braneworld の基本方程と 一般解の構造 akama, t. hattori, and h. mukaida ref.(partial) k....
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Braneworld の基本方程と 一般解の構造
Akama, T. Hattori, and H. Mukaida
Ref.(partial) K. Akama, T. Hattori, and H. Mukaida, arXiv:1109.0840 [gr-qc]
Abstract In order to examine how the braneworld theory reproduce the successful predictions of the Einstein gravity theory,
we are seeking for the general spherical solution of the systemof the bulk Einstein equation and Nambu-Goto equation.
Here, we find the general solution.
it cannot fully specify the state of the brane
bulk
1 )))((2()( XdXgRXg NKIJ
K
Braneworld Dynamics
matterS
dynamicalvariables brane position
)( KIJ Xg
)( xY I
bulk metric
brane
4))((~~2 xdxYg K
eq. of motion
Action
,3,2X
0x
1X
0X
x
IJg
)( xY I
bulk scalar curvature
gg ~det~
bulk Einstein eq.
Nambu-Goto eq.
constant
brane en.mom.tensor
g~brane KX xbulk coord.
brane metriccannot be a dynamical variable
constants
gmn(Y)=YI,mYJ
, n gIJ(Y)
matter action
~
S d /d~ indicatesbrane quantity
bulk en.mom.tensor
IJgg det
0)2/( IJIJIJIJ TgRgR
coord.
=
0gIJYI
bulk Ricci tensor
0)~~~
( ; IYTg
0)~~~
( ; IYTg
bulk Einstein eq.
Nambu-Goto eq.
0)2/( IJIJIJIJ TgRgR
bulk Einstein eq.0)2/( IJIJIJIJ TgRgR
Nambu-Goto eq.0)
~~~( ; IYTg
empty
general solution
static, spherical, under Schwarzschild ansatz
asymptotically flat on the brane, empty except for the core outside the brane
× normal coordinate zbrane polar coordinatecoordinate system
x m=(t,r,q,j)
2222222 )sin( dzddkhdrfdtdxdxgds JIIJ
khf ,, : functions of r & z onlygeneral metric with
t,r,q,j
z
dominance of the collective mode Y I among matters
bulk Einstein eq. Nambu-Goto eq.
222222 )sin( dzddkhdrfdtdxdxg JIIJ
0)2/( IJIJIJIJ TgRgR
empty
0)~~~
( ; IYTg
zXXXrXtX 43210 ,,,,
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
22R 1442442 2
hkh
fhkf
hk
hkh
fkfk rrrrrrzzzzzz
44R2
2
2
2
2
2
24422 kk
hh
ff
kk
hh
ff zzzzzzzzz
14R22 22442 k
kkhkkh
hffh
fff
kk
ff zrrzrzrzrzrz
RIJKL=GIJK,L-GIJL,K+gAB(GAIKGBJL-GAILGBJK), GIJK=(gIJ,K+gIK,J -gJK,I)/2
The only independent non-trivial components
0)~~~
( ; IYTg 222222 )sin( dzddkhdrfdtdxdxg JI
IJ zXXXrXtX 43210 ,,,,
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
RIJKL=GIJK,L-GIJL,K+gAB(GAIKGBJL-GAILGBJK), GIJK=(gIJ,K+gIK,J -gJK,I)/2
0)~~~
( ; IYTg 222222 )sin( dzddkhdrfdtdxdxg JI
IJ
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
22R 1442442 2
hkh
fhkf
hk
hkh
fkfk rrrrrrzzzzzz
44R2
2
2
2
2
2
24422 kk
hh
ff
kk
hh
ff zzzzzzzzz
14R22 22442 k
kkhkkh
hffh
fff
kk
ff zrrzrzrzrzrz
The only independent non-trivial components
初めに bulk Einstein eq. alone の一般解を求めます。
zXXXrXtX 43210 ,,,,
use again later
use again later
bulk Einstein eq. Nambu-Goto eq.IJE
00 IJIJ RE
2/2/ 444,1,444,14 RRR U )log( 2hfkU
144,141,1,144,44 /2 RRRR UhV )/log( 2 hfkV
0221100 RRR
0221100 RRR
,0|| 044014 zz RR 04414 RR
0|| 044014 zz RR
0)2/( IJIJIJIJ TgRgR
IJIJ RR ]3/)2([ IJIJ gTT
En.-mom. conservation
If we assume we have
if are guaranteed.
