Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit

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The quantum squeezing of a collective spin-wave excitation (magnon) was investigated using femtosecond optical pulses. The quantum squeezed magnon was used to generate correlations involving pairs of spins in an antiferromagnetic insulator MnF2. It was found that the fluctutations of the magnetizati...

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Autores principales: Zhao, J., Bragas, A.V., Lockwood, D.J., Merlin, R.
Formato: JOUR
Materias:
Anisotropy
Crystallography
Dispersions
Electromagnetic fields
Fourier transforms
Ground state
Hamiltonians
Magnetization
Manganese compounds
Oscillations
Phonons
Quantum theory
Raman scattering
Refractive index
Time domain analysis
Vectors
Magnons
Quantum limits
Raman coupling
Spin noise
Antiferromagnetism
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00319007_v93_n10_p107203_Zhao
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00319007_v93_n10_p107203_Zhao
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spelling todo:paper_00319007_v93_n10_p107203_Zhao2023-10-03T14:43:12Z Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit Zhao, J. Bragas, A.V. Lockwood, D.J. Merlin, R. Anisotropy Crystallography Dispersions Electromagnetic fields Fourier transforms Ground state Hamiltonians Magnetization Manganese compounds Oscillations Phonons Quantum theory Raman scattering Refractive index Time domain analysis Vectors Magnons Quantum limits Raman coupling Spin noise Antiferromagnetism The quantum squeezing of a collective spin-wave excitation (magnon) was investigated using femtosecond optical pulses. The quantum squeezed magnon was used to generate correlations involving pairs of spins in an antiferromagnetic insulator MnF2. It was found that the fluctutations of the magnetization of a crystallographic unit cell vary periodically in the squeezed state. The Fourier transform of the linear prediction (LP) fit to the time-domain compared well with the measured two-magnon Raman spectrum. Fil:Bragas, A.V. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00319007_v93_n10_p107203_Zhao
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Anisotropy
Crystallography
Dispersions
Electromagnetic fields
Fourier transforms
Ground state
Hamiltonians
Magnetization
Manganese compounds
Oscillations
Phonons
Quantum theory
Raman scattering
Refractive index
Time domain analysis
Vectors
Magnons
Quantum limits
Raman coupling
Spin noise
Antiferromagnetism
spellingShingle Anisotropy
Crystallography
Dispersions
Electromagnetic fields
Fourier transforms
Ground state
Hamiltonians
Magnetization
Manganese compounds
Oscillations
Phonons
Quantum theory
Raman scattering
Refractive index
Time domain analysis
Vectors
Magnons
Quantum limits
Raman coupling
Spin noise
Antiferromagnetism
Zhao, J.
Bragas, A.V.
Lockwood, D.J.
Merlin, R.
Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit
topic_facet Anisotropy
Crystallography
Dispersions
Electromagnetic fields
Fourier transforms
Ground state
Hamiltonians
Magnetization
Manganese compounds
Oscillations
Phonons
Quantum theory
Raman scattering
Refractive index
Time domain analysis
Vectors
Magnons
Quantum limits
Raman coupling
Spin noise
Antiferromagnetism
description The quantum squeezing of a collective spin-wave excitation (magnon) was investigated using femtosecond optical pulses. The quantum squeezed magnon was used to generate correlations involving pairs of spins in an antiferromagnetic insulator MnF2. It was found that the fluctutations of the magnetization of a crystallographic unit cell vary periodically in the squeezed state. The Fourier transform of the linear prediction (LP) fit to the time-domain compared well with the measured two-magnon Raman spectrum.
format JOUR
author Zhao, J.
Bragas, A.V.
Lockwood, D.J.
Merlin, R.
author_facet Zhao, J.
Bragas, A.V.
Lockwood, D.J.
Merlin, R.
author_sort Zhao, J.
title Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit
title_short Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit
title_full Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit
title_fullStr Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit
title_full_unstemmed Magnon squeezing in an antiferromagnet: Reducing the spin noise below the standard quantum limit
title_sort magnon squeezing in an antiferromagnet: reducing the spin noise below the standard quantum limit
url http://hdl.handle.net/20.500.12110/paper_00319007_v93_n10_p107203_Zhao
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AT bragasav magnonsqueezinginanantiferromagnetreducingthespinnoisebelowthestandardquantumlimit
AT lockwooddj magnonsqueezinginanantiferromagnetreducingthespinnoisebelowthestandardquantumlimit
AT merlinr magnonsqueezinginanantiferromagnetreducingthespinnoisebelowthestandardquantumlimit
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