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29 papers · 1 filter
The canonical approach to Finite Density QCD
Slavo Kratochvila, Philippe de Forcrand
We present a canonical approach to study properties of QCD at finite baryon density rho, and apply it to the determination of the phase diagram of four-flavour QCD. For a pion mass…
Unusual polymerization in the Li4C60 fulleride
M. Ricco, T. Shiroka, M. Belli +6
Li4C60, one of the best representatives of lithium intercalated fullerides, features a novel type of 2D polymerization. Extensive investigations, including laboratory x-ray and syn…
An algebraic geometry approach to nonlinear parametric optimization in control
Ioannis A. Fotiou, Philipp Rostalski, Bernd Sturmfels +1
We present a method for nonlinear parametric optimization based on algebraic geometry. The problem to be studied, which arises in optimal control, is to minimize a polynomial funct…
Logarithmic torus amplitudes
Michael Flohr, Matthias R. Gaberdiel
For the example of the logarithmic triplet theory at c=-2 the chiral vacuum torus amplitudes are analysed. It is found that the space of these torus amplitudes is spanned by the ch…
A sensitive search for CO J=1-0 emission in 4C 41.17: high-excitation molecular gas at z=3.8
Padeli Papadopoulos, Thomas Greve, Rob Ivison +1
We report sensitive imaging observations of the CO J=1-0 line emission in the powerful high-redshift radio galaxy 4C 41.17 (z=3.8) with the NRAO Very Large Array (VLA), conducted i…
Hysteretic memory effects in disordered magnets
Helmut G. Katzgraber, Gergely T. Zimanyi
We study the return point as well as the complementary point memory effects numerically with paradigmatic models for random magnets and show that already simple systems with Ising…