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9 papers · 2 filters
Massive Integrable Soliton Theories
Timothy J. Hollowood, J. Luis Miramontes, Q-Han Park
Massive integrable field theories in dimensions are defined at the Lagrangian level, whose classical equations of motion are related to the ``non-abelian'' Toda field equatio…
O(1/N_f) Corrections to the Thirring Model in 2<d<4
Simon Hands
The Thirring model, that is, a relativistic field theory of fermions with a contact interaction between vector currents, is studied for dimensionalities 2<d<4 using the 1/N_f expan…
Orthogonal Decomposition of Some Affine Lie Algebras in Terms of their Heisenberg Subalgebras
L. A. Ferreira, D. I. Olive, M. V. Saveliev
In the present note we suggest an affinization of a theorem by Kostrikin et.al. about the decomposition of some complex simple Lie algebras into the algebraic sum of pai…
Quantum scattering of charged solitons in the complex sine-Gordon model
Nicholas Dorey, Timothy J. Hollwood
The scattering of charged solitons in the complex sine-Gordon field theory is investigated. An exact factorizable S-matrix for the theory is proposed when the renormalized coupling…
Calculation of Graviton Scattering Amplitudes using String-Based Methods
David C. Dunbar, Paul S. Norridge
Techniques based upon the string organisation of amplitudes may be used to simplify field theory calculations. We apply these techniques to perturbative gravity and calculate all o…
Lotka--Volterra Type Equations and their Explicit Integration
Jean-Loup Gervais, Mikhail V. Saveliev
In the present note we give an explicit integration of some two--dimensionalised Lotka--Volterra type equations associated with simple Lie algebras, other than the familiar c…