
#1
Feb2210, 12:28 PM

P: 256

Let's consider for example compactification of Minkowski spacetime or
Kruskal extension of Schwartzschild. They are quite similar because in both cases we rescale the null direction. I wonder why we always rescale the null direction, not simply x or t. 



#2
Feb2210, 03:47 PM

P: 665

AB 


Register to reply 
Related Discussions  
Conformal group, Conformal algebra and Conformal invariance in field theory  Physics Learning Materials  39  
Sugra from N=8,4 to N=0 without compactification?  Beyond the Standard Model  0  
lightlike compactification  Advanced Physics Homework  18  
Why 3+1 compactification?  Beyond the Standard Model  15  
difference between an orbifold and a CalabiYau manifold?  General Physics  3 