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diff --git a/Applied_Physics_by_S._Mani_Naidu/Chapter9_aPNsAAD.ipynb b/Applied_Physics_by_S._Mani_Naidu/Chapter9_aPNsAAD.ipynb new file mode 100644 index 00000000..4f07646f --- /dev/null +++ b/Applied_Physics_by_S._Mani_Naidu/Chapter9_aPNsAAD.ipynb @@ -0,0 +1,305 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# 9: Superconductivity" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 1, Page number 9-22" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "transition temperature is 11.3 K\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "Hc=1*10**5; #critical magnetic field(A/m)\n", + "T=8; #temperature(K)\n", + "H0=2*10**5; #critical magnetic field(A/m)\n", + "\n", + "#Calculation\n", + "Tc=T/math.sqrt(1-(Hc/H0)); #transition temperature(K)\n", + "\n", + "#Result\n", + "print \"transition temperature is\",round(Tc,1),\"K\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 2, Page number 9-22" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "frequency is 4.1 *10**9 Hz\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "e=1.6*10**-19; #charge(c)\n", + "h=6.626*10**-34; #plank constant\n", + "V=8.5*10**-6; #voltage(V)\n", + "\n", + "#Calculation\n", + "new=2*e*V/h; #frequency(Hz)\n", + "\n", + "#Result\n", + "print \"frequency is\",round(new/10**9,1),\"*10**9 Hz\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 3, Page number 9-22" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "critical field is 0.02166 Tesla\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "T=2; #temperature(K)\n", + "Tc=3.7; #critical temperature(K)\n", + "H0=0.0306; #critical magnetic field(A/m)\n", + "\n", + "#Calculation\n", + "Hc=H0*(1-(T/Tc)**2); #critical field(Tesla)\n", + "\n", + "#Result\n", + "print \"critical field is\",round(Hc,5),\"Tesla\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 4, Page number 9-23" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "maximum critical temperature is 7.2 K\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "Hc=200*10**3; #critical magnetic field(A/m)\n", + "Tc=12; #critical temperature(K)\n", + "H0=250*10**3; #critical magnetic field(A/m)\n", + "\n", + "#Calculation\n", + "T=Tc*math.sqrt(1-(Hc/H0)**2); #maximum critical temperature(K)\n", + "\n", + "#Result\n", + "print \"maximum critical temperature is\",T,\"K\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 5, Page number 9-23" + ] + }, + { + "cell_type": "code", + "execution_count": 14, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "critical field is 0.0163 Tesla\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "T=2.5; #temperature(K)\n", + "Tc=3.7; #critical temperature(K)\n", + "H0=0.03; #critical magnetic field(A/m)\n", + "\n", + "#Calculation\n", + "Hc=H0*(1-(T/Tc)**2); #critical field(Tesla)\n", + "\n", + "#Result\n", + "print \"critical field is\",round(Hc,4),\"Tesla\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 6, Page number 9-23" + ] + }, + { + "cell_type": "code", + "execution_count": 16, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "frequency is 313.96 *10**9 Hz\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "e=1.6*10**-19; #charge(c)\n", + "h=6.625*10**-34; #plank constant\n", + "V=650*10**-6; #voltage(V)\n", + "\n", + "#Calculation\n", + "new=2*e*V/h; #frequency(Hz)\n", + "\n", + "#Result\n", + "print \"frequency is\",round(new/10**9,2),\"*10**9 Hz\"" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example number 7, Page number 9-24" + ] + }, + { + "cell_type": "code", + "execution_count": 18, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "critical field is 3.365 *10**3 A/m\n" + ] + } + ], + "source": [ + "#importing modules\n", + "import math\n", + "from __future__ import division\n", + "\n", + "#Variable declaration\n", + "T=5; #temperature(K)\n", + "Tc=7.2; #critical temperature(K)\n", + "H0=6.5*10**3; #critical magnetic field(A/m)\n", + "\n", + "#Calculation\n", + "Hc=H0*(1-(T/Tc)**2); #critical field(A/m)\n", + "\n", + "#Result\n", + "print \"critical field is\",round(Hc/10**3,3),\"*10**3 A/m\"" + ] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 2", + "language": "python", + "name": "python2" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.11" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |