- #1
Vrbic
- 407
- 18
I'm interesting in about possibility to express a tetrad of a rotating matter in neutron star (in some approximate known metric, where shape of star is unchanged - Lense-Thirring metric) outside of the equatorial plane.
My idea is: I start from Locally Non Rotating Frame (LNRF) in equatorial plane with know LNRF speed . If I would a rotating frame in equatorial plane I believe it is enough just a boost in $\phi$ (LNRF velocity) direction.
But what about outside of the equatorial plane? There is no LNRF frame. Right? But on the other hand the matter is enforced to move in circle. It is not typical geodesic motion. May I use same proccedure as in equatorial plane in this particular case? I.e. take frame rotating with LNRF speed and boost in $\phi$ direction.
I'm quite sure, If I would interested in frame of test particle in such gravitation field, it si wrong, but the fact that it is enforced circular non geodesic motion, it seems to me it is possible. What do you mean?
Thank you for your comments.
I'm interesting in if is possible to express a tetard of a pieace
My idea is: I start from Locally Non Rotating Frame (LNRF) in equatorial plane with know LNRF speed . If I would a rotating frame in equatorial plane I believe it is enough just a boost in $\phi$ (LNRF velocity) direction.
But what about outside of the equatorial plane? There is no LNRF frame. Right? But on the other hand the matter is enforced to move in circle. It is not typical geodesic motion. May I use same proccedure as in equatorial plane in this particular case? I.e. take frame rotating with LNRF speed and boost in $\phi$ direction.
I'm quite sure, If I would interested in frame of test particle in such gravitation field, it si wrong, but the fact that it is enforced circular non geodesic motion, it seems to me it is possible. What do you mean?
Thank you for your comments.
I'm interesting in if is possible to express a tetard of a pieace