Theory of optical generation and detection of propagating magnons in an antiferromagnet

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https://doi.org/10.1103/physrevb.107.094423
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Theory of optical generation and detection of propagating magnons in an antiferromagnet. / Leenders, R. A.; Mikhaylovskiy, R. V.
In: Physical review B, Vol. 107, No. 9, 094423, 01.03.2023, p. 1-12.

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

Bibtex

@article{142fb4b065e04a989432990642c9c80d,

title = "Theory of optical generation and detection of propagating magnons in an antiferromagnet",

abstract = "We report a theory of optical generation and detection of the propagating spin waves in antiferromagnetic materials relevant for ultrafast pump-probe experiments. We derive and solve the equations of motion for antiferromagnetic spins in response to the light-induced effective magnetic field in the linear regime. Different forms of the excitation and the properties of the generated spin waves are analyzed. We theoretically show the selective detection of the spin waves by the magneto-optical Kerr effect. The developed formalism is readily applicable to inform future experiments on antiferromagnetic optomagnonics.",

author = "Leenders, {R. A.} and Mikhaylovskiy, {R. V.}",

note = "{\textcopyright} 2023 American Physical Society ",

year = "2023",

month = mar,

day = "1",

doi = "10.1103/physrevb.107.094423",

language = "English",

volume = "107",

pages = "1--12",

journal = "Physical review B",

issn = "2469-9950",

publisher = "AMER PHYSICAL SOC",

number = "9",

}

RIS

TY - JOUR

T1 - Theory of optical generation and detection of propagating magnons in an antiferromagnet

AU - Leenders, R. A.

AU - Mikhaylovskiy, R. V.

PY - 2023/3/1

Y1 - 2023/3/1

N2 - We report a theory of optical generation and detection of the propagating spin waves in antiferromagnetic materials relevant for ultrafast pump-probe experiments. We derive and solve the equations of motion for antiferromagnetic spins in response to the light-induced effective magnetic field in the linear regime. Different forms of the excitation and the properties of the generated spin waves are analyzed. We theoretically show the selective detection of the spin waves by the magneto-optical Kerr effect. The developed formalism is readily applicable to inform future experiments on antiferromagnetic optomagnonics.

AB - We report a theory of optical generation and detection of the propagating spin waves in antiferromagnetic materials relevant for ultrafast pump-probe experiments. We derive and solve the equations of motion for antiferromagnetic spins in response to the light-induced effective magnetic field in the linear regime. Different forms of the excitation and the properties of the generated spin waves are analyzed. We theoretically show the selective detection of the spin waves by the magneto-optical Kerr effect. The developed formalism is readily applicable to inform future experiments on antiferromagnetic optomagnonics.

U2 - 10.1103/physrevb.107.094423

DO - 10.1103/physrevb.107.094423

M3 - Journal article

VL - 107

SP - 1

EP - 12

JO - Physical review B

JF - Physical review B

SN - 2469-9950

IS - 9

M1 - 094423

ER -

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