32 citations · 36 across the 6 of their papers we have counts for
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hep-th2013★ 2 cited
The Curious Case of an Effective Theory
Ibrahim Burak Ilhan, Alex Kovner
We describe an effective theory of a scalar field, motivated by some features expected in the low energy theory of gluodynamics in 3+1 dimensions. The theory describes two propagat…
hep-th2013★ 32 cited
Some Comments on Ghosts and Unitarity: The Pais-Uhlenbeck Oscillator Revisited
Ibrahim Burak Ilhan, Alex Kovner
We give a simple discussion of ghosts, unitarity violation, negative norm states and quantum vs classical behavior in the simplest model with four derivative action - the Pais-Uhle…