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Instituto de Física Teórica, IFT-UNESP
Brazil
เข้าร่วมเมื่อ 11 มี.ค. 2019
Bem vindo ao canal do Instituto de Física Teórica, visite: www.ift.unesp.br/
Este é um canal para publicação dos seminários e cursos ministrados no IFT-UNESP.
Para mais detalhes sobre o IFT-UNESP, visite: www.ift.unesp.br/
Este é um canal para publicação dos seminários e cursos ministrados no IFT-UNESP.
Para mais detalhes sobre o IFT-UNESP, visite: www.ift.unesp.br/
Colloquium: Paola Gallo: Water and “the others”
Water and “the others”
IFT/ICTP-SAIFR Colloquium - September 2, 2024
Paola Gallo (Roma Tre University)
More information about this colloquium series:
www.ift.unesp.br/#!/eventos/coloquios/2024
IFT/ICTP-SAIFR Colloquium - September 2, 2024
Paola Gallo (Roma Tre University)
More information about this colloquium series:
www.ift.unesp.br/#!/eventos/coloquios/2024
มุมมอง: 31
วีดีโอ
Colloquium: Avishek Adhikari: Neuroscience discoveries through the use of visible light and viruses
มุมมอง 50วันที่ผ่านมา
Neuroscience discoveries through the use of visible light and viruses IFT/ICTP-SAIFR Colloquium - August 20, 2024 Avishek Adhikari (UCLA) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Tobias Micklitz: Emergence of Fermi's Golden Rule
มุมมอง 5814 วันที่ผ่านมา
Emergence of Fermi's Golden Rule IFT/ICTP-SAIFR Colloquium - August 21, 2024 Tobias Micklitz (CBPF) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Rafael Porto: Bootstrapping the relativistic two-body problem
มุมมอง 7221 วันที่ผ่านมา
Bootstrapping the relativistic two-body problem IFT/ICTP-SAIFR Colloquium - August 14, 2024 Rafael Porto (Desy) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Cristina Chiappini: Milky Way story told by its oldest stellar populations
มุมมอง 28หลายเดือนก่อน
Milky Way story told by its oldest stellar populations IFT/ICTP-SAIFR Colloquium - August 08, 2024 Cristina Chiappini (Leibniz Institute for Astrophysics Potsdam) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Pedro A. Machado: The Large Neutrino Collider
มุมมอง 1332 หลายเดือนก่อน
The Large Neutrino Collider IFT/ICTP-SAIFR Colloquium - July 10, 2024 Pedro A. Machado (Fermi National Accelerator Laboratory) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Markus Luty: The Higgs Boson: A Tale of Possible Universes
มุมมอง 932 หลายเดือนก่อน
The Higgs Boson: A Tale of Possible Universes IFT/ICTP-SAIFR Colloquium - July 03, 2024 Markus Luty (University of California at Davis, USA) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Christophe Grojean: Future Circular Collider: What? Why? When?
มุมมอง 682 หลายเดือนก่อน
Future Circular Collider: What? Why? When? IFT/ICTP-SAIFR Colloquium - June 27, 2024 Christophe Grojean (DESY) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Guilherme H. S. Costa: Synchronization of coupled oscillators: extensions of the...
มุมมอง 572 หลายเดือนก่อน
Synchronization of coupled oscillators: extensions of the Kuramoto model IFT/ICTP-SAIFR Colloquium - June 12, 2024 Guilherme Henrique da Silva Costa (ICTP-SAIFR & IFT-UNESP) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Dario Rosa: The challenge of quantum many-body systems (or why computational power is...
