Abstract
It is shown that the Bose condensate of a low-density Bose gas whose interparticle interaction potential possesses a bound state is unstable. The modes with large momenta, of the order of the inverse radius of the bound state, are unstable. Their fluctuations grow exponentially in time.
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Pis’ma Zh. Éksp. Teor. Fiz. 64, No. 10, 678–683 (25 November 1996)
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Babichenko, V.S., Kozlov, A.N. Mechanism of the collapse of a low-density Bose gas with strong attraction. Jetp Lett. 64, 729–735 (1996). https://doi.org/10.1134/1.567289
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DOI: https://doi.org/10.1134/1.567289