Therefore, the independent equations are
Def.
covariant derivative
2/IJIJIJ gRRE
with
0IJJ ED
04414221100 RRRRR
=
JD 2/IJIJ gRR ( ) 0
0)~~~
( ; IYTg 222222 )sin( dzddkhdrfdtdxdxg JI
IJ
IJT =
00 IJIJ RE
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
Def. 00 IJIJ RE
IJE=0)
~~~( ; IYTg
222222 )sin( dzddkhdrfdtdxdxg JI
IJ
IJIJ RR ]3/)2([ IJIJ gTT IJIJ RR IJT 3/)2( IJIJ gTT IJT
IJT =
0221100 RRR 0|| 044014 zz RRTherefore, the independent equations are
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
IJE=0)
~~~( ; IYTg
222222 )sin( dzddkhdrfdtdxdxg JI
IJ
0221100 RRR 0|| 044014 zz RRTherefore, the independent equations are
00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
000 T
00R
0
][ )(),(n
nn zrFzrFexpansion
n
k
kknn GFFG0
][][][)(reduction rule& derivatives),,, khfF IJT
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
(
0
IJE=
00R T 00
khkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
0)~~~
( ; IYTg
2]0[ rk using diffeo.
222222 )sin( dzddkhdrfdtdxdxg JIIJ
00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
000 T
00R
0
][ )(),(n
nn zrFzrFexpansion
n
k
kknn GFFG0
][][][)(reduction rule& derivatives),,, khfF IJT
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
(
0
IJE=
00R T 00
khkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
002
22
2442244
Tkhkf
hhf
fhf
hf
kkf
hhf
ff rrrrrrrzzzzz
zzf 2
- -2
- + +2
- +
f 002
22
22222
Tkhkf
hhf
fhf
hf
kkf
hhf
ff rrrrrrrzzzzz[n]
[n-2]1
n(n -1)
0)~~~
( ; IYTg
2]0[ rk using diffeo.
2
222222 )sin( dzddkhdrfdtdxdxg JIIJ
___2
2 2 2 2 2 2 2
zz
[n-2]
00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
0
][ )(),(n
nn zrFzrFexpansion
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
IJE=
f 002
22
22222
Tkhkf
hhf
fhf
hf
kkf
hhf
ff rrrrrrrzzzzz[n] 1
n(n -1)
n
k
kknn GFFG0
][][][)(rule
[n-2]
0)~~~
( ; IYTg 222222 )sin( dzddkhdrfdtdxdxg JI
IJ 2]0[ rk
2]0[ rk using diffeo.