มุมมอง 4103 หลายเดือนก่อน
The challenge of quantum many-body systems (or why computational power is not enough) IFT/ICTP-SAIFR Colloquium - June 05, 2024 Dario Rosa (ICTP/SAIFR & IFT/Unesp) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Leonardo Pipolo de Gioia: Implications of Asymptotic Symmetries on Scattering
มุมมอง 743 หลายเดือนก่อน
Implications of Asymptotic Symmetries on Scattering IFT/ICTP-SAIFR Colloquium - May 29, 2024 Leonardo Pipolo de Gioia (ICTP/SAIFR - IFT/Unesp) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Manuel Asorey: The New Gravitational Landscape
มุมมอง 1413 หลายเดือนก่อน
The New Gravitational Landscape IFT/ICTP-SAIFR Colloquium - May 22, 2024 Manuel Asorey (University of Zaragoza, Spain)The New Gravitational Landscape More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Colloquium: Timoteo Carletti: Turing patterns on networks and beyond
มุมมอง 413 หลายเดือนก่อน
Turing patterns on networks and beyond IFT/ICTP-SAIFR Colloquium - May 15, 2024 Timoteo Carletti (University of Namur, Belgium) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Pedro Vieira: Topics in Quantum Field Theory - Part 12
มุมมอง 2153 หลายเดือนก่อน
This video is part of the course: Topics in Quantum Field Theory Prof. Pedro Vieira Part 08: Topics in Quantum Field Theory Course website: www.ift.unesp.br/Home/pesquisa/areadoaluno/topics_qft.pdf www.ift.unesp.br
Colloquium: Guillaume Le Treut: Generating transition paths with Markov bridges and its...
มุมมอง 924 หลายเดือนก่อน
Generating transition paths with Markov bridges and its application to cell-fate choice" and the abstract follows below IFT/ICTP-SAIFR Colloquium - May 08, 2024 Guillaume Le Treut (Chan Zuckerberg Biohub, San Francisco) More information about this colloquium series: www.ift.unesp.br/#!/eventos/coloquios/2024
Pedro Vieira: Topics in Quantum Field Theory - Part 11
มุมมอง 1764 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 11
Pedro Vieira: Topics in Quantum Field Theory - Part 10
มุมมอง 1094 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 10
Pedro Vieira: Topics in Quantum Field Theory - Part 09
มุมมอง 2654 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 09
Pedro Vieira: Topics in Quantum Field Theory - Part 08
มุมมอง 2474 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 08
Pedro Vieira: Topics in Quantum Field Theory - Part 07
มุมมอง 3114 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 07
Pedro Vieira: Topics in Quantum Field Theory - Part 06
มุมมอง 2404 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 06
Pedro Vieira: Topics in Quantum Field Theory - Part 05
มุมมอง 2914 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 05
Pedro Vieira: Topics in Quantum Field Theory - Part 04
มุมมอง 6144 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 04
Colloquium: Pedro S. Pasquini: Neutrinos as a portal to new physics
มุมมอง 2075 หลายเดือนก่อน
Colloquium: Pedro S. Pasquini: Neutrinos as a portal to new physics
Pedro Vieira: Topics in Quantum Field Theory - Part 03
มุมมอง 3805 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 03
Colloquium: Duifje Van Egmond: (Gauge) symmetries and a new perspective on the Higgs mechanism
มุมมอง 2235 หลายเดือนก่อน
Colloquium: Duifje Van Egmond: (Gauge) symmetries and a new perspective on the Higgs mechanism
Pedro Vieira: Topics in Quantum Field Theory - Part 02
มุมมอง 7845 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 02
Colloquium: Nathan Berkovits: Challenges of Quantizing Gravity: a personal view
มุมมอง 6725 หลายเดือนก่อน
Colloquium: Nathan Berkovits: Challenges of Quantizing Gravity: a personal view
Colloquium: Ana Mizher: Anomalous transport: bridging particle physics and condensed matter
มุมมอง 1115 หลายเดือนก่อน
Colloquium: Ana Mizher: Anomalous transport: bridging particle physics and condensed matter
Pedro Vieira: Topics in Quantum Field Theory - Part 01
มุมมอง 9815 หลายเดือนก่อน
Pedro Vieira: Topics in Quantum Field Theory - Part 01
When we are calculating the cross section at 30, how are using the green dirac delta but at the same time we still have it in our final relationship?
