Gravitational wave bursts induced by r-mode spin-down of hybrid stars

被引：3

作者：

Drago, A ^{[1
]}

Pagliara, G

Berezhiani, Z

机构：

[1] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy

[2] Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy

[3] Univ Aquila, Dipartimento Fis, I-67010 Laquila, Italy

[4] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Laquila, Italy

来源：

ASTRONOMY & ASTROPHYSICS | 2006年 / 445卷 / 03期

关键词：

gravitational waves; equation of state; stars : neutron; stars : evolution; stars : rotation; stars : interiors;

D O I：

10.1051/0004-6361:20053276

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that sudden variations in the composition and structure of a hybrid star can be triggered by its rapid spin-down, induced by r-mode instabilities. The discontinuity of this process is due to the surface tension between hadronic and quark matter and in particular to the over-pressure needed to nucleate new structures of quark matter in the mixed phase. The consequent mini-collapses in the star can produce highly energetic gravitational wave bursts. The possible connection between the predictions of this model and the burst signal found by EXPLORER and NAUTILUS detectors during 2001 is also investigated.

引用

页码：1053 / 1060

页数：8

共 39 条

[1]

Abbott B, 2004, PHYS REV D, V69, DOI [10.1103/PhysRevD.69.122004, 10.1103/PhysRevD.69.082004]

[2] Strange stars as persistent sources of gravitational waves [J].

Andersson, N ;

Jones, DI ;

Kokkotas, KD .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2002, 337 (04) :1224-1232

[3] r-mode runaway and rapidly rotating neutron stars [J].

Andersson, N ;

Jones, DI ;

Kokkotas, KD ;

Stergioulas, N .

ASTROPHYSICAL JOURNAL, 2000, 534 (01) :L75-L78

[4] A new class of unstable modes of rotating relativistic stars [J].

Andersson, N .

ASTROPHYSICAL JOURNAL, 1998, 502 (02) :708-713

[5] Comments on the 2001 run of the EXPLORER/NAUTILUS gravitational wave experiment [J].

Astone, P ;

Babusci, D ;

Bassan, M ;

Bonifazi, P ;

Carelli, P ;

Cavallari, G ;

Coccia, E ;

Cosmelli, C ;

D'Antonio, S ;

Fafone, V ;

Frasca, S ;

Giordano, G ;

Marini, A ;

Minenkov, Y ;

Modena, I ;

Modestino, G ;

Moleti, A ;

Pallottino, GV ;

Pizzella, G ;

Quintieri, L ;

Rocchi, A ;

Ronga, F ;

Terenzi, R ;

Torrioli, G ;

Visco, M .

CLASSICAL AND QUANTUM GRAVITY, 2003, 20 (17) :S785-S788

[6] Bayesian model comparison applied to the Explorer-Nautilus 2001 coincidence data [J].

Astone, P ;

D'Agostini, G ;

D'Antonio, S .

CLASSICAL AND QUANTUM GRAVITY, 2003, 20 (17) :S769-S784

[7] Study of the coincidences between the gravitational wave detectors EXPLORER and NAUTILUS in 2001 [J].

Astone, P ;

Babusci, D ;

Bassan, M ;

Bonifazi, P ;

Carelli, P ;

Cavallari, G ;

Coccia, E ;

Cosmelli, C ;

D'Antonio, S ;

Fafone, V ;

Federici, G ;

Frasca, S ;

Giordano, G ;

Marini, A ;

Minenkov, Y ;

Modena, I ;

Modestino, G ;

Moleti, A ;

Pallottino, GV ;

Pizzella, G ;

Quintieri, L ;

Rocchi, A ;

Ronga, F ;

Terenzi, R ;

Torrioli, G ;

Visco, M .

CLASSICAL AND QUANTUM GRAVITY, 2002, 19 (21) :5449-5463

[8] Gravitational wave asteroseismology reexamined [J].

Benhar, O ;

Ferrari, V ;

Gualtieri, L .

PHYSICAL REVIEW D, 2004, 70 (12) :9

[9] Gamma-ray bursts from delayed collapse of neutron stars to quark matter stars [J].

Berezhiani, Z ;

Bombaci, I ;

Drago, A ;

Frontera, F ;

Lavagno, A .

ASTROPHYSICAL JOURNAL, 2003, 586 (02) :1250-1253

[10] RADIOACTIVITY IN STRANGE QUARK MATTER [J].

BERGER, MS ;

JAFFE, RL .

PHYSICAL REVIEW C, 1987, 35 (01) :213-225

← 1 2 3 4 →