Deepak Mallubhotla
071cd2503e
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73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
import numpy as np
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import pytest
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import pyewjn.dielectric
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import pyewjn.noise.zeta
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from pyewjn.baskets import CalculationParams
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@pytest.fixture
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def zeta_p_integrand_lindhard():
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params = CalculationParams(
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omega=1e9, v_f=2e6, omega_p=3.544907701811032e15, tau=1e-14
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)
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eps_l = pyewjn.dielectric.get_lindhard_dielectric(params)
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return pyewjn.noise.zeta.get_zeta_p_integrand(eps_l)
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@pytest.mark.parametrize(
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"test_input,expected",
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[
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# y u zeta_p_i(u, y)
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((100, 100), -6.891930153028566e-13 - 7.957747045025948e-9j),
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((1e5, 100), -1.0057257267146669e-10 - 4.0591966623027983e-13j),
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((100, 1e5), 1.1789175285399862e-8 - 7.957833322596519e-9j),
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],
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)
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def test_zeta_p_integrand_lindhard(zeta_p_integrand_lindhard, test_input, expected):
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actual = zeta_p_integrand_lindhard(*test_input)
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np.testing.assert_allclose(
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actual,
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expected,
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rtol=1e-7,
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err_msg="Zeta_p is inaccurate for Lindhard case",
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verbose=True,
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)
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@pytest.fixture
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def zeta_p_lindhard():
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params = CalculationParams(
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omega=1e9, v_f=2e6, omega_p=3.544907701811032e15, tau=1e-14
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)
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eps_l = pyewjn.dielectric.get_lindhard_dielectric(params)
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return pyewjn.noise.zeta.get_zeta_p_function(eps_l)
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@pytest.mark.parametrize(
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"test_input,expected",
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[
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# u zeta_p(u)
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(1, 0.000199609 - 0.000199608j),
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# (10, 0.00019960929309663014 - 0.00019927000998506335j),
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# (100, 0.0001996175250684056 - 0.0001654898843938523j),
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# (1e3, 0.0002003339895748246 + 0.003212370020888438j),
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# (1e4, 0.00028616168676982363 + 0.34096962141224463j),
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(1e5, 0.0025183067257958545 + 34.11087430547122j),
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(1e6, 0.026829658454640887 + 3411.0870128247902j),
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(1e7, 0.4292211181081069 + 341088.797211291j),
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(1e8, 14.348462224076096 + 3.391157983312813e7j),
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],
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)
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def test_zeta_p(zeta_p_lindhard, test_input, expected):
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actual = zeta_p_lindhard(test_input)
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np.testing.assert_allclose(
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actual,
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expected,
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rtol=1e-4,
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err_msg="Zeta_p is inaccurate for Lindhard case",
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verbose=True,
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)
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