Pulsars as a probe for the nuclear and quark matter equation of state
Pulsars as a probe for the nuclear and quark matter equation of state
Pulsars as a probe for the nuclear and quark matter equation of state
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Constraints on <strong>the</strong> M<strong>as</strong>s–Radius Relation (Lattimer <strong>and</strong> Prak<strong>as</strong>h 2004)<br />
M<strong>as</strong>s (solar)<br />
2.5<br />
2.0<br />
1.5<br />
1.0<br />
GR<br />
P <<br />
causality<br />
AP3<br />
ENG<br />
AP4<br />
J1614-2230<br />
SQM3<br />
J1903+0327 FSU<br />
SQM1<br />
J1909-3744<br />
PAL6 GM3<br />
GS1<br />
Double NS Systems<br />
MPA1<br />
MS1<br />
PAL1<br />
MS2<br />
MS0<br />
0.5<br />
rotation<br />
Nucleons Nucleons+Exotic Strange Quark Matter<br />
0.0<br />
7 8 9 10 11 12 13 14 15<br />
Radius (km)<br />
spin rate from PSR B1937+21 <strong>of</strong> 641 Hz: R < 15.5 km <strong>for</strong> M = 1.4M ⊙<br />
Schwarzschild limit (GR): R > 2GM = R s<br />
causality limit <strong>for</strong> EoS: R > 3GM<br />
m<strong>as</strong>s limit from PSR J1614-2230 (red b<strong>and</strong>): M = (1.97±0.04)M ⊙<br />
– p.4
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