Quantum statics is meant to deal with time-independent aspects of quantum mechanics. In this chapter, static properties of quantum networks consisting of few subsystems (“nodes”) will be discussed. The nodes, specified by local SU(n) algebras, can be thought to stand for real spins (spin 1/2, spin 1, etc.) or any pseudospins like few-level systems such as molecules or number states of a quantized field (e.g. photons). Based on the generating operators of SU(n), Hamiltonians specifying such networks will be considered.
KeywordsHilbert Space Density Matrix Coherent State Entangle State Pure State
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