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Hopping rate of charged particles in a superlattice

Journal Article


Abstract


  • The hopping rate nu of heavy, positively charged particles (e.g. positive muons) in a type-I superlattice is calculated. The electron-electron and electron-charged-particle interactions are treated in the random-phase approximation. It is assumed that the charged particle is confined to the barrier regions between the quantum wells where there are no electrons, and hops between nearest-neighbour lattice sites R1, R2 only. It is shown that nu is an anisotropic function of R1 and R2. The contribution to nu due to particle-hole modes and plasmon excitations is obtained.

Publication Date


  • 1991

Citation


  • Gumbs, G., Zhang, C., & Cui, H. L. (1991). Hopping rate of charged particles in a superlattice. Journal of Physics: Condensed Matter, 3(11), 1429-1441. doi:10.1088/0953-8984/3/11/005

Scopus Eid


  • 2-s2.0-30244502319

Start Page


  • 1429

End Page


  • 1441

Volume


  • 3

Issue


  • 11

Abstract


  • The hopping rate nu of heavy, positively charged particles (e.g. positive muons) in a type-I superlattice is calculated. The electron-electron and electron-charged-particle interactions are treated in the random-phase approximation. It is assumed that the charged particle is confined to the barrier regions between the quantum wells where there are no electrons, and hops between nearest-neighbour lattice sites R1, R2 only. It is shown that nu is an anisotropic function of R1 and R2. The contribution to nu due to particle-hole modes and plasmon excitations is obtained.

Publication Date


  • 1991

Citation


  • Gumbs, G., Zhang, C., & Cui, H. L. (1991). Hopping rate of charged particles in a superlattice. Journal of Physics: Condensed Matter, 3(11), 1429-1441. doi:10.1088/0953-8984/3/11/005

Scopus Eid


  • 2-s2.0-30244502319

Start Page


  • 1429

End Page


  • 1441

Volume


  • 3

Issue


  • 11