Developments in lattice quantum chromodynamics for matter at high temperature and density
Dec 3, 201313 pages
Published in:
- Pramana 84 (2015) 5, 787-799
- Published: May 6, 2015
e-Print:
- 1312.0968 [hep-lat]
View in:
Citations per year
Abstract: (Springer)
A brief overview of the QCD phase diagram at nonzero temperature and density is provided. It is explained why standard lattice QCD techniques are not immediately applicable for its determination, due to the sign problem. A selection of recent lattice approaches that attempt to evade the sign problem are then discussed and classified according to the underlying principle: constrained simulations (density of states, histograms), holomorphicity (complex Langevin, Lefschetz thimbles), partial summations (clusters, subsets, bags) and change in integration order (strong coupling, dual formulations).Note:
- 12 pages, invited review for Pramana; reference added
- 11.15.Ha
- 12.38.Mh
- Lattice quantum chromodynamics
- finite density
- sign problem.
- quantum chromodynamics: critical phenomena
- temperature: high
- density
- lattice field theory
- strong coupling
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