44 lines
1.0 KiB
Python
44 lines
1.0 KiB
Python
class CalculationConstants(object):
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"""Holds physical constants, in SI units
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"""
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def __init__(self, epsilon_0=8.854e-12, h_bar=1.0546e-34, c_light=3e8, electron_mass=9.10938356e-31):
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"""Initialises constants in SI units, with sensible defaults
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:param epsilon_0:
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:param h_bar:
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:param c_light:
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:param electron_mass:
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"""
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self.epsilon_0 = epsilon_0
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self.h_bar = h_bar
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self.c_light = c_light
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self.electron_mass = electron_mass
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class CalculationParams(object):
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"""Holds the parameters describing a calculation, in SI units.
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"""
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def __init__(self, omega: float = None, omega_p: float = None, tau: float = None, v_f: float = None,
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t_rel: float = None, t_c: float = None, dipole_moment: float = None):
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"""Creates parameter object, SI units
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:param omega:
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:param omega_p:
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:param tau:
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:param v_f:
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:param t_rel:
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:param t_c:
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:param dipole_moment:
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"""
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self.omega = omega
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self.omega_p = omega_p
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self.tau = tau
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self.v_f = v_f
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self.t_rel = t_rel
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self.t_c = t_c
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self.dipole_moment = dipole_moment
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