EPWpy.utilities.constants# Classes Constants() Provides commonly used physical and atomic constants. class EPWpy.utilities.constants.Constants[source]# Bases: object Provides commonly used physical and atomic constants. All methods return a numerical value corresponding to the constant. ang2bohr()[source]# Angstrom to Bohr conversion. bohr2ang()[source]# Bohr radius in Angstroms. c_cms()[source]# Speed of light in cm/s. c_ms()[source]# Speed of light in m/s. cm2meV()[source]# Conversion factor from cm⁻¹ to meV. eps0()[source]# Vacuum permittivity (F/m). hbar_Js()[source]# Reduced Planck constant in J·s. hbar_eVs()[source]# Reduced Planck constant in eV·s. mu0()[source]# Vacuum permeability (H/m). q()[source]# Elementary charge (C). ryd2hart()[source]# Conversion factor from Rydberg to Hartree. thr10()[source]# Return 1E-10 thr12()[source]# Return 1E-12 thr4()[source]# Return 1E-4 thr6()[source]# Return 1E-6 thr8()[source]# Return 1E-8
