Zero lagrangian and induced gravitation

  1. Hello,

    Does anyone know what "induced gravity" is and where can one read (something not too technical) about it?

    I am trying to understand how a system with zero Lagrangian has something to do with gravity.
    Could someone explain perhaps?

    Thanks
     
  2. jcsd
  3. dextercioby

    dextercioby 12,317
    Science Advisor
    Homework Helper

    0 Lagrangian ? You might mean 0 Hamiltonian, which is a constrained system.
     
  4. The text I read was brief... it only mentioned "zero Lagrangian (i.e. induced gravity)". I would have imagined this meant a system where T and V are equal. I am unsure what would be special in a such zero-lagrangian system. Then the action is zero too. One can't write the euler -lagrange equations either , because all terms are zero

    or am I missing something?
     
    Last edited: Sep 6, 2013
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