The ^4He trimer as an Efimov system
Elena A. Kolganova, Alexander K. Motovilov, Werner Sandhas
TL;DR
This paper reviews four decades of research demonstrating that the helium-4 trimer exhibits Efimov physics, highlighting its significance as a real-world example of Efimov states.
Contribution
It provides a comprehensive review of experimental and theoretical evidence confirming Efimov states in the helium-4 trimer system.
Findings
Confirmation of Efimov states in helium-4 trimer
Experimental and theoretical agreement on Efimov physics
Helium-4 trimer as a key Efimov system
Abstract
We review the results obtained in the last four decades which demonstrate the Efimov nature of the He three-atomic system.
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