The Collective Model

The Collective Model: Vibrational and Rotational Nuclei

[@hantiop]

Dear DrPhysicsA, I am writing to express my gratitude. I am a philosopher of science, recently starting to work on a realism-instrumentalism debate that concerns how physicists actually developed and used nuclear models. With an undergraduate degree in physics, I was able to read some textbooks on nuclear models, but it was your video that helped me see a big picture in which different roles are played different models (e.g., the single-particle model, collective vibration model, collective rotation model, and unified model). I thank you very much for making those videos. You haven't uploaded new videos for many years, which seems to me a loss in the KZbin community. Although I personally would love to see new videos from you, I wish you the best of luck with whatever career you are pursuing.

[@pontuswikstahl1261]

I got Nuclear physics exam in 4 days! This is just what I need! I love you Dr Physics!! Your videos are great! I just want to zip on a cup of tea and listen to you all day!

[@owenwilliams6860]

Just wanted to say that last week I managed to secure a place at Cardiff Uni to study physics and astronomy largely due to your videos. You were a huge help, dude. Thank you.

[@DrPhysicsA]

Great news. Well done!

[@kaanmckenna7030]

My prof is apparanty a renowned nuclear physicist and he was absolutely abysmal at explaining all this. Thank you sir you're a life saver. About to graduate with my physics degree.

[@anujmishra9077]

Your videos are a great help!! Thank you so much for your great work...

[@maximusmcqueen]

Thanks for the video cleared it up for me, nice to see your thesis work too!

[@IntroductoryChemistry-ge6tk]

From a chemistry perspective this is excellent video. Through their nuclear equivalents, Using the part at 23 mins onwards I can finally see the basis for the angular momentum of s,p,d,f electron atomic orbitals, something that is never explained in chemistry textbooks. Would be great if you could make an equivalent video for electronic angular momentum. I'd happily direct chemistry students to it.

[@suryapratimpaul]

Thank you sir.

[@lovephysics]

Awesome explanation.

[@luispinto4319]

Can you do a video for Even-Odd and Odd-Odd? Great video by the way!

[@chenlecong9938]

He’s got.The video on Semi Empirical Mass Formula

[@raihanhussain8835]

sir please explain me the breit - wigner dispersion formula. sir please. i have my exam in three days. your videos are amazing.

[@manojjha7877]

Thanks sir

[@husseinghanim4517]

Can you make a video for interacting boson model

[@mahwishmukhtar1847]

How we can calculate ratio b/w E^2 and E^0 or E^6 and E^4

[@Yllemanden]

Just to be sure: The reason why the states with higher J values are in lower states is because of the thing you mention in the beginning ?

[@kaiserdostuff]

Yllemanden the exact reason came from derivation of J from potential model where they make use a negative sign term as an attractive potential. So, the more J you have, the more tightly bound the nucleus. It just a matter of sign, no particular weird stuff behind it. See spin-orbit coupling again, might helps.

[@veganwolf3268]

Why does L^2 = L(L+1)?

[@AddyRaina]

How do you record your videos?

[@DrPhysicsA]

I use a digital camera on a tripod pointing vertically down onto A3 paper.

[@virenderthakur9151]

sir I am from India and I need suggestion coz m about to enrolled in Phd........whats ur email Id sir so that we could have some discussion