Higher derivative theories with constraints: Exorcising Ostrogradski's Ghost
Dec, 2012
Citations per year
Abstract: (IOP)
We prove that the linear instability in a non-degenerate higher derivative theory, the Ostrogradski instability, can only be removed by the addition of constraints if the original theory's phase space is reduced.Note:
- 17 pages, no figures, version published in JCAP
- derivative: high
- stability: linear
- constraint
- phase space: reduced
- orbit: gauge
- Hamiltonian
- gauge fixing
- boundary condition
- determinant
- Poisson bracket
References(51)
Figures(0)
- [1]
- [2]
- [3]
- [4]
- [5]
- [6]
- [7]
- [8]
- [9]
- [10]
- [11]
- [12]
- [13]
- [14]
- [15]
- [16]
- [17]
- [18]
- [19]
- [20]
- [21]
- [22]
- [23]
- [24]
- [25]