Tracing the string: BMN correspondence at finite J**2/N
Oct, 2002
11 pages
Published in:
- JHEP 05 (2003) 022
e-Print:
- hep-th/0210102 [hep-th]
Report number:
- PUPT-2052,
- NSF-ITP-02-153
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Abstract:
Employing the string bit formalism of hep-th/0209215, we identify the basis transformation that relates BMN operators in N=4 gauge theory to string states in the dual string field theory at finite g_2=J^2/N. In this basis, the supercharge truncates at linear order in g_2, and the mixing amplitude between 1 and 2-string states precisely matches with the (corrected) answer of hep-th/0206073 for the 3-string amplitude in light-cone string field theory. Supersymmetry then predicts the order g_2^2 contact term in the string bit Hamiltonian. The resulting leading order mass renormalization of string states agrees with the recently computed shift in conformal dimension of BMN operators in the gauge theory.- gauge field theory: Yang-Mills
- supersymmetry
- field theory: string
- light cone gauge
- phase space: Hilbert space
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