Abstract
These lectures provide an introduction to lattice gauge theory calculations of the properties of strongly interacting matter at high temperatures and densities. Such an environment is produced in heavy ion collisions and was most likely present in the early universe. Emphasis is placed, not on formalism, rather on an intuitive understanding of the nature of the crossover from the confined, chiral-symmetry-broken phase to the deconfined, chiral-symmetry-restored phase. Illustrations are taken from results of recent numerical simulations. Connections with phenomenology are discussed.
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Notes
- 1.
Note that the fermion field has been rescaled by a factor \(\sqrt{2\kappa }\) relative to the notation of chapter “Lattice QCD: A Brief Introduction”. This normalization is convenient for numerical implementations.
- 2.
Recent proceedings of the Lattice conference series are published by SISSA: http://pos.sissa.it/ and can be found under the search term “Lattice Field Theory.”
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Acknowledgements
I thank the organizers of the summer school for their hospitality and excellent organization. I am grateful to Ludmila Levkova for critical comments.
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DeTar, C. (2015). High Temperature and Density in Lattice QCD. In: Lin, HW., Meyer, H. (eds) Lattice QCD for Nuclear Physics. Lecture Notes in Physics, vol 889. Springer, Cham. https://doi.org/10.1007/978-3-319-08022-2_6
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