Thursday, April 4, 2013

1304.0782 (Y. Suhov et al.)

FK-DLR states of a quantum bose-gas    [PDF]

Y. Suhov, M. Kelbert
The paper focuses on infinite-volume bosonic states for a quantum particle system (a quantum gas) in $\bbR^d$. The kinetic energy part of the Hamiltonian is the standard Laplacian (with a Dirichlet's boundary condition at the border of a `box'). The particles interact with each other through a two-body finite-range potential depending on the distance between them and featuring a hard core of a positive diameter. We introduce a class of so-called FK-DLR functionals containing all limiting Gibbs states of the system. In the next paper we will prove that any FK-DLR functional is shift-invariant, regardless of whether it is unique or not.
View original: http://arxiv.org/abs/1304.0782

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