THE EFFECT OF PION-CONDENSATION ON SUPERFLUIDITY IN NEUTRON-STARS

被引:1
|
作者
FENYI, B
KOVACS, TG
LOVAS, I
SAILER, K
机构
[1] Dept. of Theor. Phys., Lajos Kossuth Univ., Debrecen
关键词
D O I
10.1088/0954-3899/18/6/006
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
We study the effect of pion condensation on the energy gap of superfluid neutron matter. The neutron energy spectrum is determined in a Walecka-type model in the mean-field approximation. This spectrum is inserted into the BCS model to calculate the energy gap for singlet pairing superfluid neutron matter. With this procedure we calculate the energy gap for pion condensed and normal matter at various densities. It turns out that in the superfluid density region thc pion condensation is too weak to modify the energy gap significantly.
引用
收藏
页码:1051 / 1061
页数:11
相关论文
共 50 条
  • [1] EFFECT OF PION-CONDENSATION ON KEPLERIAN ANGULAR FREQUENCY OF ROTATING NEUTRON-STARS
    TAKATSUKA, T
    [J]. PROGRESS OF THEORETICAL PHYSICS, 1991, 85 (02): : 175 - 180
  • [2] PION-CONDENSATION AND DYNAMICS OF NEUTRON STARS
    MIGDAL, AB
    CHERNOUTSAN, AI
    MISHUSTIN, IN
    [J]. PHYSICS LETTERS B, 1979, 83 (02) : 158 - 160
  • [3] CALCULATION OF MODEL NEUTRON STARS WITH PION-CONDENSATION
    BEREZIN, YA
    DMITRIEVA, OE
    YANENKO, NN
    [J]. SOVIET ASTRONOMY LETTERS, 1982, 8 (01): : 43 - 45
  • [4] NUCLEON SUPERFLUIDITY UNDER PION-CONDENSATION IN NEUTRON-STAR MATTER
    TAKATSUKA, T
    TAMAGAKI, R
    [J]. PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, 1993, (112): : 107 - 122
  • [5] PION-CONDENSATION IN COLD DENSE MATTER AND NEUTRON STARS
    HAENSEL, P
    PROSZYNSKI, M
    [J]. ASTROPHYSICAL JOURNAL, 1982, 258 (01): : 306 - 320
  • [6] SUPERFLUIDITY IN THE INTERIORS OF NEUTRON-STARS
    SAULS, JA
    [J]. TIMING NEUTRON STARS, 1989, 262 : 457 - 490
  • [7] THE EFFECT OF NON-ZERO TEMPERATURE UPON THE DYNAMICS OF NEUTRON STARS WITH PION-CONDENSATION
    BEREZIN, YA
    MUKANOVA, BG
    FEDORUK, MN
    [J]. SOVIET ASTRONOMY LETTERS, 1983, 9 (01): : 63 - 65
  • [8] PION-CONDENSATION IN NEUTRON MATTER - EFFECT OF NN CORRELATIONS
    WILDE, B
    COON, SA
    [J]. BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1980, 25 (04): : 518 - 518
  • [9] NEUTRON AND PROTON SUPERFLUIDITY IN COOLING NEUTRON-STARS
    GNEDIN, OY
    YAKOVLEV, DG
    SHIBANOV, YA
    [J]. ASTRONOMY LETTERS-A JOURNAL OF ASTRONOMY AND SPACE ASTROPHYSICS, 1994, 20 (04): : 409 - 415
  • [10] KAON CONDENSATION AND NEUTRON-STARS
    TATSUMI, T
    [J]. PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, 1995, (120): : 111 - 133