Zobrazeno 1 - 10
of 215
pro vyhledávání: '"P, Smeibidl"'
Autor:
Allenspach, S., Madsen, A., Biffin, A., Bartkowiak, M., Prokhnenko, O., Gazizulina, A., Liu, X., Wahle, R., Gerischer, S., Kempfer, S., Heller, P., Smeibidl, P., Mira, A., Laflorencie, N., Mila, F., Normand, B., Rüegg, Ch.
Publikováno v:
PhysRevB.106.104418 (2022)
BaCuSi$_2$O$_6$ is a quasi-two-dimensional (2D) quantum antiferromagnet containing three different types of stacked, square-lattice bilayer hosting spin-1/2 dimers. Although this compound has been studied extensively over the last two decades, the cr
Externí odkaz:
http://arxiv.org/abs/2207.12445
Publikováno v:
Phys. Rev. Research 2, (2020) 013137
We report an unexpected magnetic-field-driven magnetic structure in the 5f-electron Shastry- Sutherland system U2Pd2In. This phase develops at low temperatures from a noncollinear antiferromagnetic ground state above the critical field of 25.8 T appl
Externí odkaz:
http://arxiv.org/abs/2002.10132
Autor:
Coldea, R., Tennant, D. A., Wheeler, E. M., Wawrzynska, E., Prabhakaran, D., Telling, M., Habicht, K., Smeibidl, P., Kiefer, K.
Publikováno v:
Science 327, 177 (2010)
Quantum phase transitions take place between distinct phases of matter at zero temperature. Near the transition point, exotic quantum symmetries can emerge that govern the excitation spectrum of the system. A symmetry described by the E8 Lie group wi
Externí odkaz:
http://arxiv.org/abs/1103.3694
Autor:
Lake, B., Lefmann, K., Christensen, N. B., Aeppli, G., McMorrow, D. F., Ronnow, H. M., Vorderwisch, P., Smeibidl, P., Mangkorntong, N., Sasagawa, T., Nohara, M., Takagi, H.
Publikováno v:
Nature Materials 4, 658-662 (2005)
Many physical properties of high-temperature (high-Tc) superconductors are two-dimensional phenomena derived from their square planar CuO2 building blocks. This is especially true of the magnetism from the copper ions. As mobile charge carriers enter
Externí odkaz:
http://arxiv.org/abs/cond-mat/0605164
Autor:
Fujisawa, M., Ono, T., Fujiwara, H., Tanaka, H., Sikolenko, V., Meissner, M., Smeibidl, P., Gerischer, S., Graf, H. A.
TlCuCl$_3$ is a coupled spin dimer system, which has a singlet ground state with an excitation gap of $\Delta/g\mu_{\mathrm B}$ = 5.5 T. TlCu$_{1-x}$Mg$_x$Cl$_3$ doped with nonmagnetic Mg$^{2+}$ ions undergoes impurity-induced magnetic ordering. Beca
Externí odkaz:
http://arxiv.org/abs/cond-mat/0601363
Autor:
Khaykovich, B., Wakimoto, S., Birgeneau, R. J., Kastner, M. A., Lee, Y. S., Smeibidl, P., Vorderwisch, P., Yamada, K.
Publikováno v:
Phys Rev B 71, 220508 (2005)
We report the observation of a magnetic-field-induced transition between magnetically disordered and ordered phases in slightly under-doped La(2-x)SrxCuO4 with x=0.144. Static incommensurate spin-density-wave order is induced above a critical field o
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411355
Autor:
Stock, C., Wakimoto, S., Birgeneau, R. J., Danilkin, S., Klenke, J., Smeibidl, P., Vorderwisch, P.
We present elastic neutron scattering results at high magnetic fields for Mg-doped CuGeO$_{3}$. For low magnesium concentrations, where a spin-Peierls phase is present, we find an enhancement of the long range antiferromagnetic order in the structura
Externí odkaz:
http://arxiv.org/abs/cond-mat/0407772
Autor:
Khaykovich, B., Birgeneau, R. J., Chou, F. C., Erwin, R. W., Kastner, M. A., Lee, S. -H., Lee, Y. S., Smeibidl, P., Vorderwisch, P., Wakimoto, S.
Publikováno v:
Phys. Rev. B 67, 054501 (2003)
We have measured the enhancement of the static incommensurate spin-density wave (SDW) order by an applied magnetic field in stage-4 and stage-6 samples of superconducting La2CuO(4+y). We show that the stage-6 La2CuO(4+y) (Tc=32 K) forms static long-r
Externí odkaz:
http://arxiv.org/abs/cond-mat/0209648
Autor:
Kenzelmann, M., Coldea, R., Tennant, D. A., Visser, D., Hofmann, M., Smeibidl, P., Tylczynski, Z.
Publikováno v:
Phys. Rev. B 65, 144432 (2002)
We explore the effects of noncommuting applied fields on the ground-state ordering of the quasi-one-dimensional spin-1/2 XY-like antiferromagnet Cs2CoCl4 using single-crystal neutron diffraction. In zero field interchain couplings cause long-range or
Externí odkaz:
http://arxiv.org/abs/cond-mat/0203070
Autor:
Lake, B, Ronnow, HM, Christensen, NB, Aeppli, G, Lefmann, K, McMorrow, DF, Vorderwisch, P, Smeibidl, P, Mangkorntong, N, Sasagawa, T, Nohara, M., Takagi, H., Mason, TE
Publikováno v:
Published in Nature volume 415 page 299 (2002)
One view of the cuprate high-transition temperature (high-Tc) superconductors is that they are conventional superconductors where the pairing occurs between weakly interacting quasiparticles, which stand in one-to-one correspondence with the electron
Externí odkaz:
http://arxiv.org/abs/cond-mat/0201349