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Consortium of Swiss Academic Libraries

Completing Lorentz violating massive gravity at high energies

Blas, D. ; Sibiryakov, S.

In: Journal of Experimental and Theoretical Physics, 2015, vol. 120, no. 3, p. 509-524

Consortium of Swiss Academic Libraries

On Varifold Solutions of Two-Phase Incompressible Viscous Flow with Surface Tension

Yeressian, Karen

In: Journal of Mathematical Fluid Mechanics, 2015, vol. 17, no. 3, p. 463-494

Consortium of Swiss Academic Libraries

Evaporation from Wavy Porous Surfaces into Turbulent Airflows

Haghighi, Erfan ; Or, Dani

In: Transport in Porous Media, 2015, vol. 110, no. 2, p. 225-250

Université de Fribourg

Estimating glacier-bed overdeepenings as possible sites of future lakes in the de-glaciating Mont Blanc massif (Western European Alps)

Magnin, F. ; Haeberli, W. ; Linsbauer, Andreas ; Deline, P. ; Ravanel, L.

In: Geomorphology, 2020, vol. 350, p. 106913

De-glaciating high mountain areas result in new landscapes of bedrock and debris where permafrost can degrade, persist or even newly form in cases, and of new lakes in glacier bed overdeepenings (GBOs) becoming ice-free. These landscapes with new lakes in close neighborhood to over-steepened and perennially frozen slopes are prone to chain reaction processes (e.g. rock-ice avalanches into...

Université de Fribourg

Variations of the Herschel–Bulkley exponent reflecting contributions of the viscous continuous phase to the shear rate-dependent stress of soft glassy materials

Caggioni, Marco ; Trappe, Veronique ; Spicer, Patrick T.

In: Journal of Rheology, 2020, vol. 64, no. 2, p. 413–422

We explore the flow behavior of concentrated emulsions for which the viscosity of the continuous phase can be significantly varied by changing the temperature. The exponents obtained by fitting the shear rate-dependent stress with the popular Herschel–Bulkley (HB) model display a systematic dependence on the viscosity of the continuous phase, revealing that viscous dissipation via the...

Université de Fribourg

Nonequilibrium solid-solid phase transition in a lattice of liquid jets

Croccolo, Fabrizio ; Castellini, Stefano ; Scheffold, Frank ; Vailati, Alberto

In: Physical Review E, 2018, vol. 98, no. 6, p. 063104

Solid-solid phase transitions are commonly encountered at the atomic scale in alloys and in superatomic mesoscopic systems of colloidal particles. Here we investigate a solid-solid phase transition occurring at the macroscopic scale between lattices of liquid jets with different symmetries generated by convection in a horizontal layer of a binary liquid mixture. In the absence of a shear...