jarvis.analysis.darkmatter.metrics

Module to calculate the dark-matter screening.

Module Contents

Functions

peskin_schroeder_constant(bandgap=None, fermi_velocities=[], epsilon=[])

Provide Peskin Scroeder constant for a material.

jarvis.analysis.darkmatter.metrics.peskin_schroeder_constant(bandgap=None, fermi_velocities=[], epsilon=[])[source]

Provide Peskin Scroeder constant for a material.

Just proportionality constant. Doesn’t take into account g and Lambda.

Args:

bandgap: benadgap in eV.

fermi_velocities: vx, vy, vz

epslion: eigenvalues of epsilon tensor

Return:

1/(epsion*vF)