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diff --git a/Solid_state_physics/Chapter_10_1.ipynb b/Solid_state_physics/Chapter_10_1.ipynb deleted file mode 100755 index ac36fbe7..00000000 --- a/Solid_state_physics/Chapter_10_1.ipynb +++ /dev/null @@ -1,181 +0,0 @@ -{ - "metadata": { - "name": "" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 10: Superconductivity" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 10.1, Page number 10.3" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "#Variable declaration\n", - "Tc = 3.7 #critical temperature(K)\n", - "Hc_o = 0.0306 #critical field(T)\n", - "T = 2 #temperature(K)\n", - "\n", - "#Calculation\n", - "Hc_2 = Hc_o*(1-((T/Tc)**2))\n", - "\n", - "#Result\n", - "print \"Critical field at 2K is\",round(Hc_2,5),\"T\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Critical field at 2K is 0.02166 T\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 10.2, Page number 10.5" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "from math import pi\n", - "\n", - "#Variable declaration\n", - "T = 4.2 #temperature(K)\n", - "Tc = 7.18 #critical temperature(K)\n", - "Ho = 6.5*10**4 #A/m\n", - "d = 1*10**-3 #diameter(m)\n", - "\n", - "#Calculations\n", - "Hc = Ho*(1-((T/Tc)**2))\n", - "r = d/2\n", - "ic = 2*pi*r*Hc\n", - "\n", - "#Result\n", - "print \"Critical current =\",round(ic,2),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Critical current = 134.33 A\n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 10.3, Page number 10.12" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math \n", - "\n", - "#Variable declaration\n", - "T = 3.5 #temperature(K)\n", - "lamda_t = 750 #penetration depth at T(A)\n", - "Tc = 4.12 #K\n", - "\n", - "#Calculation\n", - "lamda_o = lamda_t*math.sqrt((1-((T/Tc)**4)))\n", - "\n", - "#Result\n", - "print \"Penetration depth at 4.12K is\",round(lamda_o,1),\"A\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Penetration depth at 4.12K is 519.2 A\n" - ] - } - ], - "prompt_number": 7 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 10.4, Page number 10.13" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "T1 = 3 #temperature(K)\n", - "lamda_t1 = 396. #penetration depth at T1(A)\n", - "T2 = 7.1 #temperature(K)\n", - "lamda_t2 = 1730. #penetration depth at T2(A)\n", - "\n", - "#Calculations\n", - "x = lamda_t2**2/lamda_t1**2\n", - "Tc = math.sqrt(math.sqrt((-T1**4+(x*(T2**4)))/(x-1)))\n", - "\n", - "#Result\n", - "print \"Critical temperature =\",round(Tc,3),\"K\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Critical temperature = 7.193 K\n" - ] - } - ], - "prompt_number": 18 - } - ], - "metadata": {} - } - ] -}
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