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Numerical sign problem

Known as: Sign problem 
The numerical sign problem in applied mathematics refers to the difficulty of numerically evaluating the integral of a highly oscillatory function of… 
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Related topics

Related topics

6 relations
Auxiliary field Monte CarloHubbard modelLattice QCDMonte Carlo integration

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2019
2019
Search of QCD phase transition points in the canonical approach of the NJL model
2016
2016
Anatomy of the sign-problem in heavy-dense QCD
QCD at finite densities of heavy quarks is investigated using the density-of-states method. The phase factor expectation value of… 
2014
2014
Lefschetz thimble Monte Carlo for many body theories: application to the repulsive Hubbard model away from half filling
Recently, a new method, based on stochastic integration on the surfaces of steepest descent of the action, was introduced to… 
2014
2014
Comparison of complex Langevin and mean field methods applied to effective Polyakov line models
Effective Polyakov line models, derived from SU(3) gauge-matter systems at finite chemical potential, have a sign problem. In… 
2013
2013
Monte Carlo study of strongly interacting degenerate fermions: A model for voltage-biased bilayer graphene
We formulate a model of Nf = 4 flavors of relativistic fermion in 2+1d in the presence of a chemical potential µ coupled to two… 
2012
2012
One-shot learning in the road sign problem
In this work, a one-shot learning solution to the t-maze road sign problem is presented. This problem consists in taking the… 
2012
2012
Investigating the sign problem for two-dimensional $\mathcal{N}=(2,2)$ and $\mathcal{N}=(8,8)$ lattice super Yang--Mills theories
Recently there has been some controversy in the literature concerning the existence of a fermion sign problem in the $\mathcal{N… 
Review
2008
Review
2008
Pacifying the Fermi-liquid: battling the devious fermion signs
The fermion sign problem is studied in the path integral formalism. The standard picture of Fermi liquids is first critically… 
Highly Cited
2007
Highly Cited
2007
The strongly interacting Quark Gluon Plasma, and the critical behaviour of QCD at imaginary chemical potential
We explore the highly non-perturbative hot region of the QCD phase diagram close to Tc by use of an imaginary chemical potential… 
2003
2003
Positivity and dense matter
We elaborate on previous results concerning the positivity of the Euclidean path integral measure for low-energy modes in dense… 
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