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Title Charged rho-meson condensation in neutron stars Author info Evgeni E. Kolomeitsev, K. A. Maslov ... [et al.] Author Kolomeitsev Evgeni E. 1970- (34%) UMBFP06 - Katedra fyziky
Co-authors Maslov K. A. (33%)
Voskresensky Dmitri (33%)
Source document Nuclear Physics A. Vol. 970, (2018), pp. 291-315. - Amsterdam : Elsevier B.V., 2018 Keywords neutron stars equation of state condensation Language English Country Netherlands systematics 53 Annotation We extend relativistic mean-field models with hadron masses and meson–baryon coupling constants dependent on the scalar field σ, including hyperons and (1232)baryons, to incorporate a possibility of the charged ρmeson condensation in neutron star matter. The influence of the ρ−condensation on the equation of state proves to be strongly model dependent. In our models of one type (KVORcut-based ones) the ρ−condensation arises by a second-order phase transition above a critical density and the maximum value of the neutron star mass diminishes only slightly. The matter composition changes more significantly. In our models of other type (MKVOR*-based ones), if the system is considered at fixed density, the ρ−condensation arises by a second-order phase transition at the baryon density n =n(II)c,ρand at a slightly higher density n =n(I)c,ρthere occurs a first-order phase transition. In a neutron star matter starting with a density n <n(II)c,ρthere appears a region of a mixed phase, or the system is described by Maxwell construction, that results in a substantial decrease of the value of the maximum neutron star mass. Nevertheless in the models under consideration the observational constraint on the maximum neutron star mass is fulfilled. Besides, in MKVOR*-based models the appearance of the ρ−condensate is accompanied by a strong rearrangement of the matter composition. Dependence of the results on a choice of the ρmeson scaling functions for the effective ρmeson mass and coupling constants is also investigated URL Link na plný text Public work category ADC No. of Archival Copy 43905 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ References PERIODIKÁ-Súborný záznam periodika Title Syntactic Analysis of English Business Letters Author info Mária Hardošová Author Hardošová Mária 1953- (100%) UMBFH06 - Katedra anglistiky a amerikanistiky
Source document Theories in practice : proceedings of the First International Conference on English and American Studies, September 9, 2009, Tomas Bata University in Zlín, Czech Republic. S. 77-82. - Zlín : Univerzita Tomáše Bati, 2010 / Trušník Roman ; Nemčoková Katarína ; Bell Gregory Jason Keywords obchodná korešpondencia - commercial correspondence - business corresponence syntactic means compound and complex sentences embedded clauses non-finite clauses condensation Language English Country Czech Republic systematics 811.111 Annotation Príspevok sa zaoberá syntaktickou analýzou anglických obchodných listov. Na základe výskumu sa poukazuje na jednotlivé typy súvetí ako aj na frekventované podraďovacie súvetia s neurčitou vedľajšou vetou, ktoré slúžia prevažne na kondenzáciu textu v obchodnej korešpondencii. Public work category AFC No. of Archival Copy 15129 Repercussion category VALLOVÁ, Elena. French Influence on Legal English. In Jazykovyje processy v diskurse : meždunarodnyj sbornik naučnych statej. Samara : Samarskij gosudarstvennyj universitet, 2013. ISBN 978-5-86465-599-3, s. 25-34.
Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ Title T-c for homogeneous dilute Bose gases Subtitle a second-order result Author info Peter Arnold, Guy Moore, Boris Tomášik Author Arnold Peter (34%)
Co-authors Moore Guy (33%)
Tomášik Boris 1972- (33%) UMBFP06 - Katedra fyziky
Source document Physical Review A : covering atomic, molecular, and optical physics and quantum information. 013606. - Maryland : American Physical Society, 2002 Keywords condensation fyzika - physics Language English Country United States of America systematics 53 Annotation The transition temperature for a dilute, homogeneous, three-dimensional Bose gas has the expansion T-c = T-0{1 + c(1)an(1/3) + [c(2)' 1n(an(1/3)) + c(2)"]a(2)n(2/3) + O(a(3)n)}, where a is the scattering length, n the number density, and T-0 the ideal gas result. The first-order coefficient c(1) depends on nonperturbative physics. In this paper, we show that the coefficient c(2)' may be computed perturbatively. We also show that the remaining second-order coefficient c(2)" depends on non-perturbative physics but may be related, by a perturbative calculation, to quantities that have previously been measured using lattice simulations of three-dimensional O(2) scalar field theory. Making use of those simulation results, we find T(c)similar or equal toT(0){1 + (1.32+/-0.02) an(1/3) + [19.7518 1n(an(1/3)) + (75.7+/-0.4)]a(2)n(2/3) + O(a(3)n)}. Public work category ADC No. of Archival Copy 40174 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ References PERIODIKÁ-Súborný záznam periodika Title T-c for trapped dilute Bose gases Subtitle a second-order result Author info Peter Arnold, Boris Tomášik Author Arnold Peter (50%)
Co-authors Tomášik Boris 1972- (50%) UMBFP06 - Katedra fyziky
Source document Physical Review A : covering atomic, molecular, and optical physics and quantum information. Vol. 64, no. 5 (2001), pp. [1-21]. - Maryland : American Physical Society, 2001 Keywords condensation fyzika - physics Language English Country United States of America systematics 53 Annotation For some time, the theoretical result for the transition temperature of a dilute three-dimensional Bose gas in an arbitrarily wide harmonic trap has been known to first order in the interaction strength. We extend that result to second order. The first-order result for a gas trapped in a harmonic potential can be computed in mean-field theory (in contrast to the first-order result for a uniform gas, which cannot). We show that, at second order, perturbation theory suffices for relating the transition temperature to the chemical potential at the transition, but the chemical potential is nonperturbative at the desired order. The necessary information about the chemical potential can be extracted, however, from recent lattice simulations of uniform Bose gases. Public work category ADC No. of Archival Copy 40175 Catal.org. BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici Database xpca - PUBLIKAČNÁ ČINNOSŤ References PERIODIKÁ-Súborný záznam periodika