Probability- and spin-current operators for effective Hamiltonians

Federico Bottegoni; Henri Jean Drouhin; Guy Fishman; Jean Eric Wegrowe

doi:10.1103/PhysRevB.85.235313

Probability- and spin-current operators for effective Hamiltonians

Federico Bottegoni
, Henri Jean Drouhin
, Guy Fishman
, Jean Eric Wegrowe

CEA/DSM/IRAMIS
Istituto di Fotonica e Nanotecnologie (IFN-CNR)
Politecnico di Milano
Centre national de la recherche scientifique

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

We present a systematic construction of the probability- and spin-current operators, based on a momentum power expansion of effective Hamiltonians. These operators play an essential role in transport problems related to semiconductor heterostructures, in particular when spin-orbit interaction is taken into account. The result, valid whatever the momentum power and including the linear (Bychkov-Rashba) term as well as the cubic (Dresselhaus or D'yakonov-Perel) term, is of special importance for spintronics.

Original language	English
Article number	235313
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	85
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.85.235313
Publication status	Published - 14 Jun 2012
Externally published	Yes

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10.1103/PhysRevB.85.235313

Cite this

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abstract = "We present a systematic construction of the probability- and spin-current operators, based on a momentum power expansion of effective Hamiltonians. These operators play an essential role in transport problems related to semiconductor heterostructures, in particular when spin-orbit interaction is taken into account. The result, valid whatever the momentum power and including the linear (Bychkov-Rashba) term as well as the cubic (Dresselhaus or D'yakonov-Perel) term, is of special importance for spintronics.",

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AU - Bottegoni, Federico

AU - Drouhin, Henri Jean

AU - Fishman, Guy

AU - Wegrowe, Jean Eric

PY - 2012/6/14

Y1 - 2012/6/14

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AB - We present a systematic construction of the probability- and spin-current operators, based on a momentum power expansion of effective Hamiltonians. These operators play an essential role in transport problems related to semiconductor heterostructures, in particular when spin-orbit interaction is taken into account. The result, valid whatever the momentum power and including the linear (Bychkov-Rashba) term as well as the cubic (Dresselhaus or D'yakonov-Perel) term, is of special importance for spintronics.

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JO - Physical Review B - Condensed Matter and Materials Physics

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Probability- and spin-current operators for effective Hamiltonians

Abstract

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