Peter Orlovsky, a Life in Words

Nonperturbative QCD thermodynamics in the external magnetic field

“…It is the purpose of the present paper to extend our previous analysis of the qgp thermodynamics in MF, done in [8,9,10], including the dynamics of CC with the explicit form of the magnetic screening mass m D , generated by CC.…”

“…As will bee seen, we propose a simple generalization of the results [8,9,10], where the CC produces the mass M D , entering the final expressions in the combination m 2 q + m 2 D ≡M instead of m q . We check the limiting cases and compare the result with lattice data.…”

“…The resulting expressions for magnetic susceptibilitiesχ q (T ), obtained in [8], were used in [9,10] to compare with the lattice data from [11,12], and a reasonable agreement was found forχ q (T )with different q = u, d, s, in [9,10] as well as for the sum [10], however somewhat renormalised values of effective quark masses were used.…”

“…in the NJL-type models [5] and in the holographic approach [6,7]. Within the nonperturbative QCD the theory of qgp in MF was developed in [8,9,10], where the general form of the thermodynamic potentials was found in MF with zero or nonzero baryon density, summing over all Landau levels including LLL.…”

Group Decision Making with Incomplete Interval-valued Fuzzy Preference Relations Based on the Minimum Operator

“…In a decision making procedure, an expert mostly needs to compare a finite set of alternatives x i (i = 1, 2, ..., n) and construct an FPR [6,13,16,17]. However, an expert may have imprecise information for the preference degrees of one alternative over another and it may not always be possible to estimate his/her preference by means of an exact numerical value.…”