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Schrödinger equation for hydrogen 

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MIT 8.04 Quantum Physics I, Spring 2016
View the complete course: ocw.mit.edu/8-04S16
Instructor: Barton Zwiebach
License: Creative Commons BY-NC-SA
More information at ocw.mit.edu/terms
More courses at ocw.mit.edu

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4 июл 2017

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Комментарии : 71   
@okaunis
@okaunis 2 года назад
A class in mathematical Physics is needed. It's not as complicated as it looks when you know the prerequisite math.
@zunwang2214
@zunwang2214 4 года назад
When you thought you can learn QM from RU-vid at your leisure, this video made you think again.
@peteconway251
@peteconway251 4 года назад
mmmmmm.........got that result through complex statististical mechanical foundational system state unit structure with units of energy and claim that we get #4^N(0)_!!- everything and then take that numnuts result and encapsulate this guys teaching ability. WTF?
@epicspartan10
@epicspartan10 3 года назад
@@peteconway251 that sentence was nonsense lmao
@ian3018
@ian3018 2 года назад
idk man, i'm learning this stuff at university rn. I think this guy just chose a very convoluted way of reaching a solution. This stuff is definitely learnable. Just find a good textbook.
@lil_ToT-XFZ1
@lil_ToT-XFZ1 9 месяцев назад
physics.gmu.edu/~pnikolic/PHYS308/lectures/hydrogen.pdf
@FalsoT
@FalsoT 6 месяцев назад
Well fuck you for reading my mind voice i watched a 5 hour long video and unferstood 10% sht
@mastershooter64
@mastershooter64 Год назад
his board handwriting is actually really good, it's eyecandy for any mathematics/physics students who loves the symbols lol
@lil_ToT-XFZ1
@lil_ToT-XFZ1 11 месяцев назад
That is exactly why I prefer his lectures, so prestine!
@Psi01
@Psi01 2 месяца назад
I remember doing this for physical chemistry and it's as long as I remember. This is just for one hydrogen atom though, the first and "lightest" element... It's different when you consider that hydrogen is usually a molecule of 2 atoms, which makes it more complicated with 2 nuclei such that you have to use the born-oppenheimer approximation to make the math a bit easier.
@thatomofolo452
@thatomofolo452 8 месяцев назад
Great content 👍👍
@kerriel.stephens5700
@kerriel.stephens5700 5 лет назад
Great video Tell inks are also required
@aprodriguesoficial
@aprodriguesoficial 4 года назад
What is the point in cleaning up the units as made about 4:34 and in other classes?
@outroutono4937
@outroutono4937 4 года назад
because when u doing the differential equation, its better to find a way to write a expression that is continuous. the variables "r", etc are all quantized, therefore is really hard to find a solution for de D.E. if you write it in therms of continuous variables u can guess solutions easier. usually exponential: because in differential equations we want aways to deal with continuity and so on...
@leonardbrikus9906
@leonardbrikus9906 4 года назад
How the final equation about w comes?
@mikikaboom9084
@mikikaboom9084 3 года назад
u=ro^(l+1)*exp(-ro)*w(ro) Calculate d^u/d(ro)^2 and substitute there.
@bobbywinston116
@bobbywinston116 2 года назад
I struggled in HS in algebra and I watch these to make me feel dumb and depressed 🙃
@asfasdfsd8476
@asfasdfsd8476 2 года назад
physics is wrong thing to get depressed about. trust....
@kgfcccvvhbbbc7565
@kgfcccvvhbbbc7565 2 года назад
Why U=p"(l+1) ? Please tell me. Thanks.
@philipp8276
@philipp8276 2 года назад
it's explained in more detail 2 lectures prior to this one
@philipp8276
@philipp8276 2 года назад
This one ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-_XDm2cxC-UU.html
@superLegmone
@superLegmone Год назад
@@philipp8276 which minute?, can't find it
@ronaldjorgensen6839
@ronaldjorgensen6839 3 месяца назад
thank you need big review 40 years away from books
@asyareedus
@asyareedus Год назад
how can we just make up an equation for r.. and then also make it look completely random.. ^^
@3rnestwood
@3rnestwood Год назад
What about factoring in consciousness. Intent. Yes we can calculate it. But what about the observer understanding that the atom is in fact conscious.
@sylvestermarquardt5883
@sylvestermarquardt5883 Год назад
consciousness is an oscillation (or a spin or angular momentum, if you will). It is fundamental and measured in h bar. It cannot be factored. It is eternal. And true physicists call it action. Peace.
@alankovacik1928
@alankovacik1928 5 лет назад
Zwiebach, that's twice baked!
@reinerwilhelms-tricarico344
@reinerwilhelms-tricarico344 5 лет назад
Alan Kovacik Twice baked is Zwieback. His name, Zwiebach, would mean Two creek(s).
@Marcofernandez12
@Marcofernandez12 4 месяца назад
🙏🏾
@mohammedaboelhija5478
@mohammedaboelhija5478 4 года назад
Nope did not understand
@gametopia6457
@gametopia6457 3 года назад
