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     <div align="center"> <font size="5"> <b><font face="Arial, Helvetica, sans-serif"><a name="top"></a>MCCCS Towhee (Citation Manual)</font></b></font></div>
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   <A href="http://sourceforge.net"> 
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     <p>&nbsp; </p>
     <p>&nbsp;</p>
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     <p></p>
     <b>Overview</b> 
     <ul>
      The ensembles, moves, and force fields that power Towhee come from a wide variety of sources.  This section discusses how to use the
      towhee_citations output file as a starting place for acknowledging the contributions of others when writing up the results of your own research.
      <p></p>
      This manual lists the references that are suggested in the towhee_citation file for each ensemble or Monte Carlo algorithm along with commentary 
      on why those were chosen as the preferred references, and also sometimes includes a discussion about other papers that are relevant and also worth
      considering.
     </ul>

     <dt><b>The Towhee Code</b></dt>
     <ul>
      <li><a name="website">
       http://towhee.sourceforge.net</a>
      </li>
     </ul>

     <dt><b>Random Number Generators</b></dt>
     <ul>

      <b>RANLUX</b>
      <ul>
       <li>
        <a href="references.html#luscher_1994">L&#252scher 1994</a> <i>suggested reference</i>
        <dt>
         The original paper describing the algorithm used in RANLUX and also describes the luxury levels.
        </dt>
       </li>
       <li>
        <a href="references.html#james_1994">James 1994</a> <i>suggested reference</i>
        <dt>
         The original paper implementing the RANLUX algorithm.
        </dt>
       </li>
      </ul>

      <b>DX-1597-2-7</b>
      <ul>
       <li>
        <a href="references.html#deng_2005">Deng 2005</a> <i>suggested reference</i>
        <dt>
         This paper describes many similar random number generators including the DX-1597-2-7.
        </dt>
       </li>
      </ul>

      <b>MRG32k3a</b>
      <ul>
       <li>
        <a href="references.html#lecuyer_1999">l'Ecuyer 1999</a> <i>suggested reference</i>
        <dt>
         Describes a family of random number generators including MRG32k3a.
        </dt>
       </li>
      </ul>

      <b>KISS99</b>
      <ul>
       <li>
        <dt>
         G. Marsaglia posted this onto some internet newsgroups and there is no good journal reference.
        </dt>
       </li>
      </ul>

     </ul>

     <dt><b>Ensembles</b></dt>
     <ul>

      <b>Canonical Ensemble</b>
      <ul>
       <li>
        <a href="references.html#metropolis_et_al_1953">Metropolis <i>et al.</i> 1953</a> <i>suggested reference</i>
        <dt>
         This is the original Monte Carlo  molecular simulation paper.  While the system simulated was very primitive by modern standards (2-dimensional hard
         disks), they presented the general algorithm that is the basis for all subsequent Monte Carlo molecular simulations.  Also the first use of the
         translation move (the only move required to sample the Canonical ensemble for monatomic molecules).
        </dt>
       </li>
      </ul>

      <b>Isobaric-isothermal Ensemble</b>
      <ul>
       <li>
        <a href="references.html#mcdonald_1972">McDonald 1972</a> <i>suggested reference</i>
        <dt>
         Presents the algorithm for the volume change move for continuous potentials in the pressence of a specified external pressure.
        </dt>
       </li>
      </ul>

      <b>Grand Canonical Ensemble</b>
      <ul>
       <li>
        <a href="references.html#norman_1969">Norman 1969</a> <i>suggested reference</i>
        <dt>
         While this article was not known in the western literature until much later, it is the first paper describing the Grand Canonical ensemble
         using the Monte Carlo method for continuous potentials.
        </dt>
       </li>

       <li>
        <a href="references.html#rowley_et_al_1975">Rowley <i>et al.</i> 1975</a> <i>additional reference</i>
        <dt>
         Among the first publications in the western literature to present an algorithm and results for the Grand Canonical creation/removal
         move for continuous potentials.  However, their method of keeping ficticious atoms in the system and transitioning them between 
         real and imaginary is not the method used in Towhee for performing the insertion/deletion.
        </dt>
       </li>
      </ul>

      <b>Gibbs Ensemble (NVT or NpT)</b>
      <ul>
       <li>
        <a href="references.html#panagiotopoulos_1987">Panagiotopoulos 1987</a> <i>suggested reference</i>
        <dt>
         The original Gibbs ensemble paper.  Contains a derviation for the moves required for the NVT-Gibbs ensemble using arguments based upon
         the fluctuation theorm of Landau and Lifshitz.  Despite the atypical starting place for deriving ensemble acceptance rules the only 
         equation that does not agree with later work is the molecule transfer move (Eqn. 7).
        </dt>
       </li>
       <li>
        <a href="references.html#panagiotopoulos_et_al_1988">Panagiotopoulos <i>et al.</i> 1988</a> <i>suggested reference</i>
        <dt>
         This follow-up to the original contains the derivations and acceptance rules for the NVT-Gibbs ensemble, the NpT-Gibbs ensemble, and an 
         osmotic pressure Gibbs ensemble.
        </dt>
       </li>
       <li>
        <a href="references.html#smit_et_al_1989">Smit <i>et al. 1989</i></a> <i>additional reference</i>
        <dt>
         Contains detailed discussion about how the NVT-Gibbs ensemble free energy is the same as the Canonical ensemble free energy.  Also analysis
         of why the Gibbs ensemble works better than many people originally expected it to, especially in its ability to predict the a critical point
         that does not suffer much from finite size effects.
        </dt>
       </li>
      </ul>
     </ul>


     <dt><b>Moves</b></dt>
     <ul>
      <b>Volume move (NpT)</b>
      <ul>
       <li>
        <a href="references.html#mcdonald_1972">McDonald 1972</a> <i>suggested reference</i>
        <dt>
         In either the Isobaric-isothermal or the Gibbs Isobaric-isothermal ensembles this move has not changed since the original Isobaric-isothermal paper.
        </dt>
       </li>
      </ul>

      <b>Volume move (NVT)</b>
      <ul>
       <li>
        <a href="references.html#panagiotopoulos_1987">Panagiotopoulos 1987</a> <i>suggested reference</i>
        <dt>
         The two-box volume exchange was first described in this paper using a maximum volume displacement.  Towhee now uses a maximum change based upon the logarithm of the ratio
         of box volumes.
        </dt>
       </li>

     </ul>

     <p>&nbsp;</p>
     <a href="index.html">Return to the main towhee web page</a> 
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  <i><font size="2">Send comments to:</font></i>
  <font size="2"> <a href="mailto:marcus_martin@users.sourceforge.net">Marcus G. Martin</a><br></br>
   <i>Last updated:</i> <!-- #BeginDate format:Am1 -->August 17, 2011<!-- #EndDate -->
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