Infrared behavior in systems with a broken continuous symmetry: Classical O(N) model versus interacting bosons

The Beliaev technique for a weakly interacting Bose gas

(2010) B Capogrosso-Sansone et al.   NEW JOURNAL OF PHYSICS

Functional renormalization-group approach to interacting bosons at zero temperature

(2010) Andreas Sinner et al.   PHYSICAL REVIEW A

Solutions of renormalization-group flow equations with full momentum dependence

(2009) F. Benitez et al.   PHYSICAL REVIEW E

Spectral Function and Quasiparticle Damping of Interacting Bosons in Two Dimensions

(2009) Andreas Sinner et al.   PHYSICAL REVIEW LETTERS

Unified Picture of Superfluidity: From Bogoliubov’s Approximation to Popov’s Hydrodynamic Theory

(2009) N. Dupuis   PHYSICAL REVIEW LETTERS

Functional renormalization for Bose-Einstein condensation

(2008) S. Floerchinger et al.   PHYSICAL REVIEW A

Functional renormalization for quantum phase transitions with nonrelativistic bosons

(2008) C. Wetterich   PHYSICAL REVIEW B