heintz.mws

> restart:

Standard Worksheet SSSPF

Heint IIa

Physical quatities are defined in the initialization file

> grts();

`GRTensorII Version 1.79 (R4)`

`6 February 2001`

`Developed by Peter Musgrave, Denis Pollney and Kay...

`Copyright 1994-2001 by the authors.`

`Latest version available from: http://grtensor.phy...

Created definition for G(up,dn) 

Created definition for rho

Created definition for Iso

Created definition for p

Created definition for gthetatheta

Created definition for R(dn,dn,up,up) 

Created definition for mass

`D:/Xitami/webpages/GRTensorJ/Metricss`

> qload(heintz);

`Default spacetime` = heintz

`For the heintz spacetime:`

Coordinates

x(up)

`x `^`1` = xi, `x `^`2` = theta, `x `^`3` = phi, `x...

`Line element`

` ds`^2 = 2*R^2*(3*alpha-7+xi^2)*((3*alpha-7+4*xi^2...
` ds`^2 = 2*R^2*(3*alpha-7+xi^2)*((3*alpha-7+4*xi^2...
` ds`^2 = 2*R^2*(3*alpha-7+xi^2)*((3*alpha-7+4*xi^2...

Constraints = []

`H. Heintzmann, Z. Phys., 228, 489 (1969)`

Physical parameters

> grcalcd(Iso,rho,p,mass);

`CPU Time ` = .201

`For the heintz spacetime:`

Iso

Iso = `All components are zero`

rho

rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...
rho = 3/16/(3*alpha-7+xi^2)^3*(963144*xi^2*sqrt((al...

p

p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...
p = -3/16/R^2/(3*alpha-7+xi^2)^3/((3*alpha-7+4*xi^2...

mass

mass = 3/4*(R^2*xi^2)^(3/2)/R^2*(sqrt((3*alpha-7+4*...

Perssure plots

> pj:=subs(grcomponent(p,[])):

> p1:=subs(R=1,alpha=6,pj):

> p2:=subs(R=1,alpha=5,pj):

> p3:=subs(R=1,alpha=4,pj):

> p4:=subs(R=1,alpha=3,pj):

> plot([p1,p2,p3,p4],xi=0..1,color=[red,green,blue,black],title="Pressure Heint IIa");

[Maple Plot]

Energy density plots

> rhoj:=subs(grcomponent(rho,[])):

> rho1:=subs(R=1,alpha=6,rhoj):

> rho2:=subs(R=1,alpha=5,rhoj):

> rho3:=subs(R=1,alpha=4,rhoj):

> rho4:=subs(R=1,alpha=3,rhoj):

> plot([rho1,rho2,rho3,rho4],xi=0..1,color=[red,green,blue,black],title="Energy Density Heint IIa");

[Maple Plot]

Mass plots

> mj:=subs(grcomponent(mass,[])):

> mj1:=subs(R=1,alpha=6,mj):

> mj2:=subs(R=1,alpha=5,mj):

> mj3:=subs(R=1,alpha=4,mj):

> mj4:=subs(R=1,alpha=3,mj):

> plot([mj1,mj2,mj3,mj4],xi=0..1,color=[red,green,blue,black],title="Mass Heint IIa");

[Maple Plot]

Trapping

Potential impac parameter

> B:=radsimp(sqrt(grcomponent(g(dn,dn),[theta,theta]))/sqrt(-grcomponent(g(dn,dn),[t,t])));

B := R*xi/(3*alpha-7+xi^2)*(3*alpha-7)^2/((3*alpha-...

> Bj:=subs(R=1,B):

> B1:=subs(alpha=3.0,Bj):

> B2:=subs(alpha=2.9,Bj):

> B3:=subs(alpha=2.8,Bj):

> B4:=subs(alpha=2.7,Bj):

> plot([B1,B2,B3,B4],xi=0.1..1,color=[red,green,blue,black],title="Trapping Heint IIa");

[Maple Plot]

w - modes

Potential

> V:=1/((Bj^2))*(6+4*Pi*xi^2*R^2*(grcomponent(rho,[])-grcomponent(p,[]))-6*grcomponent(mass,[])/(xi*R)):

> Vj:=subs(R=1,V):

> V1:=subs(alpha=2.9,Vj):

> V2:=subs(alpha=2.8,Vj):

> V3:=subs(alpha=2.7,Vj):

> V4:=subs(alpha=2.6,Vj):

> plot([V1,V2,V3,V4],xi=0.5..1.0,color=[red,green,blue,black],title="w - modes Heint IIa");

[Maple Plot]

V:=sqrt(dp/dr/drho/dr)

> vs:=sqrt(diff(grcomponent(p,[]),xi)/(diff(grcomponent(rho,[]),xi))):

> vsj:=subs(R=1,vs):

> vs1:=subs(R=1,alpha=6,vsj):

> vs2:=subs(R=1,alpha=5,vsj):

> vs3:=subs(R=1,alpha=4,vsj):

> vs4:=subs(R=1,alpha=3,vsj):

> plot([vs1,vs2,vs3,vs4],xi=0..1,color=[red,green,blue,black],title="V Heint IIa");

[Maple Plot]

>