n
k
kknn GFFG0
][][][)(reduction rule
00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
0
][ )(),(n
nn zrFzrFexpansion
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
IJE=
f 002
22
22222
Tkhkf
hhf
fhf
hf
kkf
hhf
ff rrrrrrrzzzzz[n] 1
n(n -1)
n
k
kknn GFFG0
][][][)(rule]2[
002
22][ 2
2222)1(
1
n
rrrrrrrzzzzzn
khkf
hhf
fhf
hf
kkf
hhf
ff
nnf T
[n-2]
0)~~~
( ; IYTg 222222 )sin( dzddkhdrfdtdxdxg JI
IJ 2]0[ rk 00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
22R 1442442 2
hkh
fhkf
hk
hkh
fkfk rrrrrrzzzzzz
The only independent non-trivial components
]2[
112
2
2
22][ 2
22
2
22)1(
1
n
rrrrrrrrrrzzzzzn
khkh
fhhf
kk
ff
kk
ff
kkh
fhf
hh
nnh T
0
][ )(),(n
nn zrFzrFexpansion
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
IJE=
n
k
kknn GFFG0
][][][)(rule]2[
002
22][ 2
2222)1(
1
n
rrrrrrrzzzzzn
khkf
hhf
fhf
hf
kkf
hhf
ff
nnf T
0)~~~
( ; IYTg 222222 )sin( dzddkhdrfdtdxdxg JI
IJ 2]0[ rk 00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
22R 1442442 2
hkh
fhkf
hk
hkh
fkfk rrrrrrzzzzzz
2
2
2
2
2
2
24422 kk
hh
ff
kk
hh
ff zzzzzzzzz
The only independent non-trivial components
]2[
112
2
2
22][ 2
22
2
22)1(
1
n
rrrrrrrrrrzzzzzn
khkh
fhhf
kk
ff
kk
ff
kkh
fhf
hh
nnh T
0
][ )(),(n
nn zrFzrFexpansion
bulk Einstein eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
IJE=
n
k
kknn GFFG0
][][][)(rule]2[
002
22][ 2
2222)1(
1
n
rrrrrrrzzzzzn
khkf
hhf
fhf
hf
kkf
hhf
ff
nnf T
]2[
112][ 22
2222)1(
1
n
rrrrrrzzzzn
hkh
fhkf
hk
hkh
fkf
nnk T
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
Nambu-Goto eq.0)
~~~( ; IYTg
]2[
112][ 22
2222)1(
1
n
rrrrrrzzzzn
hkh
fhkf
hk
hkh
fkf
nnk T
]2[
112
2
2
22][ 2
22
2
22)1(
1
n
rrrrrrrrrrzzzzzn
khkh
fhhf
kk
ff
kk
ff
kkh
fhf
hh
nnh T
recursion formulae for ][][][ ,, nnn khf khf ,,
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obeyin the bulk
Thus, we have
0
][ )(),(n
nn zrFzrFexpansion
bulk Einstein eq.0)2/( IJIJIJIJ TgRgR
,0221100 RRR 014 |zR 0| 044 zRindependent eqs.
IJE=
n
k
kknn GFFG0
][][][)(rule]2[
002
22][ 2
2222)1(
1
n
rrrrrrrzzzzzn
khkf
hhf
fhf
hf
kkf
hhf
ff
nnf T
014 |zR 0| 044 zR
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
00 IJIJ REIJIJ RR IJT 3/)2( IJIJ gTT IJT
Nambu-Goto eq.0)
~~~( ; IYTg
0
][ )(),(n
nn zrFzrF
n
k
kknn GFFG0
][][][)(
bulk Einstein eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
]2[
112][ 22
2222)1(
1
n
rrrrrrzzzzn
hkh
fhkf
hk
hkh
fkf
nnk T
]2[
112
2
2
22][ 2
22
2
22)1(
1
n
rrrrrrrrrrzzzzzn
khkh
fhhf
kk
ff
kk
ff
kkh
fhf
hh
nnh T
]2[
002
22][ 2
2222)1(
1
n
rrrrrrrzzzzzn
khkf
hhf
fhf
hf
kkf
hhf
ff
nnf T
khf ,,Thus, we haverecursion formulae for ][][][ ,, nnn khf
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obeyin the bulk 014 |zR 0| 044 zR
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zR
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
Nambu-Goto eq.0)
~~~( ; IYTg
0
][ )(),(n
nn zrFzrF
n
k
kknn GFFG0
][][][)(
use again lateruse again later
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
22R 1442442 2
hkh
fhkf
hk
hkh
fkfk rrrrrrzzzzzz
44R2
2
2
2
2
2
24422 kk
hh
ff
kk
hh
ff zzzzzzzzz
14R22 2
2 4 4
2 kkk
khkh
fhfh
fff
