Mass-radius constraints for compact stars and a critical endpoint

Blaschke D, Alvarez-Castillo DE, Benic S (2013)
In: Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013). .

Conference Paper | Published | English

No fulltext has been uploaded

Author
; ;
Abstract
We present two types of models for hybrid compact stars composed of a quarkcore and a hadronic mantle with an abrupt first order phase transition at theinterface which are in accordance with the latest astrophysical measurements oftwo 2 M_sun pulsars. While the first is a schematic one, the second one isbased on a QCD motivated nonlocal PNJL model with density-dependent vectorcoupling strength. Both models support the possibility of so called twincompact stars which have the same mass but different radius and internalstructure at high mass (~2 M_sun), provided they exhibit a large jump \Delta\epsilon in the energy density of the first order phase transition fulfilling\Delta \epsilon/\epsilon_crit > 0.6. We conclude that the measurement ofhigh-mass twin stars would support the existence of a first order phasetransition in symmetric matter at zero temperature entailing the existence of acritical end point in the QCD phase diagram.
Publishing Year
Conference
8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013)
Location
Napa, CA
Conference Date
2013-03-11 – 2013-03-15
PUB-ID

Cite this

Blaschke D, Alvarez-Castillo DE, Benic S. Mass-radius constraints for compact stars and a critical endpoint. In: Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013). 2013.
Blaschke, D., Alvarez-Castillo, D. E., & Benic, S. (2013). Mass-radius constraints for compact stars and a critical endpoint. Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013).
Blaschke, D., Alvarez-Castillo, D. E., and Benic, S. (2013). “Mass-radius constraints for compact stars and a critical endpoint” in Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013).
Blaschke, D., Alvarez-Castillo, D.E., & Benic, S., 2013. Mass-radius constraints for compact stars and a critical endpoint. In Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013).
D. Blaschke, D.E. Alvarez-Castillo, and S. Benic, “Mass-radius constraints for compact stars and a critical endpoint”, Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013), 2013.
Blaschke, D., Alvarez-Castillo, D.E., Benic, S.: Mass-radius constraints for compact stars and a critical endpoint. Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013). (2013).
Blaschke, David, Alvarez-Castillo, David E., and Benic, Sanjin. “Mass-radius constraints for compact stars and a critical endpoint”. Proceedings, 8th International Workshop on Critical Point and Onset of Deconfinement (CPOD 2013). 2013.
This data publication is cited in the following publications:
This publication cites the following data publications:

Export

0 Marked Publications

Open Data PUB

Sources

arXiv 1310.3803

Inspire 1258374

Search this title in

Google Scholar