diff options
| -rw-r--r-- | single_dequantify.py | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/single_dequantify.py b/single_dequantify.py index 43c256d..44f2190 100644 --- a/single_dequantify.py +++ b/single_dequantify.py @@ -9,10 +9,10 @@ alpha = 1 / npy.sqrt(2) beta = 1 / npy.sqrt(2) state = npy.array([alpha, beta]) -dt = 0.2 -iterations = 20 +dt = 0.067 +iterations = 41 -H = npy.array([[2,-2j],[2j,3]]) +H = npy.array([[2,-1j],[1j,3]]) def time_evolution(state, dt = dt): @@ -20,19 +20,20 @@ def time_evolution(state, dt = dt): def bloch_map(state): temp = npy.conj(state[0] / state[1]) - phi = 2 * npy.arctan(1 / abs(temp)) - theta = npy.arctan(temp.imag / temp.real) + theta = 2 * npy.arctan(abs(temp) / 2) + phi = cmt.phase(temp) + return npy.array([phi, theta]) def sphere2cart(phi, theta): return [ - mth.sin(theta) * mth.cos(phi), - mth.sin(theta) * mth.sin(phi), - mth.cos(theta) + mth.cos(theta) * mth.cos(phi), + mth.cos(theta) * mth.sin(phi), + mth.sin(theta) ] historie = npy.array([bloch_map(state)]) -f = open("data", "a") +f = open("data", "w") for i in range(iterations): state = time_evolution(state) @@ -40,7 +41,7 @@ for i in range(iterations): historie = npy.vstack([historie,bloch_map(state)]) coords = bloch_map(state) coords = sphere2cart(coords[0], coords[1]) - f.write(f"{coords[0]}; {coords[1]}; {coords[2]}\n") + f.write(f"{coords[0]}; {coords[1]}; {coords[2]}; {(i + 1) / iterations}\n") f.close() subprocess.run(["gnuplot", "gnuplot.plt"]) |