Superelastic behavior of single crystalline Ni₄₈Fe₂₀Co₅Ga₂₇ micro-pillars near austenite–martensite critical point

Thermoelectric behavior near the magnetic quantum critical point

We use the coupled two-dimensional spin–three-dimensional fermion model proposed by Rosch et al. @Phys. Rev. Lett. 79, 159 ~1997!# to study the thermoelectric behavior of a heavy-fermion compound when it is close to an antiferromagnetic quantum critical point. When the low-energy spin fluctuations are quasi-twodimensional, as has been observed in YbRh2Si2 and CeCu62xAux , with a typical two-dim...

Relaxing near the Critical Point

Critical slowing down of the relaxation of the order parameter has phenomenological consequences in early universe cosmology and in ultrarelativistic heavy ion collisions. We study the relaxation rate of long-wavelength fluctuations of the order parameter in an O(N) scalar theory near the critical point to model the non-equilibrium dynamics of critical fluctuations near the chiral phase transit...

and near the critical point

We have extended our method of grouping of Feynman diagrams (GFD theory) to study the transversal and longitudinal Greens functions G ⊥ (k) and G (k) in ϕ 4 model below the critical point (T < T c) in presence of an infinitesimal external field. Our method allows a qualitative analysis not cutting the perturbation series. We have shown that the critical behavior of the Greens functions is consi...

Plasticity of Nano- and Micro-pillars

We review unique mechanisms of plastic deformation in nanoand micropillars. At the nanoscale, it is shown that plastic deformation is asymmetric with respect to direction of mechanical loading, as a result of specific relationships between the normal and resolved shear stress on active slip planes. This is attributed to the dependence of shear wave speed on the stress state acting on slip plane...

Quality factors of nonideal micro pillars