98-751 J.-B. Bru, V. A. Zagrebnov
Exactly soluble model with two kinds of Bose-Einstein condensations (110K, LATeX 2e) Dec 14, 98
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Abstract. We present a simple exactly soluble model which manifests two kinds of Bose-Einstein condensations, a non-conventional one due to a diagonal perturbation of the perfect Bose-gas and a conventional one corresponding to the standard mechanism of saturation.

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