43 lines
690 B
Python
43 lines
690 B
Python
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# -*- coding: utf-8 -*-
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"""
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Created on Fri Aug 27 15:14:48 2021
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@author: Joschka
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"""
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from src import physical_constants as cs
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import numpy as np
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mu = 9.9* cs.mu_B
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Grad_Bz = cs.m_Dy_164 * 9.81/(8*mu)
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print("For levitation:")
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print(f"dBz/dz = {Grad_Bz*1e4*1e-2:.4f} G/cm")
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print("")
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T = 10e-6
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sigma = np.sqrt(cs.k_B*T/cs.m_Dy_164)
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dz = 2*sigma * 10e-3
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print(sigma*10e-3)
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#dz = 250e-6
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dt = 10e-3
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Grad_Bz = 2 * dz * cs.m_Dy_164/(dt**2 * mu)
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print(" ")
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print("For Stern-Gerlach separation:")
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print(f"dBz/dz = {Grad_Bz*1e4*1e-2:.4f} G/cm")
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print(" ")
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a = 8*mu*2.67*1e-2/cs.m_Dy_164 + 9.81
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s = 0.5 * a * dt**2
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print(s)
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print(0.5*9.81*dt**2)
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print((2.8778-2.8775)/2.8778)
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print(16*dz)
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