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Creators/Authors contains: "Guenther, Jana N"

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  1. ; ; ; ; ; ; ; (, EPJ Web of Conferences)
    Bellwied, R; Geurts, F; Rapp, R; Ratti, C; Timmins, A; Vitev, I (Ed.)
    The equation of state of Quantum Chromodynamics has been in recent years the focus of intense effort from first principle methods, mostly lattice simulations, with particular interest to the finite baryon density regime. Because of the sign problem, various extrapolation methods have been used to reconstruct bulk properties of the theory up to as far asμB=T≃ 3:5. However, said efforts rely on the equation of state at vanishing baryon density as an integration constant, which up toμB=T≃ 2 - 2:5 proves to be the dominant source of uncertainty at the level of precision currently available. In this contribution we present the update of our equation of state at zero net baryon density from 2014, performing a continuum limit from lattices with Nτ = 8; 10; 12; 16. We show how the improved precision is translated in a lower uncertainty on the extrapolated equation of state at finite chemical potential. 
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  2. ; ; ; ; ; ; ; (, EPJ Web of Conferences)
    Kim, Y.; Moon, D.H. (Ed.)
    In this contribution we present a resummation of the Quantum Chromodynamics (QCD) equation of state from lattice simulations at imaginary chemical potentials. We generalize the scheme introduced in a previous work [1], to the case of non-zero strangeness chemical potential. We present continuum extrapolated results for thermodynamic observables in the temperature range 130MeV ≤ T ≤ 280 MeV, for chemical potentials up to μ B / T = 3:5, along the strangeness neutral line. Furthermore, we relax the constraint of strangeness neutrality, by extrapolating to small values of the strangeness-to-baryon-number ratio R = n S / n B . 
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  3. ; ; ; ; ; ; ; (, Physical Review D)
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  4. ; ; ; ; ; ; ; ; ; (, PoS LATTICE2021)
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  5. ; ; ; ; ; ; ; ; (, EPJ Web of Conferences)
    David, G.; Garg, P.; Kalweit, A.; Mukherjee, S.; Ullrich, T.; Xu, Z.; Yoo, I.-K. (Ed.)
    The Taylor expansion approach to the equation of state of QCD at finite chemical potential struggles to reach large chemical potential μ B . This is primarily due to the intrinsic diffculty in precisely determining higher order Taylor coefficients, as well as the structure of the temperature dependence of such observables. In these proceedings, we illustrate a novel scheme [1] that allows us to extrapolate the equation of state of QCD without suffering from the poor convergence typical of the Taylor expansion approach. We continuum extrapolate the coefficients of our new expansion scheme and show the thermodynamic observables up to μ B / T ≤ 3.5. 
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  6. ; ; ; ; ; ; ; ; ; (, Physical Review D)
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  7. ; ; ; ; ; ; ; ; ; ; et al (, Progress in Particle and Nuclear Physics)
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  8. ; ; ; ; ; ; ; ; (, Nuclear Physics A)
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  9. ; ; ; ; ; ; ; ; (, Physical Review Letters)
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  10. ; ; ; ; ; ; ; ; ; (, Journal of Physics: Conference Series)
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