States and quantum effects in the collective field theory of a deformed matrix model

Details States and quantum effects in the collective field theory of a deformed matrix model States and quantum effects in the collective field theory of a deformed matrix model

1993-06-27

arxiv.org/abs/hep-th/9306141v1

Nucl.Phys. B415 (1994) 3-28

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, PUPT-1407 and CNLS-93-06, 2 figures included, harvmac + epsf

Scientific paper

10.1016/0550-3213(94)90065-5

We derive an equation which gives the tree-level scattering amplitudes for tachyons in the black hole background using the exact states of the collective field hamiltonian corresponding to a deformed matrix model recently proposed by Jevicki and Yoneya. Using directly the symmetry algebra we obtain explicit expression for a class of amplitudes in the tree approximation. We also study the quantum effects in the corresponding collective field theory. In particular, we compute the ground state energy and the free energy at finite temperature up to two loops, and the first quantum correction to the two-point function.

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