Variational Resummation of $ε$-Expansions of Critical Exponents of Nonlinear O(N)-Symmetric $σ$-Model in $2+ε$ Dimensions

Details Variational Resummation of $ε$-Expansions of Critical Exponents of Nonlinear O(N)-Symmetric $σ$-Model in $2+ε$ Dimensions Variational Resummation of $ε$-Expansions of Critical Exponents of Nonlinear O(N)-Symmetric $σ$-Model in $2+ε$ Dimensions

1998-08-24

arxiv.org/abs/hep-th/9808145v2

Phys.Lett. A264 (2000) 357-365

Physics

High Energy Physics

High Energy Physics - Theory

Author Information under http://www.physik.fu-berlin.de/~kleinert/institution.html . Latest update of paper also at http://w

Scientific paper

10.1016/S0375-9601(99)00833-6

We develop a method for extracting accurate critical exponents from perturbation expansions of the O(n)-symmetric nonlinear sigma-model in D=2+ epsilon dimensions. This is possible by considering the epsilon-expansions in this model as strong-coupling expansions of functions of the variable tildevarepsilon = 2(4-D)/(D-2), whose first five weak-coupling expansion coefficients of powers of tildevarepsilon are known from varepsilon-expansions of critical exponents in O(n)-symmetric phi^4-theory in D=4-epsilon dimensions.

Affiliated with

Also associated with

No associations

Rating

Variational Resummation of $ε$-Expansions of Critical Exponents of Nonlinear O(N)-Symmetric $σ$-Model in $2+ε$ Dimensions does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Variational Resummation of $ε$-Expansions of Critical Exponents of Nonlinear O(N)-Symmetric $σ$-Model in $2+ε$ Dimensions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variational Resummation of $ε$-Expansions of Critical Exponents of Nonlinear O(N)-Symmetric $σ$-Model in $2+ε$ Dimensions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-531349