hyperfine.superconductivity.pippard

Expressions from Pippard’s nonlocal screening model.

A. B. Pippard, An experimental and theoretical study of the relation between magnetic field and current in a superconductor, Proc. R. Soc. London A 216, 547-568 (1953). https://doi.org/10.1098/rspa.1953.0040

Functions

K_Pippard(q, T, T_c, Delta_0, lambda_L, l, xi_0)

Evaluate the Pippard response function.

integrand_diffusive(q, T, T_c, Delta_0, ...)

Integrand for calculating the magnetic penetration depth.

integrand_specular_profile(q, T, T_c, ...[, ...])

Integrand for calculating the magnetic penetration depth.

j_0_t(T, T_c, Delta_0)

Bardeen-Cooper-Schrieffer (BCS) range function \(J(0,T)\) (i.e., at \(R = 0\)).

j_0_t_wc(T, T_c)

Bardeen-Cooper-Schrieffer (BCS) range function \(J(0,T)\) (i.e., at \(R = 0\)).

lambda_diffusive(T, T_c, Delta_0, l, ...[, ...])

Evaluate the magnetic penetration depth within Pippard theory.

lambda_diffusive2(T, T_c, Delta_0, l, ...[, ...])

Evaluate the magnetic penetration depth within Pippard theory.

specular_profile(z, T, T_c, Delta_0, ...[, ...])

Field screening profile B(z).

specular_profile_dl(z, T, T_c, Delta_0, ...)

Field screening profile B(z).

xi_Pippard(T, T_c, Delta_0, l, xi_0[, alpha])

Evaluate the effective Pippard coherence length for a finite electron mean-free-path.