Erratum to: Boson bound states in the β-Fermi–Pasta–Ulam model

The original publication of this article (DOI: 10.1007/s12043-013-0610-8) which appeared in Pramana – J. Phys. 81(5), 839 (2013), unfortunately contains an error. The affiliation of the fourth author “Yang Liu” should have been Department of Basis, Air Force Early Warning Academy,Wuhan 430019, Hubei, China.

The authors apologize for this error.