引力波理论和实验新进展

251Vol.25,No.120073PROGRESS IN ASTRONOMYMar., 20071000-8349(2007)01-0058-161123245(1.1008752.1000123.1000444.2018005.200013)P142.8+4A11916[1,2]1918[3,4]PSR 1913+16[5]197415960252gµνR = 8πGc4Tµν − 1c2∂2161L= F +h+(t) + F ×h×(t) ≡ h(t).(10)22[22]h = ∆L/L.(11)622533 .13.1.1Qik =ρ(3xixk − δik xjxj)dV ,(12)163c4r,(13)GνnsEnskinQ∂2Q/∂t2 ≈ 2Mνnss2 ≈ 4Enskin ,(14)h ≈ G(Enskinc2)4G f 2gh2 = 3.18 × 1035f 2gh2 W ·m−2 ,(17)h2 = h2+ + h2×wh1 kHzh ≈ 10−21w0.3 W·m−21020L = 4πR2w ≈ π2c3π2c31/2 L1/264252πτgfg∆ffgh ≈ GfgR≈ 5.8 × 10−20 Eg2πfg≈ Dsc3,(22)kHzEg = M 2ch ≈ 1fgRε1/2 ≈ 5 × 10−19.5f −1g R−1ε1/2.(23)3.1.2RMRfgw ≈ (1/2π)¯ρ/4π.(25)¯ρRM¯ρ = 3M/4πR31.4M⊙10 kmf0=1.9 kHz10M⊙16566251676825169g· Pin (gPin)4)√70251717225ph/0110349, 2001.[69]Zhu Z H, Fu jimoto M K, Tatsu mi D. A&A, 2001, 372: 377.173