List of Notations

$A$	–	mass number
$AAA$	–	electromagnetic potential vector
$a0$	–	Bohr radius
$BBB, B$	–	magnetic field
$c$	–	speed of light
$cs$	–	speed of sound
$k Δ (kk)$	–	wave number dependent pairing gap
$ΔF$	–	pairing gap at the Fermi level $Δ (kkkFFF)$
$dn$	–	interneutron spacing
$dυ$	–	intervortex spacing
$E {A,Z }$	–	energy of a nucleus of mass number $A$ and charge number $Z$
$e$	–	proton electric charge
$η$	–	shear viscosity
$ε$	–	single particle energy
$εF$	–	Fermi energy
$ɛ$	–	energy density
$ℱℱℱ$	–	force per unit length
$fff$	–	force density
$fμ$	–	4-force density
$G$	–	gravitational constant
$γ$	–	adiabatic index
$ℏ$	–	Dirac constant
$h$	–	Planck constant
$I$	–	moment of inertia
$J$	–	angular momentum
$kkk$	–	wave vector
$k$	–	wave number
$kB$	–	Boltzman constant
$kF$	–	Fermi wavenumber
$κ$	–	thermal conductivity (Section 9)
$κ κκ,κ$	–	circulation of a vortex (Section 8)
$Λ$	–	Lagrangian density (Section 10)
$μ$	–	shear modulus
$μe$	–	electron chemical potential
$μ n$	–	neutron chemical potential
$μp$	–	proton chemical potential
$M$	–	neutron star gravitational mass
$M ⊙$	–	solar mass
$m$	–	mass
$m ⋆ c$	–	dynamic effective mass of confined nucleons in neutron star crust
$me$	–	electron mass
$∗ m e$	–	electron (relativistic) effective mass in dense matter
$m ⋆f$	–	dynamic effective mass of the free neutrons in neutron star crust
$mn$	–	neutron mass
$m ∗ n$	–	neutron effective mass in dense matter
$mp$	–	proton mass
$mu$	–	atomic mass unit

$n$	–	number density of particles
$n b$	–	number density of baryons
$nc$	–	number density of confined nucleons in neutron star crust
$ne$	–	number density of electrons
$nf$	–	number density of free neutrons in neutron star crust
$nn$	–	number density of neutrons
$nN$	–	number density of nuclei (ions)
$np$	–	number density of protons
$nυ$	–	surface density of vortex lines
$Ω$	–	angular velocity
$π μ$	–	momentum 4-covector
$P$	–	pressure
$ppp,p$	–	momentum
$pF$	–	Fermi momentum
$pFe$	–	electron Fermi momentum
$ϕ$	–	single particle wave function
$ρ$	–	mass density
$ρND$	–	neutron drip density
$rg$	–	Schwarzschild radius
$rυ$	–	radius of a superfluid vortex core
$R$	–	neutron star circumferential radius
$Rcell$	–	radius of a Wigner–Seitz sphere
$σ$	–	surface thermodynamic potential (Section 3)
$σ$	–	electric conductivity (Section 9)
$σ$	–	Poisson coefficient (Section 7)
$σ ij$	–	elastic stress tensor
$σmax$	–	breaking strain
$σs$	–	surface tension
$T$	–	temperature
$Tc$	–	critical temperature
$TF$	–	Fermi temperature
$TFe$	–	electron Fermi temperature
$Tm$	–	melting temperature
$Tpe$	–	electron plasma temperature
$T pi$	–	ion plasma temperature
$∞ Ts$	–	effective surface temperature as seen by a distant observer
$μ T ν$	–	stress-energy tensor
$𝒱cell$	–	volume of the Wigner–Seitz cell
$𝒱N$	–	volume of the proton cluster
$v F$	–	Fermi velocity
$vFe$	–	electron Fermi velocity
$vvv$	–	velocity
$vvvυυυ$	–	vortex velocity
$vvvfff$	–	velocity of neutron superfluid in neutron star crust
$vvv ccc$	–	velocity of confined nucleons in neutron star crust
$w$	–	volume fraction occupied by nuclear clusters
$ξ$	–	coherence length
$xr$	–	relativity parameter
$Z$	–	charge (proton) number
$ζ$	–	bulk viscosity

A List of Notations