Congratulations no one did
@pablodominguez526
@pablodominguez526 3 года назад
What is l(l+1)?
@MudahnyaFizik
@MudahnyaFizik 3 года назад
I believe it's from legendre transformation
@jimmyb998
@jimmyb998 3 года назад
It's the eigenvalue of the L² operator, which is what the whole angular dependence operator turned out to be (lectures 20 & 21)
@toanhien494
@toanhien494 2 года назад
I guess, it is the squared version of the angular momentum of the electron around its nucleus
@asdfasdfasdf383
@asdfasdfasdf383 Год назад
At some point, we're assuming that x goes to infinity - But here did this assumption come from?
@wlankabel2986
@wlankabel2986 9 месяцев назад
I think he was forcing for normalization for x or rho to infinity. Because every solution in quantum mechanics (at least as far as I know) has to have a solution even into infinity. (Think of a free particle in an infinite space. If you solve for the whole space into infinity it has to be somewhere thus yield a solution)
@asdfasdfasdf383
@asdfasdfasdf383 9 месяцев назад
Thanks @@wlankabel2986 I'm actually more of a lurker here, but this material is weirdly captivating. I don't even know why.
@wlankabel2986
@wlankabel2986 9 месяцев назад
@@asdfasdfasdf383 Yeah quantum mechanics can be wierd sometimes but it's a beautiful ride. If my explanation was a bit off you can search for normalization condition.
@juansamudio1171
@juansamudio1171 4 года назад
Wait a minute this isn’t the pre-algebra that I’m learning
@seandafny
@seandafny 4 года назад
You’re not in Kansas anymore
@ahmadardani2215
@ahmadardani2215 3 года назад
@@seandafny i dont get a joke
@kerriel.stephens5700
@kerriel.stephens5700 5 лет назад
One bil .
@krishnamangal98
@krishnamangal98 4 года назад
It was asked in iit 2017
@Assdsdefgxghytrty5331
@Assdsdefgxghytrty5331 3 года назад
that's why iit suck
@whitehorse1959
@whitehorse1959 3 года назад
Reality = Mathematics? Are we in a simulation?
@BPEREZRobertJamesL
@BPEREZRobertJamesL 3 года назад
Physics is just a model. It's a model of reality, not reality itself.
@maxwellsequation4887
@maxwellsequation4887 3 года назад
Existential crisis time!
@athul_c1375
@athul_c1375 3 года назад
@@BPEREZRobertJamesL math is the model physics is the reality
@BPEREZRobertJamesL
@BPEREZRobertJamesL 3 года назад
@@athul_c1375 So are you saying that things can decide which path they should take (from Lagrangian Mechanics)? And that the universe is lazy (again from Lagrangian Mechanics)? That's what the math says if you take it literally. These totally absurd predictions by physics pretty much tells us that it is just a model of reality but not reality itself Another reason why physics cannot be reality itself is because it is literally a set of approximations. Even if we get to the theory of everything, there would still be a very large chunk of physics where approximations rule. And math cannot be a model of reality. Math is about abstract patterns and stuff, not real things. Let me clear this up. A model is something that is useful in making predictions in reality. Math can be used in models, but math itself isn't. For example, take number theory. It is a branch of math that is about integers and their structure, but idk if that can be useful in modeling any physical phenomena. Plus I have already said what the "purest" of math is all about: abstract stuff and patterns.
@athul_c1375
@athul_c1375 3 года назад
@@BPEREZRobertJamesL abstarct math made in 100 yrs ago are now used for physics theorys For example imaginary numbers
@benheideveld4617
@benheideveld4617 2 года назад
The music of this guy’s voice is irritating me…
@michaelgonzalez9058
@michaelgonzalez9058 Год назад
Fku
@abhishekkumarrathore9807
@abhishekkumarrathore9807 3 года назад
any one from INDIA preparing IIT as this equation was asked in IIT2017
@koro-sensei9783
@koro-sensei9783 3 года назад
2017 paper was really challenging
@prerakcontractor6609
@prerakcontractor6609 3 года назад
Yh, I mean what is the point of asking Schroedinger equation to 12th class students?
@gepliprl8558
@gepliprl8558 3 года назад
@@prerakcontractor6609 Wonder the same thing. Asking scroedinger problems to 12th class doesn't imply the quality of education there. You're simply studying too hard.
@prerakcontractor6609
@prerakcontractor6609 3 года назад
@@gepliprl8558 And the worst thing is, we are not even supposed to understand it, just memorise tricks to find which orbital the equation represents :(
@chandramohan9531
@chandramohan9531 3 года назад
I am solving 2004 paper and came here 😊
@bitterbob30
@bitterbob30 2 года назад
I think this guy just made up half the shit on this video.
@jamescollier3
@jamescollier3 2 года назад
maybe, but it's still on the test next Friday😃
@lalitasharma6687
@lalitasharma6687 Год назад
If you learn anything from this video you are genius This prof is really bad at teaching
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