Issues

 / 

2019

 / 

January

  

Methodological notes


Quantum fluctuations in magnetic nanostructures

 a,  a,  b
a Kotel'nikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, ul. Mokhovaya 11, kor. 7, Moscow, 125009, Russian Federation
b Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, Chernogolovka, Moscow Region, Chernogolovka, 142432, Russian Federation

The problem of quantum fluctuations in magnetic nanostructures is discussed by considering a linear chain of a finite number of atoms with the electron spins of neighboring atoms interacting via exchange as in Heisenberg's theory of ferromagnetism. Electromagnetic magnetic dipole radiation from a spin flip wave is calculated. It is shown that radiation energy flux calculations including electromagnetic field quantum fluctuations give much larger values than for the averaged field. The radiation decay due to spin interaction to the quantized electromagnetic field is estimated.

Text can be downloaded in Russian. English translation is available here.
Keywords: magnetic nanostructure, electron spin, exchange interaction, spin wave, quantum fluctuations, electromagnetic field, Heitler approach
PACS: 75.30.Ds, 75.76.+j, 75.78.−n (all)
DOI: 10.3367/UFNe.2018.07.038405
URL: https://ufn.ru/en/articles/2019/1/g/
Citation: Barabanenkov Yu N, Nikitov S A, Barabanenkov M Yu "Quantum fluctuations in magnetic nanostructures" Phys. Usp. 62 82–91 (2019)
BibTexBibNote ® (generic)BibNote ® (RIS)MedlineRefWorks

Received: 17th, October 2017, revised: 29th, June 2018, 17th, July 2018

Оригинал: Барабаненков Ю Н, Никитов С А, Барабаненков М Ю «Квантовые флуктуации в магнитных наноструктурах» УФН 189 85–94 (2019); DOI: 10.3367/UFNr.2018.07.038405

References (29) Similar articles (20) ↓

  1. B.M. Bolotovskii, S.N. Stolyarov “Law of conservation of energy for the electromagnetic field as applied to radiation by moving charged particles35 (3) 248–254 (1992)
  2. M.V. Kuzelev, A.A. Rukhadze “Nonrelativistic quantum theory of stimulated Cherenkov radiation and Compton scattering in a plasma54 375–380 (2011)
  3. A.V. Vashkovsky, E.H. Lock “On the relationship between magnetostatic wave energy and dispersion characteristics in ferrite structures54 281–290 (2011)
  4. G.N. Gaidukov, A.A. Abramov “An interpretation of the energy conservation law for a point charge moving in a uniform electric field51 163–166 (2008)
  5. G.V. Shpatakovskaya “Semiclassical method of analysis and estimation of the orbital binding energies in many-electron atoms and ions62 186–197 (2019)
  6. M.Ya. Agre “Multipole expansions in magnetostatics54 167–180 (2011)
  7. S.A. Afanas’ev, D.I. Sementsov “Energy fluxes during the interference of electromagnetic waves51 355–361 (2008)
  8. S.P. Vyatchanin, F.Ya. Khalili “’Interaction-free’ measurement: possibilities and limitations47 705–716 (2004)
  9. B.M. Bolotovskii, A.V. Serov “Special features of motion of particles in an electromagnetic wave46 645–655 (2003)
  10. I.I. Sobel’man “On the theory of light scattering in gases45 75–80 (2002)
  11. V.A. Bordovitsyn, I.M. Ternov, V.G. Bagrov “Spin light38 1037–1047 (1995)
  12. V.N. Tsytovich “Collective effects of plasma particles in bremsstrahlung38 87–108 (1995)
  13. H. Paul, R. Fischer “Light absorption by a dipole26 923–926 (1983)
  14. A.A. Andronov, Yu.A. Ryzhov “An infinity of the classical theory of fluctuations in a nondegenerate electron gas21 873–878 (1978)
  15. V.P. Makarov, A.A. Rukhadze “Material equations and Maxwell equations for isotropic media; waves with negative group velocity and negative values of ε (ω) and μ (ω)62 487–495 (2019)
  16. V.S. Malyshevsky “Is it possible to measure the electromagnetic radiation of an instantly started charge?60 1294–1301 (2017)
  17. I.N. Toptygin “Quantum description of a field in macroscopic electrodynamics and photon properties in transparent media60 935–947 (2017)
  18. I.N. Toptygin, K. Levina “Energy—momentum tensor of the electromagnetic field in dispersive media59 141–152 (2016)
  19. A.G. Zagorodnii, A.V. Kirichok, V.M. Kuklin “One-dimensional modulational instability models of intense Langmuir plasma oscillations using the Silin—Zakharov equations59 669–688 (2016)
  20. A.V. Shchagin “Fresnel coefficients for parametric X-ray (Cherenkov) radiation58 819–827 (2015)

The list is formed automatically.

© 1918–2019 Uspekhi Fizicheskikh Nauk
Email: ufn@ufn.ru Editorial office contacts About the journal Terms and conditions