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-{
- "metadata": {
-  "name": "",
-  "signature": "sha256:3bf1b2120b5dacb9d86b4fa6efbc4300ebec3d48ce95ec80e2e6a8f936088a09"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
-  {
-   "cells": [
-    {
-     "cell_type": "heading",
-     "level": 1,
-     "metadata": {},
-     "source": [
-      "8: Statistical physics"
-     ]
-    },
-    {
-     "cell_type": "heading",
-     "level": 2,
-     "metadata": {},
-     "source": [
-      "Example number 8.2, Page number 164"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "#importing modules\n",
-      "import math\n",
-      "from __future__ import division\n",
-      "\n",
-      "#Variable declaration\n",
-      "rho=10.5;    #density of silver(g/cc)\n",
-      "M=108;    #atomic weight(g/mole)\n",
-      "NA=6.02*10**23;   #avagadro number(atoms/mole)\n",
-      "h=6.626*10**-34;    #planck's constant(Js)\n",
-      "m=9.1*10**-31;    #mass of electron(kg)\n",
-      "e=1.6*10**-19;   #conversion factor from J to eV\n",
-      "\n",
-      "#Calculation\n",
-      "NbyV=rho*NA/M;    #number density of conduction electrons(per cc)\n",
-      "NbyV=NbyV*10**6;   #number density of conduction electrons(per m**3)\n",
-      "EF=(h**2/(8*m))*(3*NbyV/math.pi)**(2/3);   #fermi energy(J)\n",
-      "EF=EF/e;   #fermi energy(eV)\n",
-      "E=3*EF/5;    #mean energy of electron(eV)\n",
-      "\n",
-      "#Result\n",
-      "print \"number density of conduction electrons is\",round(NbyV/10**28,2),\"*10**28 per m**3\"\n",
-      "print \"fermi energy is\",round(EF,2),\"eV\"\n",
-      "print \"mean energy of electron is\",round(E,2),\"eV\""
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "number density of conduction electrons is 5.85 *10**28 per m**3\n",
-        "fermi energy is 5.51 eV\n",
-        "mean energy of electron is 3.31 eV\n"
-       ]
-      }
-     ],
-     "prompt_number": 5
-    },
-    {
-     "cell_type": "heading",
-     "level": 2,
-     "metadata": {},
-     "source": [
-      "Example number 8.3, Page number 164"
-     ]
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "#importing modules\n",
-      "import math\n",
-      "from __future__ import division\n",
-      "\n",
-      "#Variable declaration\n",
-      "T=300;    #temperature(K)\n",
-      "k=1.38*10**-23;   #boltzmann constant(J/K)\n",
-      "EF=5.49;    #fermi energy(eV)\n",
-      "e=1.6*10**-19;   #conversion factor from J to eV\n",
-      "R=1;   #assume\n",
-      "\n",
-      "#Calculation\n",
-      "CV=math.pi**2*k*T*R/(2*EF*e);    #electronic contribution of Silver(R)\n",
-      "\n",
-      "#Result\n",
-      "print \"electronic contribution of Silver is\",round(CV,5),\"R\""
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "electronic contribution of Silver is 0.02326 R\n"
-       ]
-      }
-     ],
-     "prompt_number": 9
-    }
-   ],
-   "metadata": {}
-  }
- ]
-}
-\ No newline at end of file