kk
ff zrrzrzrzrzrz
The only independent non-trivial components
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0| 014 zR
0| 044 zR
0)~~~
( ; IYTg
]0[14
]0[14 TR
=
]0[14T 03
]1[
]0[
]1[
]0[]0[
]0[]1[
2]0[
]0[]1[
2
]1[
]0[
]1[
442 rk
rhh
fhfh
fff
rk
ff rrrr
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zR
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
[0][0] [1] [0][1] [0] [1][1] [1] [1] [0]
[0] [0] [0] [0] [0] [0][0] [0]
[0]
Nambu-Goto eq.0)
~~~( ; IYTg
0
][ )(),(n
nn zrFzrF
n
k
kknn GFFG0
][][][)(
00Rkhkf
hhf
fhf
hf
kkf
hhf
fff rrrrrrrzzzzzzz
24422442 2
22
11Rkhkh
kk
ff
kk
ff
fhhf
kkh
fhf
hhh rrrrrrrrrrzzzzzzz
224242442 2
2
2
22
22R 1442442 2
hkh
fhkf
hk
hkh
fkfk rrrrrrzzzzzz
44R2
2
2
2
2
2
2 4 4
22 kk
hh
ff
kk
hh
ff zzzzzzzzz
14R22 22442 k
kkhkkh
hffh
fff
kk
ff zrrzrzrzrzrz
The only independent non-trivial components
Nambu-Goto eq.0)
~~~( ; IYTg
0
][ )(),(n
nn zrFzrF
n
k
kknn GFFG0
][][][)(
3
]1[
]0[
]1[
]0[]0[
]0[]1[
2]0[
]0[]1[
2
]1[
]0[
]1[
442 rk
rhh
fhfh
fff
rk
ff rrrr
bulk Einstein eq. IJE=
)(4224
1 ]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
2 T
rk
rhkh
rfkf
hfhf
r
0| 044 zR
[0][1] [1] [1][2] [2] [2]2 2 2
[0] [0] [0] [0] [0] [0]
[0]
substitute
2]0[ rk 222222 )sin( dzddkhdrfdtdxdxg JIIJ
]0[14T 0
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zR
0)2/( IJIJIJIJ TgRgR
khf ,,We have
0| 014 zR]2[
112][ 22
2222)1(
1
n
rrrrrrzzzzn
hkh
fhkf
hk
hkh
fkf
nnk T
]2[
112
2
2
22][ 2
22
2
22)1(
1
n
rrrrrrrrrrzzzzzn
khkh
fhhf
kk
ff
kk
ff
kkh
fhf
hh
nnh T
]2[
002
22][ 2
2222)1(
1
n
rrrrrrrzzzzzn
khkf
hhf
fhf
hf
kkf
hhf
ff
nnf T[2]
[2]
[2]
2
2
2
[0]
[0]
[0]
]0[44R
=
)( ]0[44 T
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
bulk Einstein eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0| 014 zR
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zR 0| 044 zE
0]0[14T3
]1[
]0[
]1[
]0[]0[
]0[]1[
2]0[
]0[]1[
2
]1[
]0[
]1[
442 rk
rhh
fhfh
fff
rk
ff rrrr
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
)(4224
1 ]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
2 T
rk
rhkh
rfkf
hfhf
r
Nambu-Goto eq.0)
~~~( ; IYTg
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
Nambu-Goto eq.0)
~~~( ; IYTg
0
][ )(),(n
nn zrFzrF
n
k
kknn GFFG0
][][][)(
0| 044 zR
)(4224
1 ]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
2 T
rk
rhkh
rfkf
hfhf
r
3
]1[
]0[
]1[
]0[]0[
]0[]1[
2]0[
]0[]1[
2
]1[
]0[
]1[
442 rk
rhh
fhfh
fff
rk
ff rrrr
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0| 014 zR
0)~~~
( ; IYTg
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
0]0[14T
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw (uf [0] )r -u -v -2v -2w
2 2+(2r 2w)r ur 2wr
+ +u( ) (v -w)
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
3
]1[
]0[
]1[
]0[]0[
]0[]1[
2]0[
]0[]1[
2
]1[
]0[
]1[
442 rk
rhh
fhfh
fff
rk
ff rrrr 0]0[
14T-u -v -2v -2w2 2
+ ur 2wr+ +u( ) (v -w)
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0| 014 zR
0)~~~
( ; IYTg
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
)(4224
1 ]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
2 T
rk
rhkh
rfkf
hfhf
r
+ +
