Quantum Corrections in Collective Field Theory
E. Hsu, I. Klebanov
Abstract
We review and extend the computation of scattering amplitudes of tachyons in the c=1 matrix model using a manifestly finite prescription for the collective field hamiltonian. We give further arguments for the exactness of the cubic hamiltonian by demonstrating the equality of the loop corrections in the collective field theory with those calculated in the fermionic picture.
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