9 research outputs found
Correlation functions for a strongly correlated boson system
The correlation functions for a strongly correlated exactly solvable
one-dimensional boson system on a finite chain as well as in the thermodynamic
limit are calculated explicitly. This system which we call the phase model is
the strong coupling limit of the integrable q-boson hopping model. The results
are presented as determinants.Comment: 27 pages LaTe
The q-deformed Bose gas: Integrability and thermodynamics
We investigate the exact solution of the q-deformed one-dimensional Bose gas
to derive all integrals of motion and their corresponding eigenvalues. As an
application, the thermodynamics is given and compared to an effective field
theory at low temperatures.Comment: 10 pages, 6 figure