Introduction to the AdS/CFT correspondence

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A confining potential. 2.
The solution of the equation
f 11 1 ¡ d
z f 1 ¡ pk 2 pmRq 2
q f 0
z 2
may be written as
f pk, zq e i k¤x z d{2 K ν p|k| zq, ν ∆ ¡ ∆ ¡
2
The boundary condition f pk, z 0 q 0 leads
to the quantization of k 2 n λ n — the
spectrum of masses of the mesons