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0| 014 zR
0)~~~
( ; IYTg
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
]0[
]0[
2
)(
ffvu r
rr wu 2
)(4224
1 ]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
2 T
rk
rhkh
rfkf
hfhf
r
rwv )(2
]0[14T
0)(4224
]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
Tr
krh
khrf
kfhfhf
uv 2uw 2vw w2
u v u w2 v w2 w 2
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
0| 014 zR
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
0| 044 zE
)(4224
1 ]0[444
2]1[
2]0[
]1[]1[
2]0[
]1[]1[
]0[]0[
]1[]1[
2 T
rk
rhkh
rfkf
hfhf
ru v u w2 v w2 w 2
2
1
ruv uw2 vw2 2w )( ]0[
44 T
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2]0[
]0[
h
hr2]0[
2]0[
]0[
]0[
4
2 ff
ff rrr
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
0| 014 zR]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
2
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
rh
]0[
1
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
2
1
ruv uw2 vw2 2w )( ]0[
44 T
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
0| 014 zR]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
2
1
ruv uw2 vw2 2w )( ]0[
44 T
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
0| 044 zE
0| 014 zR]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
2
1
ruv uw2 vw2 2w )( ]0[
44 T
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
0| 044 zE
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
0| 014 zR]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
2
1
ruv uw2 vw2 2w )( ]0[
44 T
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
0| 044 zE
0| 014 zR]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
2
1
ruv uw2 vw2 2w )( ]0[
44 T
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
use again lateruse again later
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
rwv )(2
]0[
]0[
2
)(
ffvu r
rr wu 2 ]0[14T
2
1
ruv uw2 vw2 2w )( ]0[
44 T
]0[14T
]0[14/)(22 Trwvwu rr [ ]
vu ]0[f
2)(2 wv /rvu
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
wvu ,, :arbitrary
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
2
1
ruv uw2 vw2 2w )( ]0[
44 T
]0[14/)(22 Trwvwu rr [ ]
vu ]0[
]0[
2
)(
ffvu r
]0[f2
=U
]0[rf U ]0[f U
U U U U
1
vu wvu ,, :arbitrary
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
rh
]0[
1
2
1
ruv uw2 vw2 2w )( ]0[
44 T
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
2
]0[
]0[
]0[
]0[
22
ff
ff r
r
rU U U U
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
The solution include three arbitrary functions.
Two equations for five functions ,, ]0[]0[ hf ]1[]1[]1[ ,, khf
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[14/)(22 Trwvwu rr [ ]
2
U
)(22 ]0[44
2 Twvwuwuv1 / 2r
U r / 2U 2 /2 U /r 1/ 2rU / 1/r4
24
rh
]0[
1
vu ]0[
rf U ]0[fvu wvu ,, :arbitrary
U / 1/r4
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[14/)(22 Trwvwu rr [ ]
2
U
)(22 ]0[44
2 Twvwuwuv1 / 2r
U r / 2U 2 / U /r 1/ 2rU / 1/r4
4
rh
]0[
1
vu
]0[
1
h
=P
=Q
]0[rf U ]0[f
rh ]0[
1P
]0[
1
hQ
Q
P
solution
vu wvu ,, :arbitrary
U / 1/r4
]0[f
r
dre
U]0[h
rdr
e P
1
1
r
Pdrdre rQ
1st order linear differential equations solvable!
