Аннотация
We solve the problem of a chain, modeled as a self-avoiding walk, grafted o
the wall limiting a semi-infinite Bethe lattice of arbitrary coordination
number q. In particular, we determine the pressure exerted by the polymer on
the wall, as a function of the distance to the grafting point. The pressure, in
general, decays exponentially with the distance, at variance with what is found
for SAWs and directed walks on regular lattices and gaussian walks. The
adsorption transition, which is discontinuous, and its influence on the
pressure are also studied.
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