1# -*- coding: utf-8 -*- 2""" 3""" 4from __future__ import absolute_import 5 6from ._utils import _cd 7from ..unitquantity import UnitConstant 8 9 10natural_unit_of_action = UnitConstant( 11 'natural_unit_of_action', 12 _cd('natural unit of action'), 13 symbol='hbar', 14 u_symbol='ħ' 15) 16natural_unit_of_energy = UnitConstant( 17 'natural_unit_of_energy', 18 _cd('natural unit of energy'), 19 symbol='(m_e*c**2)', 20 u_symbol='(mₑ·c²)' 21) 22natural_unit_of_length = UnitConstant( 23 'natural_unit_of_length', 24 _cd('natural unit of length'), 25 symbol='lambdabar_C', 26 u_symbol='ƛ_C' 27) 28natural_unit_of_mass = UnitConstant( 29 'natural_unit_of_mass', 30 _cd('natural unit of mass'), 31 symbol='m_e', 32 u_symbol='mₑ' 33) 34natural_unit_of_momentum = UnitConstant( 35 'natural_unit_of_momentum', 36 _cd('natural unit of momentum'), 37 symbol='(m_e*c)', 38 u_symbol='(mₑ·c)' 39) 40natural_unit_of_time = UnitConstant( 41 'natural_unit_of_time', 42 _cd('natural unit of time'), 43 symbol='(hbar/(m_e*c**2))', 44 u_symbol='(ħ/(mₑ·c²))' 45) 46natural_unit_of_velocity = UnitConstant( 47 'natural_unit_of_velocity', 48 _cd('natural unit of velocity'), 49 symbol='c' 50) 51 52natural_unit_of_action_in_eV_s = UnitConstant( 53 'natural_unit_of_action_in_eV_s', 54 _cd('natural unit of action in eV s') 55) 56natural_unit_of_energy_in_MeV = UnitConstant( 57 'natural_unit_of_energy_in_MeV', 58 _cd('natural unit of energy in MeV') 59) 60natural_unit_of_momentum_in_MeV_per_c = UnitConstant( 61 'natural_unit_of_momentum_in_MeV_per_c', 62 _cd('natural unit of momentum in MeV/c') 63) 64 65del UnitConstant, _cd 66