\noindent{\bf Mathematisches Oberseminar} {\it PDG und
Spektraltheorie} (WiSe 2014/15).

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\noindent{\bf Date:} 13.11.2014.

\noindent{\bf Time and place:} 14:15 in B 134.

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\noindent{\bf Speaker:} Phan Th{\`a}nh Nam (IST Austria).

\noindent{\bf Titel:} {\it Many-body Gibbs states of bosons in a mean-field limit.}


\noindent{\bf Abstract:}

\noindent We consider many-body Gibbs states of bosons in a mean-field
limit where the temperature $T$ diverges and the interaction behaves as
$1/T$. We will show that in the limit the free energy and the reduced
density matrices of the Gibbs states can be characterized using an
effective one-body Gibbs measure. 

\noindent This is joint work with M. Lewin and N.
Rougerie.

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Thomas {\O}stergaard S{\o}rensen

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