Chiral and deconfinement properties of the QCD crossover have a different volume and baryochemical potential dependence Article Swipe
Ludovica Pirelli
,
Szabolcs Borsányi
,
Zoltán Fodor
,
Ruben Kara
,
Paolo Parotto
,
Attila Pásztor
,
Jana N. Guenther
,
Chik Him Wong
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.22323/1.466.0155
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.22323/1.466.0155
The crossover from hadronic to quark matter is understood to be both a deconfinement as well as a chiral symmetry restoring transition. Here, we study observables related to both aspects using lattice simulations: the Polyakov loop and its derivatives and the chiral condensate and its derivatives. At zero baryochemical potential, and infinite volume, the chiral and deconfinement crossover temperatures almost agree. However, chiral and deconfinement related observables have a qualitatively different chemical potential and volume dependence. In general, deconfinement related observables have a milder volume dependence. Furthermore, while the deconfinement transition appears to get broader with increasing $\mu_B$ , the width as well as the strength of the chiral transition is approximately constant. Our results are based on simulations at zero and imaginary chemical potentials using 4stout-improved staggered fermions with $N_{\tau}$ = 12 time-slices and physical quark masses.
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Chiral and deconfinement properties of the QCD crossover have a different volume and baryochemical potential dependenceWork title
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articleOpenAlex work type
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2025Year of publication
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2025-02-13Full publication date if available
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Ludovica Pirelli, Szabolcs Borsányi, Zoltán Fodor, Ruben Kara, Paolo Parotto, Attila Pásztor, Jana N. Guenther, Chik Him WongList of authors in order
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greenOpen access status per OpenAlex
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Deconfinement, Crossover, Quantum chromodynamics, Volume (thermodynamics), Physics, Condensed matter physics, Materials science, Particle physics, Thermodynamics, Computer science, Artificial intelligenceTop concepts (fields/topics) attached by OpenAlex
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