Journal
PHYSICAL REVIEW B
Volume 79, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.220405
Keywords
magnons; paramagnetic resonance; phonons; spontaneous symmetry breaking
Funding
- Ministry of Education, Culture, Sports, Science and Technology, Japan. [19540371]
- Grants-in-Aid for Scientific Research [19540371] Funding Source: KAKEN
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It is suggested that marked features of symmetry-breaking mechanism and elementary excitations in chiral helimagnet come up as visible effects in electron-spin-resonance (ESR) profile. Under the magnetic field applied parallel and perpendicular to the helical axis, elementary excitations are, respectively, described by the helimagnon associated with rotational symmetry breaking and the magnetic kink crystal phonon associated with translational symmetry breaking. We demonstrate how the ESR spectra distinguish these excitations.
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