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9 papers · 2 filters
Effective String Theory and QCD Scattering Amplitudes
Yuri Makeenko
QCD string is formed at the distances larger than the confinement scale and can be described by the Polchinski--Strominger effective string theory with a nonpolynomial action, whic…
A direct proof of AGT conjecture at beta = 1
A. Mironov, A. Morozov, Sh. Shakirov
The AGT conjecture claims an equivalence of conformal blocks in 2d CFT and sums of Nekrasov functions (instantonic sums in 4d SUSY gauge theory). The conformal blocks can be presen…
Brezin-Gross-Witten model as "pure gauge" limit of Selberg integrals
A. Mironov, A. Morozov, Sh. Shakirov
The AGT relation identifies the Nekrasov functions for various N=2 SUSY gauge theories with the 2d conformal blocks, which possess explicit Dotsenko-Fateev matrix model (beta-ensem…
Notes on chiral hydrodynamics within effective theory approach
A. V. Sadofyev, V. I. Shevchenko, V. I. Zakharov
We address the issue of evaluating chiral effects (such as the newly discovered chiral separation) in hydrodynamic approximation. The main tool we use is effective theory which def…
On form factors in N=4 sym
L. V. Bork, D. I. Kazakov, G. S. Vartanov
In this paper we study the form factors for the half-BPS operators and the stress tensor supermultiplet current up to the second orde…
The chiral magnetic effect in hydrodynamical approach
A. V. Sadofyev, M. V. Isachenkov
In quark-gluon plasma nonzero chirality can be induced by the chiral anomaly. When a magnetic field is applied to a system with nonzero chirality an electromagnetic current is indu…