Search Results - "Speck, T"

Fluctuation-dissipation theorem in nonequilibrium steady states by Seifert, U, Speck, T

“…In equilibrium, the fluctuation-dissipation theorem (FDT) expresses the response of an observable to a small perturbation by a correlation function of this…”
Get full text

Restoring a fluctuation-dissipation theorem in a nonequilibrium steady state by Speck, T, Seifert, U

“…In a nonequilibrium steady state, the violation of the fluctuation-dissipation theorem (FDT) is connected to breaking detailed balance. For the velocity…”
Get full text

Speaking valve with integrated biomimetic overpressure release and acoustic warning signal by Knorr, N., Auth, P., Kruppert, S., Stahl, C. A., Lücking, K. M., Tauber, F., Speck, T.

“…Speaking valves enable tracheostomy patients to speak naturally. However, improper use may cause dangerous overpressure, leading to severe complications or…”
Get full text

Thermodynamics of a colloidal particle in a time-dependent nonharmonic potential by Blickle, V, Speck, T, Helden, L, Seifert, U, Bechinger, C

“…We study the motion of an overdamped colloidal particle in a time-dependent nonharmonic potential. We demonstrate the first lawlike balance between applied…”
Get full text

Einstein relation generalized to nonequilibrium by Blickle, V, Speck, T, Lutz, C, Seifert, U, Bechinger, C

“…The Einstein relation connecting the diffusion constant and the mobility is violated beyond the linear response regime. For a colloidal particle driven along a…”
Get full text

Measurement of stochastic entropy production by Tietz, C, Schuler, S, Speck, T, Seifert, U, Wrachtrup, J

“…Using fluorescence spectroscopy we directly measure entropy production of a single two-level system realized experimentally as an optically driven defect…”
Get full text

Distribution of entropy production for a colloidal particle in a nonequilibrium steady state by Speck, T, Blickle, V, Bechinger, C, Seifert, U

“…For a colloidal particle driven by a constant force across a periodic potential, we investigate the distribution of entropy production both experimentally and…”
Get full text

Biomimetic cellular metals-using hierarchical structuring for energy absorption by Bührig-Polaczek, A, Fleck, C, Speck, T, Schüler, P, Fischer, S F, Caliaro, M, Thielen, M

“…Fruit walls as well as nut and seed shells typically perform a multitude of functions. One of the biologically most important functions consists in the direct…”
Get more information

Flectofin: a hingeless flapping mechanism inspired by nature by Lienhard, J, Schleicher, S, Poppinga, S, Masselter, T, Milwich, M, Speck, T, Knippers, J

“…This paper presents a novel biomimetic approach to the kinematics of deployable systems for architectural purposes. Elastic deformation of the entire structure…”
Get more information

A review of selected pumping systems in nature and engineering--potential biomimetic concepts for improving displacement pumps and pulsation damping by Bach, D, Schmich, F, Masselter, T, Speck, T

“…The active transport of fluids by pumps plays an essential role in engineering and biology. Due to increasing energy costs and environmental issues, topics…”
Get more information

Experimental test of the fluctuation theorem for a driven two-level system with time-dependent rates by SCHULER, S, SPECK, T, TIETZ, C, WRACHTRUP, J, SEIFERT, U

“…A single defect center in diamond periodically excited by a laser is shown to provide a simple realization for a system obeying a fluctuation theorem for…”
Get full text

Space-time phase transitions in driven kinetically constrained lattice models by Speck, T., Garrahan, J. P.

“… Kinetically constrained models (KCMs) have been widely used to study and understand the origin of glassy dynamics. These models show an ergodic-nonergodic…”
Get full text

Structure-function relationship of the foam-like pomelo peel (Citrus maxima)-an inspiration for the development of biomimetic damping materials with high energy dissipation by Thielen, M, Schmitt, C N Z, Eckert, S, Speck, T, Seidel, R

“…The mechanical properties of artificial foams are mainly determined by the choice of bulk materials and relative density. In natural foams, in contrast,…”
Get more information

Structural Development and Morphology of the Attachment System of Parthenocissus tricuspidata by Steinbrecher, T., Beuchle, G., Melzer, B., Speck, T., Kraft, O., Schwaiger, R.

“…The climbing Boston ivy (Parthenocissus tricuspidata) achieves permanent attachment through tendrils equipped with adhesive pads. The highly efficient…”
Get full text

Dissipated work in driven harmonic diffusive systems: General solution and application to stretching Rouse polymers by Speck, T., Seifert, U.

Get full text

Mobility and diffusion of a tagged particle in a driven colloidal suspension by Lander, B, Seifert, U, Speck, T

“…We study numerically the influence of density and strain rate on the diffusion and mobility of a single tagged particle in a sheared colloidal suspension. We…”
Get full text

Comparative Prey Spectra Analyses on the Endangered Aquatic Carnivorous Waterwheel Plant ( Aldrovanda vesiculosa , Droseraceae) at Several Naturalized Microsites in the Czech Republic and Germany by Horstmann, M, Heier, L, Kruppert, S, Weiss, L C, Tollrian, R, Adamec, L, Westermeier, A, Speck, T, Poppinga, S

“…The critically endangered carnivorous waterwheel plant ( , Droseraceae) possesses underwater snap traps for capturing small aquatic animals, but knowledge on…”
Get full text

Biomimetic optimisation of branched fibre-reinforced composites in engineering by detailed analyses of biological concept generators by Masselter, T, Hesse, L, Böhm, H, Gruhl, A, Schwager, H, Leupold, J, Gude, M, Milwich, M, Neinhuis, C, Speck, T

“…The aim of this study is the biomimetic optimisation of branched fibre-reinforced composites based on the detailed analysis of biological concept generators…”
Get more information

Root Anchorage of Saplings and Cuttings of Woody Pioneer Species in a Riparian Environment by Karrenberg, S., Blaser, S., Kollmann, J., Speck, T., Edwards, P. J.

“…1. The root anchorage ability of saplings and vegetative propagules may be decisive for persistence of woody pioneers in the highly disturbed habitat of…”
Get full text

Mechanical Architecture and Development in Clematis: Implications for Canalised Evolution of Growth Forms by Isnard, S., Speck, T., Rowe, N. P.

“…• Mechanical architectures of two Clematis species, the herbaceous perennial Clematis recta and the woody liana, Clematis vitalba, were investigated and…”
Get full text