Hello, is there a possibility to get and use the animations by Prof. Dr. D. Bozhko for a seminar talk at the university? Of course with reference to Prof. Bozhko. Thanks
Is it possible that spin waves exist also at microtubules. MT have two tryptophane indole group at the hinge of dimers. MT can oscillate with terahertz microwaves.
Greetings! Thank you for the question. We have no experience with the mentioned systems, but keep in mind that the spin waves(SWs) are oscillatory collective excitations of the magnetic moments in ferromagnetic or antiferromagnetic media. Among the main parameters of 'survivability' of the SWs are: SW's lifetime τ, which inversely depends on the Gilbert damping 𝛼 (smaller 𝛼 => higher τ) and SW's free path, which is a distance that SW propagates before its amplitude decreases to its 1/e value, and it depends on τ and group velocity.
![Lp. Сердце Вселенной #60 РОЖДЕНИЕ ЛОЛОЛОШКИ [Финал] • Майнкрафт](http://i.ytimg.com/vi/YoR0pAV9FVQ/mqdefault.jpg)
Great lecture and channel! Many thanks!
Прекрасная лекция! Спасибо!
i have learnt a lot from your precise explanation.thank you professor.
Thanks, that was a very good intro to spin waves!
Well explained
Hello, is there a possibility to get and use the animations by Prof. Dr. D. Bozhko for a seminar talk at the university? Of course with reference to Prof. Bozhko.
Thanks
Is it possible that spin waves exist also at microtubules. MT have two tryptophane indole group at the hinge of dimers. MT can oscillate with terahertz microwaves.
Greetings! Thank you for the question. We have no experience with the mentioned systems, but keep in mind that the spin waves(SWs) are oscillatory collective excitations of the magnetic moments in ferromagnetic or antiferromagnetic media. Among the main parameters of 'survivability' of the SWs are: SW's lifetime τ, which inversely depends on the Gilbert damping 𝛼 (smaller 𝛼 => higher τ) and SW's free path, which is a distance that SW propagates before its amplitude decreases to its 1/e value, and it depends on τ and group velocity.
good
Shouldn't the equation of motion for the harmonic oscillator have a minus sign?
m d^2 x/ dt^2 = - k x?
The guys at ca. 42:00 seem pretty nice.