Mesoscopic physics
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High Quality Content by WIKIPEDIA articles! Mesoscopic physics is a sub-discipline of condensed matter physics which deals with materials that have a relatively intermediate length scale which can be described as being between the size of a quantity of atoms (molecule) and materials measuring microns (bulk material). The lower limit can also be defined as the size of individual atoms. Mesoscopic and macroscopic objects have in common that they both contain a large number of atoms. Where average properties derived from constituent materials describe the macroscopic object as it usually obeys th...
High Quality Content by WIKIPEDIA articles! Mesoscopic physics is a sub-discipline of condensed matter physics which deals with materials that have a relatively intermediate length scale which can be described as being between the size of a quantity of atoms (molecule) and materials measuring microns (bulk material). The lower limit can also be defined as the size of individual atoms. Mesoscopic and macroscopic objects have in common that they both contain a large number of atoms. Where average properties derived from constituent materials describe the macroscopic object as it usually obeys the laws of classical mechanics, the mesoscopic object, instead, is affected by fluctuations around the average, and is subject to quantum mechanics. In other words, a macroscopic device, when scaled down to a meso-size, starts revealing quantum mechanical properties. For example, at the macroscopic level, the conductance of a wire increases continuously with its diameter, at the mesoscopic level the wire's conductance is quantized - the increases occur in discrete steps.
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