Table 1 Polarization dependent bulk (charge, spin, and orbital) photovoltaic conductivities.
From: Pure bulk orbital and spin photocurrent in two-dimensional ferroelectric materials
Polarization | \(P_{ + y}\) | \(P_{ - y}\) | \(P_{ + x}\) | \(P_{ - x}\) |
|---|---|---|---|---|
Mirror | \(\hat {\cal{M}}_x\) | \(\hat {\cal{M}}_x\) | \(\hat {\cal{M}}_y\) | \(\hat {\cal{M}}_y\) |
LPL | \(\sigma _{{\mathrm{LPL}}}^{x;{\cal{O}}_z}\) (IC) | \(- \sigma _{{\mathrm{LPL}}}^{x;{\cal{O}}_z}\) (IC) | \(\sigma _{{\mathrm{LPL}}}^x\) (SC) | \(- \sigma _{{\mathrm{LPL}}}^x\) (SC) |
CPL | \(\sigma _\eta ^x = - \sigma _{ - \eta }^x\) (IC) | \(- \sigma _\eta ^x = \sigma _{ - \eta }^x\) (IC) | \(\sigma _\eta ^{x;{\cal{O}}_z} = - \sigma _{ - \eta }^{x;{\cal{O}}_z}\) (SC) | \(- \sigma _\eta ^{x;{\cal{O}}_z} = \sigma _{ - \eta }^{x;{\cal{O}}_z}\) (SC) |
