|
| 1 | +{ |
| 2 | + "cells": [ |
| 3 | + { |
| 4 | + "cell_type": "code", |
| 5 | + "execution_count": 3, |
| 6 | + "id": "820c5fca", |
| 7 | + "metadata": {}, |
| 8 | + "outputs": [], |
| 9 | + "source": [ |
| 10 | + "import numpy as np\n", |
| 11 | + "import qiskit\n", |
| 12 | + "from qiskit import QuantumCircuit\n", |
| 13 | + "from qiskit.quantum_info import partial_trace" |
| 14 | + ] |
| 15 | + }, |
| 16 | + { |
| 17 | + "cell_type": "code", |
| 18 | + "execution_count": 2, |
| 19 | + "id": "ff3c6d13", |
| 20 | + "metadata": {}, |
| 21 | + "outputs": [], |
| 22 | + "source": [ |
| 23 | + "from qiskit.quantum_info import DensityMatrix, Statevector\n", |
| 24 | + "\n", |
| 25 | + "def getDensityMatrix(circuit):\n", |
| 26 | + " return DensityMatrix(circuit).data\n", |
| 27 | + "\n", |
| 28 | + "def getStatevector(circuit):\n", |
| 29 | + " return Statevector(circuit).data" |
| 30 | + ] |
| 31 | + }, |
| 32 | + { |
| 33 | + "cell_type": "code", |
| 34 | + "execution_count": 36, |
| 35 | + "id": "0952d3b7", |
| 36 | + "metadata": {}, |
| 37 | + "outputs": [], |
| 38 | + "source": [ |
| 39 | + "from functools import reduce\n", |
| 40 | + "\n", |
| 41 | + "Dag = lambda matrix: matrix.conj().T\n", |
| 42 | + "Kron = lambda *matrices: reduce(np.kron, matrices)" |
| 43 | + ] |
| 44 | + }, |
| 45 | + { |
| 46 | + "cell_type": "markdown", |
| 47 | + "id": "b189f0b1", |
| 48 | + "metadata": {}, |
| 49 | + "source": [ |
| 50 | + "# 1. Circuit simulation" |
| 51 | + ] |
| 52 | + }, |
| 53 | + { |
| 54 | + "cell_type": "code", |
| 55 | + "execution_count": 34, |
| 56 | + "id": "e523b016", |
| 57 | + "metadata": {}, |
| 58 | + "outputs": [ |
| 59 | + { |
| 60 | + "data": { |
| 61 | + "text/plain": [ |
| 62 | + "<qiskit.circuit.instructionset.InstructionSet at 0x26cefcf43a0>" |
| 63 | + ] |
| 64 | + }, |
| 65 | + "execution_count": 34, |
| 66 | + "metadata": {}, |
| 67 | + "output_type": "execute_result" |
| 68 | + } |
| 69 | + ], |
| 70 | + "source": [ |
| 71 | + "circuit = QuantumCircuit(2)\n", |
| 72 | + "\n", |
| 73 | + "circuit.h(0)\n", |
| 74 | + "circuit.h(1)\n", |
| 75 | + "\n", |
| 76 | + "circuit.ry(0.3 * np.pi/2, 0)\n", |
| 77 | + "circuit.ry(0.4 * np.pi/2, 1)\n", |
| 78 | + "\n", |
| 79 | + "circuit.cx(0, 1)" |
| 80 | + ] |
| 81 | + }, |
| 82 | + { |
| 83 | + "cell_type": "code", |
| 84 | + "execution_count": 35, |
| 85 | + "id": "8c6b506f", |
| 86 | + "metadata": {}, |
| 87 | + "outputs": [ |
| 88 | + { |
| 89 | + "data": { |
| 90 | + "image/png": "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\n", |
| 91 | + "text/plain": [ |
| 92 | + "<Figure size 370.906x200.667 with 1 Axes>" |
| 93 | + ] |
| 94 | + }, |
| 95 | + "execution_count": 35, |
| 96 | + "metadata": {}, |
| 97 | + "output_type": "execute_result" |
| 98 | + } |
| 99 | + ], |
| 100 | + "source": [ |
| 101 | + "circuit.draw(output='mpl')" |
| 102 | + ] |
| 103 | + }, |
| 104 | + { |
| 105 | + "cell_type": "code", |
| 106 | + "execution_count": 9, |
| 107 | + "id": "666ac62d", |
| 108 | + "metadata": {}, |
| 109 | + "outputs": [], |
| 110 | + "source": [ |
| 111 | + "Z = np.matrix([[1,0],[0,-1]])" |
| 112 | + ] |
| 113 | + }, |
| 114 | + { |
| 115 | + "cell_type": "code", |
| 116 | + "execution_count": 37, |
| 117 | + "id": "6e89711e", |
| 118 | + "metadata": {}, |
| 119 | + "outputs": [ |
| 120 | + { |
| 121 | + "data": { |
| 122 | + "text/plain": [ |
