Items where Subject is "02 PHYSICAL SCIENCES > 0206 Quantum Physics > 020602 Field Theory and String Theory"
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Brown, Michael, Whittingham, Ian B., and Kosov, Daniel S. (2016) Linear response theory for symmetry improved two particle irreducible effective actions. Physical Review D, 93 (10). pp. 1-13.
Brown, Michael, and Whittingham, Ian (2015) Two-particle irreducible effective actions versus resummation: analytic properties and self-consistency. Nuclear Physics B, 900. pp. 477-500.
Brown, Michael J., and Whittingham, Ian B. (2015) Symmetry improvement of 3PI effective actions for O(N) scalar field theory. Physical Review D (Particles, Fields, Gravitation and Cosmology), 91 (8). pp. 1-27.