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Publications Influence

Exceptional solutions to the Bethe ansatz equations

- L. Avdeev, A. Vladimirov
- Physics
- 1 November 1986

The properties of some special solutions of the equations of the Bethe ansatz are investigated. Examples of nontrivial Bethe vectors corresponding to solutions with equal values of the spectral… Expand

38 6

A queer reduction of degrees of freedom

- L. Avdeev, M.V.Chizhov
- Physics
- 13 July 1994

The classical dynamics of antisymmetric second-rank tensor matter fields is analyzed. The conformally invariant action for the tensor field leads to a positive-definite hamiltonian on the class of… Expand

18 5- PDF

Renormalizations in supersymmetric and nonsupersymmetric non-abelian Chern-Simons field theories with matter

- L. Avdeev, D. Kazakov, I. Kondrashuk
- Physics
- 15 February 1993

Abstract We explicitly carry out the renormalization of non-abelian Chern-Simons field theories with matter in (2 + 1) dimensions. All the renormalization constants are calculated to the leading… Expand

86 4

Renormalizations in abelian Chern-Simons field theories with matter

- L. Avdeev, G. V. Grigoryev, D. Kazakov
- Physics
- 14 September 1992

Abstract We consider renormalizations in D = 3 abelian Chern-Simons field theories with matter. The anomalous dimensions and β-functions in a general renormalizable theory with the global SU( n )… Expand

86 4

O (aas2) correction to the electroweak ? parameter

- L. Avdeev, J. Fleischer, S. Mikhailov, O. Tarasov
- Physics
- 22 June 1994

The three-loop QCD contributions to the vacuum polarization functions of the Z and W bosons at zero momentum are calculated. The top quark is considered to be massive and the other quarks massless.… Expand

121 1- PDF

Pole masses of quarks in dimensional reduction

- L. Avdeev, M. Kalmykov
- Physics
- 16 January 1997

Abstract Pole masses of quarks in quantum chromodynamics are calculated to two-loop order in the framework of the regularization by dimensional reduction. For the diagram with a light quark loop, the… Expand

73 1- PDF

Dimensional Regularization and Supersymmetry

- L. Avdeev, A. Vladimirov
- Physics
- 13 June 1983

Abstract We examine in detail the techniques of supersymmetric dimensional regularization. A peculiar complementarity is found to be inherent in the regularization: its manifestly supersymmetric… Expand

102 1

Renormalizations in softly broken SUSY gauge theories

- L. Avdeev, D. Kazakov, I. Kondrashuk
- Physics, Engineering
- 18 September 1997

The supergraph technique for calculations in supersymmetric gauge theories where supersymmetry is broken in a "soft" way (without introducing quadratic divergencies) is reviewed. By introducing an… Expand

17 1- PDF

Antisymmetric tensor matter fields. An abelian model

- L. Avdeev, M. Chizhov
- Physics
- 27 January 1994

Abstract We present a simple renormalizable abelian gauge model which includes antisymmetric second-rank tensor fields as matter fields rather than gauge fields known for a long time. The free action… Expand

29 1

Solutions of the Bethe ansatz equations for XXX antiferromagnet of arbitrary spin in the case of a finite number of sites

The exactly integrable isotropic Heisenberg chain of N spins s is studied, and numerical solutions to the Bethe ansatz equations corresponding to the antiferromagnetic vacuum (for sN less than or… Expand

13 1

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