Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Huvonen, D."'
Autor:
Morris, C. M., Desai, Nisheeta, Viirok, J., Huvonen, D., Nagel, U., Room, T., Krizan, J. W., Cava, R. J., McQueen, T. M., Koohpayeh, S. M., Kaul, Ribhu K., Armitage, N. P.
Publikováno v:
Nature Physics (2021)
The Ising chain in transverse field is a paradigmatic model for a host of physical phenomena, including spontaneous symmetry breaking, topological defects, quantum criticality, and duality. Although the quasi-1D ferromagnet CoNb$_2$O$_6$ has been put
Externí odkaz:
http://arxiv.org/abs/2009.14189
Publikováno v:
J. Phys.: Condens. Matter 28 (2016) 206003
Electron spin resonance experiment reveals that non-magnetic bond doping of the spin-gap magnet (C$_4$H$_{12}$N$_2$)Cu$_2$Cl$_6$ (abbreviated PHCC) results in the formation of $S=1$ paramagnetic centers that dominate low-temperature ESR response. We
Externí odkaz:
http://arxiv.org/abs/1512.02405
Autor:
Zheludev, A., Huvonen, D.
In a recent publication [M. B. Stone et al., New Journal of Physics 9, 31 (2007)] a "Renormalized Classical 2D" (RC) phase has been reported in a quasi-two-dimensional quantum antiferromagnet PHCC. Its key signature is a sharp cusp-like feature in th
Externí odkaz:
http://arxiv.org/abs/1310.8283
Autor:
Wulf, E., Huvonen, D., Kim, J. -W., Paduan-Filho, A., Ressouche, E., Gvasaliya, S., Zapf, V., Zheludev, A.
Field-induced magnetic ordering in the structurally disordered quantum magnets Ni(Cl$_{1-x}$Br$_x$)$_2$$\cdot$4SC(NH$_2$)$_2$, $x=8$% and 13%, is studied by means of neutron diffraction. The order parameter critical exponent is found to be very close
Externí odkaz:
http://arxiv.org/abs/1310.1023
Publikováno v:
Phys. Rev. B 86, 214408 (2012)
We present results of inelastic neutron scattering study on two bond disordered quasi twodimensional quantum magnets (C$_4$H$_12$N$_2$)Cu$_2$(Cl$_{1-x}$Br$_x$)$_6$ with x=0.035 and 0.075. We observe the increase of spin gap, reduction of magnon bandw
Externí odkaz:
http://arxiv.org/abs/1210.5899
Autor:
Yankova, T., Huvonen, D., Muhlbauer, S., Schmidiger, D., Wulf, E., Zhao, S., Zheludev, A., Hong, T., Garlea, V. O., Custelcean, R., Ehlers, G.
We review a strategy for targeted synthesis of large single crystal samples of prototype quantum magnets for inelastic neutron scattering experiments. Four case studies of organic copper halogenide S=1/2 systems are presented. They are meant to illus
Externí odkaz:
http://arxiv.org/abs/1110.6375
Autor:
Yang, J., Huvonen, D., Nagel, U., Room, T., Ni, N., Canfield, P. C., Budko, S. L., Carbotte, J. P., Timusk, T.
Optical spectroscopy on single crystals of the new iron arsenide superconductor Ba{0.55}K{0.45}Fe2As2 shows that the infrared spectrum consists of two major components: a strong metallic Drude band and a well separated mid infrared absorption centere
Externí odkaz:
http://arxiv.org/abs/0807.1040
Terahertz reflectance spectra of the Ca-intercalated graphite CaC6 reveal a superconducting gap below 11K. The gap signature lacks a sharp onset to full reflectivity at 2Delta, but rather shows a distribution of gap values consistent with an anisotro
Externí odkaz:
http://arxiv.org/abs/0804.2606
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