Abstract
In this chapter we review the most important concepts of the theory of ultracold bosons. We begin with the many-body Hamiltonian, its different representations and show how the Schrödinger equation can be obtained from to the time-dependent variational principle. The representation of a many-body wave function in a finite basis set and its implications are discussed.
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Sakmann, K. (2011). General Theory. In: Many-Body Schrödinger Dynamics of Bose-Einstein Condensates. Springer Theses. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-22866-7_2
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DOI: https://doi.org/10.1007/978-3-642-22866-7_2
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