Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction

Physics

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Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction. / McCann, E ; Falko, Vladimir.
In: EPL, Vol. 56, No. 4, 11.2001, p. 583-589.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{c0369bc2456b4b42b5fa1b4f3a23e167,

title = "Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction",

abstract = "A new mechanism for inelastic Andreev reflection at a ferromagnetic metal-superconductor interface is proposed, which consists of the simultaneous injection of a Cooper pair from the superconductor and the emission of a magnon inside the ferromagnet. We nd that this process generates an additional contribution to the subgap non-linear I(V) characteristics, which is asymmetric with respect to the sign of the bias voltage and is related to the density of states of magnons in the ferromagnet.",

author = "E McCann and Vladimir Falko",

year = "2001",

month = nov,

language = "English",

volume = "56",

pages = "583--589",

journal = "EPL",

issn = "0295-5075",

publisher = "IOP Publishing Ltd.",

number = "4",

}

RIS

TY - JOUR

T1 - Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction

AU - McCann, E

AU - Falko, Vladimir

PY - 2001/11

Y1 - 2001/11

N2 - A new mechanism for inelastic Andreev reflection at a ferromagnetic metal-superconductor interface is proposed, which consists of the simultaneous injection of a Cooper pair from the superconductor and the emission of a magnon inside the ferromagnet. We nd that this process generates an additional contribution to the subgap non-linear I(V) characteristics, which is asymmetric with respect to the sign of the bias voltage and is related to the density of states of magnons in the ferromagnet.

AB - A new mechanism for inelastic Andreev reflection at a ferromagnetic metal-superconductor interface is proposed, which consists of the simultaneous injection of a Cooper pair from the superconductor and the emission of a magnon inside the ferromagnet. We nd that this process generates an additional contribution to the subgap non-linear I(V) characteristics, which is asymmetric with respect to the sign of the bias voltage and is related to the density of states of magnons in the ferromagnet.

M3 - Journal article

VL - 56

SP - 583

EP - 589

JO - EPL

JF - EPL

SN - 0295-5075

IS - 4

ER -

Research