Abstract
Using the renormalization methods we show that the symmetry breaking in the quantum Widom–Rowlison model of particles obeying Boltzmann statistics occurs at any value of the inverse temperature β>0 once the activity of the particles is sufficiently large.
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Ioffe, D. A Note on the Quantum Widom–Rowlison Model. Journal of Statistical Physics 106, 375–384 (2002). https://doi.org/10.1023/A:1013192600850
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DOI: https://doi.org/10.1023/A:1013192600850