Contact-density chain-growth algorithm

The quantity Racc ns,nm) can easily be measured in simulations with the contact density chain-growth algorithm described in the next section. In the following, natural units are used as usual for brevity, i.e., we set = o = 1  

4 Pseudophase diagram of a flexible polymer near an attractive substrate 

The determination of the contact density gn ns follows similar lines as the multicanonical chain-growth method for the estimation of the density of states. In fact, the only change in the algorithm described in Section 4.11 is that the multicanonical chain-growth weights, defined in Eq. (4.161), are replaced by 

The extension of this method incorporating more than two system parameters is straightforward, but the efficiency of flattening the high-dimensional histograms at all levels of the growth process decreases, whereas the duration of the rans to maintain sufficient statistics and the storage requirements for these fields rapidly increase. 

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