Epicurus said:What DOS do you want to calculate, phonon, electron...?
Dr Transport said:The DOS for a quantum dot is a series of delta functions, the derivation can be found in Koch's text
http://search.barnesandnoble.com/BookSearch/isbnInquiry.asp?z=y&EAN=9789812387561&itm=6
inha said:Well since a quantum dot is just a cluster of atoms yes, you can calculate it's DOS using DFT.
The DOS (Density of States) for a spherical quantum dot is a measure of the number of electronic states available per unit energy at a given energy level. It is a key parameter in understanding the electronic properties of a quantum dot.
The DOS for a spherical quantum dot can be calculated using the formula D(E) = (2/π) * (R/h)^3 * √(E-Ec), where R is the radius of the quantum dot, h is Planck's constant, E is the energy level, and Ec is the confinement energy.
The DOS for a spherical quantum dot can be affected by factors such as the size and shape of the dot, the material it is made of, and the presence of external fields or impurities.
The DOS for a spherical quantum dot is significantly different from that of a bulk material. In a bulk material, the DOS is continuous, while in a quantum dot, it is discrete and depends on the size and shape of the dot.
The DOS provides crucial information about the electronic states and energy levels available in a quantum dot. It can help in predicting the behavior of electrons in the dot and understanding its optical and electrical properties.