Lewis Michelle Lopez John Williams Margaret
Very good lecture❤
As calculations run back to the big bang, does the inverse square law regarding gravity also work inversley? Meaning, does the effect of gravity exponentially grow? I have a limited undertanding that fractals, the golden ratio/angle/phi, pi, and so many other things are related...but I lack the formal education and/or peers and superiors to help with understanding....could gravity be seen as the geometry of spacetime, who's dimensions shift as time goes on (dark energy expands spacetime), and determined by dimensionless points (particles), like the points of an square are dimensionless, and the shape only exists when each indistiguishable point, line, and angle meet in relation to another. And, as constants are constant, their effects are variable as dimensions of said geometry change, stronger/weaker in certain instances (areas of spacetime that have clumped together due to quantum fluctuations. Gravity, we know, is stronger as mass gets closer and closer to the same *point* in spacetime-eventually collapsing into neutron starts (potenially Neutronium) and Black holes-similar to the singularity point of the big bang. We know things vibrate, due to the Heisneberg Uncertainty Principle, and, given enough time, any possibility regardless of probability will happen. As in a neutron star, matter is vibrating and confined so closely, it has no space or time to move, until it merges into a singlularity-a point of every possibility-similar to how, in a black hole, every "path" leads to the singularity, there is no more "out", even light cannot escape--and yet there are those maps of spacetime with light cones that show that perhaps, within that infinite possibility, there is another universe! Called a White Hole...similar to the Big Bang...infinite temperature....nearly dimensionless....all the same spin, until, perhaps, the weak nuclear force aspect caused some quantum change...and...poof? Please help me educate myself and...be civil....I don't think I am a genius, I just love physics and dont have peers or superiors and my spouse is tired of discussing physics.... lets call singularity... The I-Particle....from I-Theory! Also, if singularities exist, and they are the I-particle, fundamental information, and all elctrons, for example, are one; interacting with itself throughout time as positrons and electrons....then as much as Einstein and his peers wanted to explain them away with Einstein-rosen bridge.....both would work. If Information is the only and most fundamental particle or thing, and all electrons interact with themselves, then yes, singularies could be used to travel between points, but, they would be a different reality, if for no other reason than that it has you in it from another..... www.scirp.org/journal/paperinformation?paperid=90713#:~:text=The%20I%2DTheory%20explains%20that,%E2%88%9E%20turns%20into%20A1).
Hello everyone from the pure Universe❤! Is it possible to create a working group involving students to work on a new experiment? You understand that one mind and a person are not enough? (for 119 years) By determining the constancy of speed of light, all experiments and Michelson-Morley experiments are indirect and incomplete. If the Michelson-Morley experiment was carried out on a bus or airplane and was used to determine speed. only then will this experience be direct. Therefore, Einstein does not rely on the Michelson-Morley experiment. Question. Do you have an example of such direct experience? New technologies, new research tools Let me suggest for schoolchildren and students on one's own to measure the Universe, dark energy, black holes, etc. To do this, I propose two practical devices. «laser tape measure *+reference distance* 1,000,000 m”» and «Michelson-Morley HYBRID Gyroscope». I am writing to you with a proposal for the joint invention of a HYBRID gyroscope from non-circular, TWO coils with a new type of optical fiber with a “hollow core photonic-substituted vacuum zone or (NANF)” where - the light travels 500000 (In a laser tape measure, the length of the optical fiber is fixed at 1000000 ) meters in each arm, while it does not exceed the parameters 94/94/94 cm, and the weight is 64 kg. Manufacturers of “Fiber Optic Gyroscopes” can produce HYBRID gyroscopes for educational and practical use in schools and higher education institutions. Einstein dreamed of measuring the speed of a train, an airplane - through the Michelson-Morley experiment of 1881/2024, and only then would the experiment be more than 70% complete. This can be done using a fiber optic HYBRID gyroscope. Based on the completion of more than 70% of Michelson's experiment, the following postulates can be proven: Light is an ordered vibration of gravitational quanta, and dominant gravitational fields adjust the speed of light in a vacuum. you can make scientific discoveries; in astronomy, astrophysics, cosmology, higher theoretical physics,... (We are not looking for ether, we will see the work of gravitational quanta) The result is a «theory of everything» in a simple teaching device and a new tape measure for measuring the universe.
