Zobrazeno 1 - 10
of 212
pro vyhledávání: '"Westerkamp T"'
Autor:
Pfau, H., Daou, R., Lausberg, S., Naren, H. R., Brando, M., Friedemann, S., Wirth, S., Westerkamp, T., Stockert, U., Gegenwart, P., Krellner, C., Geibel, C., Zwicknagl, G., Steglich, F.
We investigate the magnetic field dependent thermopower, thermal conductivity, resistivity and Hall effect in the heavy fermion metal YbRh2Si2. In contrast to reports on thermodynamic measurements, we find in total three transitions at high fields, r
Externí odkaz:
http://arxiv.org/abs/1302.6867
Autor:
Friedemann, S., Wirth, S., Kirchner, S., Si, Q., Hartmann, S., Krellner, C., Geibel, C., Westerkamp, T., Brando, M., Steglich, F.
We present results of high-resolution, low-temperature measurements of the Hall coefficient, thermopower, and specific heat on stoichiometric YbRh2Si2. They support earlier conclusions of an electronic (Kondo-breakdown) quantum critical point concurr
Externí odkaz:
http://arxiv.org/abs/1010.3441
Publikováno v:
J. Phys.: Conf. Ser. 200, 012016 (2010)
The magnetic field dependence of the magnetisation ($M$) and the temperature dependence of the ac susceptibility ($\chi' = dM/dH$) of CePd(1-x)Rh(x) single crystals with $0.80 \leq x \leq 0.86$ are analysed within the frame of the quantum Griffiths p
Externí odkaz:
http://arxiv.org/abs/0910.5840
Autor:
Westerkamp, T., Deppe, M., Kuechler, R., Brando, M., Geibel, C., Gegenwart, P., Pikul, A. P., Steglich, F.
Publikováno v:
Phys. Rev. Lett. 102, 206404 (2009)
We report on a comprehensive study of CePd$_{1-x}$Rh$_x$ $(0.6 \leq x \leq 0.95)$ poly- and single crystals close to the ferromagnetic instability by means of low-temperature ac susceptibility, magnetization and volume thermal expansion. The signatur
Externí odkaz:
http://arxiv.org/abs/0905.4591
Autor:
Gegenwart, P., Westerkamp, T., Krellner, C., Tokiwa, Y., Paschen, S., Geibel, C., Steglich, F., Abrahams, E., Si, Q.
We report thermodynamic measurements in a magnetic-field-driven quantum critical point of a heavy fermion metal, YbRh$_2$Si$_2$. The data provide evidence for an energy scale in the equilibrium excitation spectrum, that is in addition to the one expe
Externí odkaz:
http://arxiv.org/abs/cond-mat/0604571
CePd_1-xRh_x alloys exhibit a continuous evolution from ferromagnetism (T_C= 6.5 K) at x = 0 to a mixed valence (MV) state at x = 1. We have performed a detailed investigation on the suppression of the ferromagnetic (F) phase in this alloy using dc-(
Externí odkaz:
http://arxiv.org/abs/cond-mat/0602588
Autor:
Gegenwart, P., Westerkamp, T., Krellner, C., Tokiwa, Y., Paschen, S., Geibel, C., Steglich, F., Abrahams, E., Si, Q.
Publikováno v:
Science, 2007 Feb . 315(5814), 969-971.
Externí odkaz:
https://www.jstor.org/stable/20039008
Publikováno v:
In Physica B: Physics of Condensed Matter 2008 403(5):1236-1238
Autor:
Gegenwart, P., Westerkamp, T., Krellner, C., Brando, M., Tokiwa, Y., Geibel, C., Steglich, F.
Publikováno v:
In Physica B: Physics of Condensed Matter 2008 403(5):1184-1188
Autor:
Friedemann, S.1 Sven.Friedemann@cpfs.mpg.de, Westerkamp, T.1, Brando, M.1, Oeschler, N.1, Wirth, S.1, Gegenwart, P.1,2, Krellner, C.1, Geibel, C.1, Steglich, F.1 Steglich@cpfs.mpg.de
Publikováno v:
Nature Physics. Jul2009, Vol. 5 Issue 7, p465-469. 5p. 5 Graphs.