Triage of the sign problem

K. Splittorff; J. J.M. Verbaarschot

Triage of the sign problem

K. Splittorff
, J. J.M. Verbaarschot

Physics and Astronomy

University of Copenhagen

Research output: Contribution to journal › Conference article › peer-review

1 Scopus citations

Abstract

We discuss the sign problem in QCD at nonzero chemical potential and its relation with chiral symmetry breaking and the spectrum of the Dirac operator using the framework of chiral random matrix theory. We show that the Banks-Casher formula is not valid for theories with a sign problem and has to be replaced by an alternative mechanism that is worked out in detail for QCD in one dimension at nonzero chemical potential.

Original language	English
Pages (from-to)	4123-4137
Number of pages	15
Journal	Acta Physica Polonica B
Volume	38
Issue number	13 SPEC. ISS.
State	Published - 2007
Event	Conference on Random Matrix Theory From Fundamental Physics to Applications - Krakow, Poland Duration: May 2 2007 → May 6 2007

Cite this

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title = "Triage of the sign problem",

abstract = "We discuss the sign problem in QCD at nonzero chemical potential and its relation with chiral symmetry breaking and the spectrum of the Dirac operator using the framework of chiral random matrix theory. We show that the Banks-Casher formula is not valid for theories with a sign problem and has to be replaced by an alternative mechanism that is worked out in detail for QCD in one dimension at nonzero chemical potential.",

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journal = "Acta Physica Polonica B",

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note = "Conference on Random Matrix Theory From Fundamental Physics to Applications ; Conference date: 02-05-2007 Through 06-05-2007",

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T1 - Triage of the sign problem

AU - Splittorff, K.

AU - Verbaarschot, J. J.M.

PY - 2007

Y1 - 2007

N2 - We discuss the sign problem in QCD at nonzero chemical potential and its relation with chiral symmetry breaking and the spectrum of the Dirac operator using the framework of chiral random matrix theory. We show that the Banks-Casher formula is not valid for theories with a sign problem and has to be replaced by an alternative mechanism that is worked out in detail for QCD in one dimension at nonzero chemical potential.

AB - We discuss the sign problem in QCD at nonzero chemical potential and its relation with chiral symmetry breaking and the spectrum of the Dirac operator using the framework of chiral random matrix theory. We show that the Banks-Casher formula is not valid for theories with a sign problem and has to be replaced by an alternative mechanism that is worked out in detail for QCD in one dimension at nonzero chemical potential.

UR - https://www.scopus.com/pages/publications/38549155027

M3 - Conference article

AN - SCOPUS:38549155027

SN - 0587-4254

VL - 38

SP - 4123

EP - 4137

JO - Acta Physica Polonica B

JF - Acta Physica Polonica B

IS - 13 SPEC. ISS.

T2 - Conference on Random Matrix Theory From Fundamental Physics to Applications

Y2 - 2 May 2007 through 6 May 2007

ER -

Triage of the sign problem

Abstract

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