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Nodeless superconductivity in Ca3Ir4Sn13: evidence from quasiparticle heat transport
Nodeless superconductivity Ca3Ir4Sn13 evidence quasiparticle heat transport
2012/2/27
We report thermal conductivity measurements down to 50 mK on Ca$_3$Ir$_4$Sn$_{13}$ single crystals, in which superconductivity with $T_c \approx 7$ K was claimed to coexist with ferromagnetic spin-flu...
Evidence for electromagnetic granularity in polycrystalline Sm1111 iron-pnictides with enhanced phase purity
electromagnetic granularity enhanced phase purity
2010/11/19
We prepared polycrystalline SmFeAsO1-xFx (Sm1111) bulk samples by sintering and hot isostatic pressing (HIP) in order to study the effects of phase purity and relative density on the intergranular cur...
Evidence for a First Order, Finite Temperature Phase Transition in 8 Flavor QCD
Evidence First Order Finite Temperature Phase Transition
2011/1/13
As part of our ongoing investigations of QCD with many flavors of quarks, here we report on
studies of the finite temperature phase transition for eight-flavor QCD with the DBW2 gauge
action and na&...
Calorimetric Evidence for Nodes in the Overdoped Ba(Fe$_{0.9}$Co$_{0.1}$)$_{2}$As$_{2}$
Calorimetric Evidence
2010/11/25
We present low-temperature specific heat of the electron-doped Ba(Fe0.9Co0.1)2As2, which does
not show any indication of an upturn down to 400 mK, the lowest measuring temperature. The
lack of a Sch...
Experimental evidence of ageing and slow restoration of the weak-contact configuration in tilted 3D granular packings
Granular solids Nonlinear acoustic probing Avalanches
2010/11/19
Granular packings slowly driven towards their instability threshold are studied using a digital imaging technique as well as a nonlinear acoustic method. The former method allows us to study grain rea...