Vladimir Skokov
Western Michigan University
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Featured researches published by Vladimir Skokov.
Physical Review D | 2010
Vladimir Skokov; Bengt Friman; E. Nakano; K. Redlich; Bernd-Jochen Schaefer
We consider the thermodynamics of chiral models in the mean-field approximation and discuss the relevance of the (frequently omitted) fermion vacuum loop. Within the chiral quark-meson model and its Polyakov loop extended version, we show that the fermion vacuum fluctuations can change the order of the phase transition in the chiral limit and strongly influence physical observables. We compute the temperature-dependent effective potential and baryon-number susceptibilities in these models, with and without the vacuum term, and explore the cutoff and the pion mass dependence of the susceptibilities. Finally, in the renormalized model the divergent vacuum contribution is removed using dimensional regularization.
Physics Letters B | 2015
Adrian Dumitru; Larry McLerran; Vladimir Skokov
Abstract We show how angular asymmetries ∼ cos u2061 2 ϕ can arise in dipole scattering at high energies. We illustrate the effects due to anisotropic fluctuations of the saturation momentum of the target with a finite correlation length in the transverse impact parameter plane, i.e. from a domain-like structure. We compute the two-particle azimuthal cumulant in this model including both one-particle factorizable as well as genuine two-particle non-factorizable contributions to the two-particle cross section. We also compute the full BBGKY hierarchy for the four-particle azimuthal cumulant and find that only the fully factorizable contribution to c 2 { 4 } is negative while all contributions from genuine two, three and four-particle correlations are positive. Our results may provide some qualitative insight into the origin of azimuthal asymmetries in p + Pb collisions at the LHC which reveal a change of sign of c 2 { 4 } in high-multiplicity events.
Physical Review D | 2015
Vladimir Skokov
We analytically compute higher order cumulants of the azimuthal anisotropy,
Physics Letters B | 2014
Piotr Bozek; Adam Bzdak; Vladimir Skokov
{c}_{2}{2m}
Nuclear Physics | 2015
Adam Bzdak; Vladimir Skokov
, and corresponding
Physics Letters B | 2014
Shu Lin; Robert D. Pisarski; Vladimir Skokov
{v}_{2}{2m}
Physics Letters B | 2013
Adam Bzdak; Vladimir Skokov
at high transverse momentum in the dilute-dense limit. The dense target is considered in the framework of the McLerran-Venugopolan model. The absolute values of the harmonics
Journal of Physics: Conference Series | 2015
Daniel Berenyi; Sándor Varró; P. Lévai; Vladimir Skokov
{v}_{2}{2m}
European Physical Journal C | 2014
Kenji Morita; Vladimir Skokov; Bengt Friman; K. Redlich
of the azimuthal anisotropy are approximately equal,
Physics Letters B | 2015
Dániel Berényi; Sándor Varró; Vladimir Skokov; P. Lévai
|{v}_{2}{2m}|ensuremath{approx}|{v}_{2}{2{m}^{ensuremath{}}}|