| 123 | + "array([[0.05626829+0.j, 0.18020986+0.j, 0.11043274+0.j, 0.09182151+0.j],\n", |
| 124 | + " [0.18020986+0.j, 0.57715617+0.j, 0.35368175+0.j, 0.29407576+0.j],\n", |
| 125 | + " [0.11043274+0.j, 0.35368175+0.j, 0.21673646+0.j, 0.18020986+0.j],\n", |
| 126 | + " [0.09182151+0.j, 0.29407576+0.j, 0.18020986+0.j, 0.14983908+0.j]])" |
| 127 | + ] |
| 128 | + }, |
| 129 | + "execution_count": 37, |
| 130 | + "metadata": {}, |
| 131 | + "output_type": "execute_result" |
| 132 | + } |
| 133 | + ], |
| 134 | + "source": [ |
| 135 | + "matrix = getDensityMatrix(circuit)\n", |
| 136 | + "matrix" |
| 137 | + ] |
| 138 | + }, |
| 139 | + { |
| 140 | + "cell_type": "code", |
| 141 | + "execution_count": 30, |
| 142 | + "id": "8192cd76", |
| 143 | + "metadata": {}, |
| 144 | + "outputs": [], |
| 145 | + "source": [ |
| 146 | + "q0_state = partial_trace(matrix, [1])" |
| 147 | + ] |
| 148 | + }, |
| 149 | + { |
| 150 | + "cell_type": "code", |
| 151 | + "execution_count": 31, |
| 152 | + "id": "f5bbc439", |
| 153 | + "metadata": {}, |
| 154 | + "outputs": [ |
| 155 | + { |
| 156 | + "data": { |
| 157 | + "text/plain": [ |
| 158 | + "(-0.4539904997395462+0j)" |
| 159 | + ] |
| 160 | + }, |
| 161 | + "execution_count": 31, |
| 162 | + "metadata": {}, |
| 163 | + "output_type": "execute_result" |
| 164 | + } |
| 165 | + ], |
| 166 | + "source": [ |
| 167 | + "np.trace(Dag(q0_state.data) @ Z @ q0_state.data)" |
| 168 | + ] |
| 169 | + }, |
| 170 | + { |
| 171 | + "cell_type": "code", |
| 172 | + "execution_count": 32, |
| 173 | + "id": "e2b9e399", |
| 174 | + "metadata": {}, |
| 175 | + "outputs": [], |
| 176 | + "source": [ |
| 177 | + "q1_state = partial_trace(matrix, [0])" |
| 178 | + ] |
| 179 | + }, |
| 180 | + { |
| 181 | + "cell_type": "code", |
| 182 | + "execution_count": 33, |
| 183 | + "id": "b77abe57", |
| 184 | + "metadata": {}, |
| 185 | + "outputs": [ |
| 186 | + { |
| 187 | + "data": { |
| 188 | + "text/plain": [ |
| 189 | + "(0.2668489204277951+0j)" |
| 190 | + ] |
| 191 | + }, |
| 192 | + "execution_count": 33, |
| 193 | + "metadata": {}, |
| 194 | + "output_type": "execute_result" |
| 195 | + } |
| 196 | + ], |
| 197 | + "source": [ |
| 198 | + "np.trace(Dag(q1_state.data) @ Z @ q1_state.data)" |
| 199 | + ] |
| 200 | + }, |
| 201 | + { |
| 202 | + "cell_type": "markdown", |
| 203 | + "id": "f0ccc434", |
| 204 | + "metadata": {}, |
| 205 | + "source": [ |
| 206 | + "# 2. matrix computaion" |
| 207 | + ] |
| 208 | + }, |
| 209 | + { |
| 210 | + "cell_type": "code", |
| 211 | + "execution_count": null, |
| 212 | + "id": "f90bb2d1", |
| 213 | + "metadata": {}, |
| 214 | + "outputs": [], |
| 215 | + "source": [] |
| 216 | + } |
| 217 | + ], |
| 218 | + "metadata": { |
| 219 | + "kernelspec": { |
| 220 | + "display_name": "Python 3 (ipykernel)", |
| 221 | + "language": "python", |
| 222 | + "name": "python3" |
| 223 | + }, |
| 224 | + "language_info": { |
| 225 | + "codemirror_mode": { |
| 226 | + "name": "ipython", |
| 227 | + "version": 3 |
| 228 | + }, |
| 229 | + "file_extension": ".py", |
| 230 | + "mimetype": "text/x-python", |
| 231 | + "name": "python", |
| 232 | + "nbconvert_exporter": "python", |
| 233 | + "pygments_lexer": "ipython3", |
| 234 | + "version": "3.9.13" |
| 235 | + } |
| 236 | + }, |
| 237 | + "nbformat": 4, |
| 238 | + "nbformat_minor": 5 |
| 239 | +} |
0 commit comments