, G., Matsuhira, K., Paulsen, C., Lhotel, E.
We test the fluctuation-dissipation relation (FDR) in spin ice materials Dy$_2$Ti$_2$O$_7$ and Ho$_2$Ti$_2$O$_7$ by measuring both the magnetic noise and the out-of-phase part of the susceptibility and comparing their ratio. We show that it is satisf
Externí odkaz:
http://arxiv.org/abs/2410.12548
Autor:
Paulsen, C., Giblin, S. R., Lhotel, E., Prabhakaran, D., Matsuhira, K., Balakrishnan, G., Bramwell, S. T.
Extensive work on single molecule magnets has identified a fundamental mode of relaxation arising from the nuclear-spin assisted quantum tunnelling of nearly independent and quasi-classical magnetic dipoles. Here we show that nuclear-spin assisted qu
Externí odkaz:
http://arxiv.org/abs/1903.11122
Autor:
Jackson, M. J., Lhotel, E., Giblin, S. R., Bramwell, S. T., Prabhakaran, D., Matsuhira, K., Hiroi, Z., Yu, Q., Paulsen, C.
Avalanches of the magnetization, that is to say an abrupt reversal of the magnetization at a given field, have been previously reported in the spin-ice compound Dy$_{2}$Ti$_{2}$O$_{7}$. This out-of-equilibrium process, induced by magneto-thermal heat
Externí odkaz:
http://arxiv.org/abs/1406.2954
Autor:
Paulsen, C., Jackson, M. J., Lhotel, E., Canals, B., Prabhakaran, D., Matsuhira, K., Giblin, S. R., Bramwell, S. T.
Publikováno v:
Nature Physics 10, 135 (2014)
Condensed matter in the low temperature limit reveals much exotic physics associated with unusual orders and excitations, examples ranging from helium superfluidity to magnetic monopoles in spin ice. The far-from-equilibrium physics of such low tempe
Externí odkaz:
http://arxiv.org/abs/1401.8194
Publikováno v:
J. Phys. Soc. Jap. 80 (2011), 123711
We have performed AC susceptibility and DC magnetic relaxation measurements on the spin ice system Dy$_2$Ti$_2$O$_7$ down to 0.08 K. The relaxation time of the magnetization has been estimated below 2 K down to 0.08 K. The spin dynamics of Dy$_2$Ti$_
Externí odkaz:
http://arxiv.org/abs/1202.1107
Autor:
Tomiyasu, K., Matsuhira, K., Iwasa, K., Watahiki, M., Takagi, S., Wakeshima, M., Hinatsu, Y., Yokoyama, M., Ohoyama, K., Yamada, K.
Publikováno v:
J. Phys. Soc. Jpn 81, 034709 (2012)
In this study, we performed powder neutron diffraction and inelastic scattering measurements of frustrated pyrochlore Nd$_2$Ir$_2$O$_7$, which exhibits a metal-insulator transition at a temperature $T_{\rm MI}$ of 33 K. The diffraction measurements r
Externí odkaz:
http://arxiv.org/abs/1110.6605
Publikováno v:
J. Magn. Magn. Mater. 310, 1311 (2007).
We have investigated the kagom\'{e} ice state in the frustrated pyrochlore oxide Dy_{2}Ti_{2}O_{7} under magnetic field along a [111] axis. Spin correlations have been measured by neutron scattering and analyzed by Monte-Carlo simulation. The kagom\'
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611527
Publikováno v:
Phys. Rev. Lett. 97, 257205 (2006)
We have investigated the kagom\'{e} ice behavior of the dipolar spin-ice compound Dy_{2}Ti_{2}O_{7} in magnetic field along a [111] direction using neutron scattering and Monte Carlo simulations. The spin correlations show that the kagom\'{e} ice beh
Externí odkaz:
http://arxiv.org/abs/cond-mat/0607808
A novel macroscopically degenerate state called kagome ice, which was recently found in a spin ice compound Dy2Ti2O7 in a magnetic field applied along the [111] direction of the cubic unit cell, is studied by specific heat measurements. The residual
Externí odkaz:
http://arxiv.org/abs/cond-mat/0211326
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