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[rf U ]0[f
rh ]0[
1P
]0[
1
hQ
]0[]0[ Uffr
Qh
Ph r
]0[]0[
11
: written with wvu ,,vu wvu ,, :arbitrary
solution ]0[f
r
dre
U]0[h
rdr
e P
1
1
r
Pdrdre rQ
1st order linear differential equations solvable!
)(22 ]0[44
2 Twvwuwuv1 / 2r
U r / 2U 2 / U /r 1/ 2rU / 1/r4
4
Q
P
U / 1/r4
U P Q, , ]0[14/)(22 Trwvwu rr [ ]
2
Uvu
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]0[ Uffr
Qh
Ph r
]0[]0[
11
QPU ,, : written with wvu ,,
rUdr
ef ]0[
1
]0[ 1
r
PdrPdrdrQeeh rr
solutionvu wvu ,, :arbitrary
solution ]0[f
r
dre
U]0[h
rdr
e P
1
1
r
Pdrdre rQ
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
vu wvu ,, :arbitrary
vu 2/2/ ]0[
14rTruuV r
rVdrrW 1
rUrUU
P r
/4'
)/2'('2'
2
rUTWvWuWuvr
Q/14/'
)(22/1'
]0[44
22
]0[]0[ /' ffU r
: arbitrary
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]0[ Uffr
rUdr
ef ]0[
1
]0[ 1
r
PdrPdrdrQeeh rr
QPU ,,
Qh
Ph r
]0[]0[
11
: written with wvu ,,
solution
Vrw r )(
'1
'1
]0[]0[Q
hP
h r
]0[f
2]0[
]0[
]0[]0[
]0[ 1
11
4 rrff
hrff rr
0| 044 zE
0| 014 zR]0[
]0[
2
)(
ffvu r
rr wu 2 r
wv )(2 ]0[
14T
rh
]0[
12
]0[
]0[
]0[
]0[
22
ff
ff r
r
r
2
1
ruv uw2 vw2 2w )( ]0[
44 T
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
]0[]0[ Uffr
rUdr
ef ]0[
1
]0[ 1
r
PdrPdrdrQeeh rr
QPU ,,
vu
1'']0[ '1
r
drPdrPdreQeh rr
]0[, fu: arbitrary
rVdrrw 1
Qh
Ph r
]0[]0[
11
',', QPV
: written with wvu ,,
solution
Vrw r )(
'1
'1
]0[]0[Q
hP
h r
]0[f : written with
solution
vu wvu ,, :arbitrary
]0[]1[ 2/ ffu ]0[]1[ 2/ hhv 2]1[ 2/ rkw
bulk Einstein eq. Nambu-Goto eq.0)2/( IJIJIJIJ TgRgR
IJE=
khf ,,We have
0)~~~
( ; IYTg
if ,, ]0[]0[ hf ]1[]1[]1[ ,, khf obey 014 |zR 0| 044 zE
222222 )sin( dzddkhdrfdtdxdxg JIIJ 2]0[ rk
vu vu ]0[f : arbitrary
: linear, solvable: linear, solvable
wuhf 2,, ]0[]0[ : arbitrary algebraic eq. for wv, solvable
braneworld
bulk Einstein eq.
bulk Einstein eq. +Nambu-Goto eq.
3 eqs. for 5 functions
3 arbitrary functions2 eqs. for 5 functions
2 arbitrary functions2 of u,v,w arbitrary : linear, solvable
arbitrary]0[]0[ ,hf non-linear differential eq. for u,v,w
(1)u,v,w arbitrary
collective mode dominance
(2)
(1)(2)
Israel junction condition
Thank you