Some exact results on the QCD critical point

Yoshimasa Hidaka; Naoki Yamamoto

doi:10.1088/1742-6596/432/1/012017

Some exact results on the QCD critical point

Yoshimasa Hidaka, Naoki Yamamoto

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

3 Citations (Scopus)

Abstract

We show, in a model-independent manner, that the QCD critical point can appear only inside the pion condensation phase of the phase-quenched QCD as long as the contribution of flavor-disconnected diagrams is negligible. The sign problem is known to be maximally severe in this region, implying that the QCD critical point is reachable by the present lattice QCD techniques only if there is an enhancement of the flavor-disconnected contribution at finite baryon chemical potential.

Original language	English
Article number	012017
Journal	Journal of Physics: Conference Series
Volume	432
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/432/1/012017
Publication status	Published - 2013
Externally published	Yes
Event	10th Extreme QCD 2012, xQCD 2012 - Washington, DC, United States Duration: 2012 Aug 21 → 2012 Aug 23

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1088/1742-6596/432/1/012017

Cite this

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title = "Some exact results on the QCD critical point",

abstract = "We show, in a model-independent manner, that the QCD critical point can appear only inside the pion condensation phase of the phase-quenched QCD as long as the contribution of flavor-disconnected diagrams is negligible. The sign problem is known to be maximally severe in this region, implying that the QCD critical point is reachable by the present lattice QCD techniques only if there is an enhancement of the flavor-disconnected contribution at finite baryon chemical potential.",

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AU - Yamamoto, Naoki

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AB - We show, in a model-independent manner, that the QCD critical point can appear only inside the pion condensation phase of the phase-quenched QCD as long as the contribution of flavor-disconnected diagrams is negligible. The sign problem is known to be maximally severe in this region, implying that the QCD critical point is reachable by the present lattice QCD techniques only if there is an enhancement of the flavor-disconnected contribution at finite baryon chemical potential.

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M3 - Conference article

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VL - 432

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

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T2 - 10th Extreme QCD 2012, xQCD 2012

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Some exact results on the QCD critical point

Abstract

ASJC Scopus subject areas

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