An effective lagrangian approach to the quark-hadron phase boundary

John Ellis; Keith A. Olive

doi:10.1016/0370-2693(91)90987-2

An effective lagrangian approach to the quark-hadron phase boundary

John Ellis, Keith A. Olive

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We consider an effective lagrangian approach to the quark-hadron phase transition at both finite temperature T and finite baryon chemical potential μ. In addition to the pressure equilibrium point (T_c, μ_c), we find critical points (T_x, μ_x) in the phase diagram beyond which the hadron phase no longer exists. We find a substantial (model-dependent) region of super-heated hadron phase between (T_c, μ_c) and (T_x, μ_x). This may have important consequences for searches for quark matter in heavy-ion collisions.

Original language	English (US)
Pages (from-to)	173-178
Number of pages	6
Journal	Physics Letters B
Volume	260
Issue number	1-2
DOIs	https://doi.org/10.1016/0370-2693(91)90987-2
State	Published - May 9 1991

Bibliographical note

Funding Information:
We would like to thank B. Campbell and J. Kapusta for useful discussions. K.A.O. would like to thank LAPP, where much of this work was done, for its hospitality. The work of K.A.O. was supported in part by DOE grant DE-AC02-83ER-40105 and by a Presidential Young Investigator Award.

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title = "An effective lagrangian approach to the quark-hadron phase boundary",

abstract = "We consider an effective lagrangian approach to the quark-hadron phase transition at both finite temperature T and finite baryon chemical potential μ. In addition to the pressure equilibrium point (Tc, μc), we find critical points (Tx, μx) in the phase diagram beyond which the hadron phase no longer exists. We find a substantial (model-dependent) region of super-heated hadron phase between (Tc, μc) and (Tx, μx). This may have important consequences for searches for quark matter in heavy-ion collisions.",

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N2 - We consider an effective lagrangian approach to the quark-hadron phase transition at both finite temperature T and finite baryon chemical potential μ. In addition to the pressure equilibrium point (Tc, μc), we find critical points (Tx, μx) in the phase diagram beyond which the hadron phase no longer exists. We find a substantial (model-dependent) region of super-heated hadron phase between (Tc, μc) and (Tx, μx). This may have important consequences for searches for quark matter in heavy-ion collisions.

AB - We consider an effective lagrangian approach to the quark-hadron phase transition at both finite temperature T and finite baryon chemical potential μ. In addition to the pressure equilibrium point (Tc, μc), we find critical points (Tx, μx) in the phase diagram beyond which the hadron phase no longer exists. We find a substantial (model-dependent) region of super-heated hadron phase between (Tc, μc) and (Tx, μx). This may have important consequences for searches for quark matter in heavy-ion collisions.

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An effective lagrangian approach to the quark-hadron phase boundary

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