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> (2002) What can we learn from scaling?
VAL
Дата 5.03.2019 22:16
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(2002) What can we learn from scaling?
Источник: https://nanoelectronics.unibas.ch/wordpress...rom-scaling.pdf

Автор: Christian Schonenberger (Institute of Physics and Center of Nanoscience (NCCR), University of Basel, Klingelbergstr. 82, Switzerland)

QUOTE
I.   INTRODUCTION

Any physical system obeys some laws, the acceleration of a body is determined by the its mass and the for ceacting on the body.   The corresponding law,  New-ton’s law, applies to many systems of different size,i.e.  to the motion of planets within our stellar system, to human beings, to a tennis ball, and within some limitations, even to the motion of a collection of atoms. Not every law remains valid over a large span of length scales.  Nonetheless, one can learn a lot by asking how different quantities scale, i.e. how a quality such as the mass, velocity, etc. depends on the size of the object under consideration, down to the nanoworld or even atomic scale, the scaling approach is useful to understand the very new problems we may be facing at the smaller size regime.  Here, I would like to illustrate scaling using examples primarily from mechanics.


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VAL
Дата 23.03.2020 17:48
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