نتایج جستجو برای: planck
تعداد نتایج: 14843 فیلتر نتایج به سال:
The NIST watt balance experiment is being completely rebuilt after its 1998 determination of the Planck constant. That measurement yielded a result with an approximately 1×10(-7) relative standard uncertainty. Because the goal of the new incarnation of the experiment is a ten-fold decrease in uncertainty, it has been necessary to reexamine many sources of systematic error. Hysteresis effects ac...
R. Ketzmerick,1,2 K. Kruse,2,3 S. Kraut,3 and T. Geisel1,2 1Institute for Theoretical Physics, University of California, Santa Barbara, California 93106 2Max-Planck-Institut für Strömungsforschung und Institut für Nichtlineare Dynamik der Universität Göttingen, Bunsenstraße 10, D-37073 Göttingen, Germany* 3Institut für Theoretische Physik und SFB Nichtlineare Dynamik, Universität Frankfurt, D-6...
B. Alling,1,2,* F. Körmann,1,3 B. Grabowski,1 A. Glensk,1 I. A. Abrikosov,2,4 and J. Neugebauer1 1Max-Planck-Institut für Eisenforschung GmbH, D-402 37 Düsseldorf, Germany 2Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden 3Department of Materials Science and Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, Netherlands 4...
Nadia Boukhelifa, Télécom ParisTech & CNRS LTCI Mike Bryant, KCL Nataša Bulatović, Max Planck Digital Library, Max Planck Society Ivan Čukić, Faculty of Mathematics, University of Belgrade Jean-Daniel Fekete, INRIA Milica Knežević, Mathematical Institute of the Serbian Academy of Sciences and Arts Jörg Lehmann, Universität Bern David Stuart, KCL Carsten Thiel, Universität Göttingen, Niedersächs...
We considered the motion of DNA molecules through a hexagonal array under uniform electric fields as a Fokker-Planck process which is affected by the entropic barriers and we have simulated this motion by computer. We solved the Fokker-Planck equation with numerical simulation of the Brownian dynamics by the Euler method. For different DNA molecules, under different physical conditions, the mea...
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