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QUANTUM GASES

Bogoliubov’s correlations confirmed

Interacting quantum systems are difficult to formulate theoretically, but Nikolai Bogoliubov offered a workaround more than 70 years ago that has stood the test of time. Now, correlations that are a crucial feature of his theory have been observed.

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Fig. 1: Bogoliubov correlations in a Bose–Einstein condensate.

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Correspondence to A. G. Truscott.

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Hodgman, S.S., Truscott, A.G. Bogoliubov’s correlations confirmed. Nat. Phys. 17, 1289–1290 (2021). https://doi.org/10.1038/s41567-021-01406-w

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