I counted all the stars in the sky last night, there are 4796 or 4797, I'm not sure if I counted one twice. It's amazing how big the universe is
what program/laptop do you use for making this course ?
Please find a way to communicate with the past or the future for all human. You and I are both destined to die soon. My own death may be just a fleeting moment of fear, but the death of a loved one always haunts us while we're alive. It's especially agonizing when it could have been prevented-averted accidents or curable illnesses. Light is said to be of absolute speed, and it's believed that nothing can surpass it. This was Einstein's theory a century ago, so I believe there's a 99% chance It is wrong. Even if there were an absolute scale, how could we possibly find it at the current level of scientific understanding, barely making it to the moon? Anyway, currently, electromagnetic waves, gravitational waves, electrons, ions, and such have speeds similar to or equal to that of light. Instead of saying it's impossible to do before the experiment, isn't there a way to accelerate these things beyond the speed of light to send a signal to the past? For example, using a particle accelerator, solar gravity, or the solar-earth revolution cycle. As radio telescopes and satellites and cell phones are on standby 24 hours a day, isn't there a way to speed up electromagnetic waves and communicate with the past? If we find possible ways and experiment to find out whether or not, countless repetitions will naturally reveal paradoxes. We don't need to be trapped in a paradox in advance to restrict our imagination and possibilities. Personally, I think the absolute speed of light is just a barrier in the current dimension. If acceleration is faster than light, it may appear slower in our dimension, but In reality, I think it will be possible to communicate with the past or the future through other dimensions. You are much smarter than me, so please find a way to communicate with the past or the future. My father, Kyu-dong Kim, was treated by doctors at Seoul National University Hospital for two months and passed away on April 15, 2024, due to their inadequate care. I want to see my father, Kyu-dong Kim, live to be over 100. I earnestly request it. Please allow us to communicate with the past or the future to prevent such a tragic death. Isn't striving for all human beings from every era to communicate and live together the ultimate goal of humanity? I sincerely request it once again. goal of humanity?
Interesting
Também foi legalo Prof. Salomon lembrar do tênis de mesa. Eu ganhei um torneio jogando contra ele, contra o Prof. Castilho.
Parabéns por contar a História de tão importante Instituto, onde tive a honra de fazer a minha Iniciação Científica com o Prof. Bruto Pimentel e o meu Mestrado com o Prof Zimerman .
Fantastic! Thank you for sharing this course.
thank you so much sir!! you have helped me immensely!!
Museu de grandes novidades.........., nas tá valendo✌
Fraco hein..............................., mas tá valendo
Very useful thank you
Thank you for these videos.
49:35 random walk
58:20
Take A Moment Let's relax and enjoy a genius at play 🎉 Thank you for your work No god's seen or heard in my foxhole for 46 years after 28 years in the RAF. Stay Safe Stay Free 🌎 ❤
Vou fazer uma pergunta em português por pura preguiça de elaborar em inglês mesmo. Espero que o sr responda mesmo assim kk. No exemplo das bolhas de vácuo da página 118 e 119 das suas notas de aula, aparece por volta de 1:02:16 no vídeo aparece um fator de 2 multiplicando depois de uma derivação que eu não entendi de onde vem. No exemplo anterior dá a entender que o fator de 2 só aparece depois de aplicar um par e integrar com as deltas.
Não estou conseguindo identificar qual dos (muitos) fatores de 2, você não entendeu. Aí há fatores que vem de expansão da série perturbativa (N!), do número de linhas externas (q! e 2^q), da própria Lagrangiana (p!). Se você está falando em 1:04:43, vale a pena comparar com a equação 117.2 das notas de aula. Se você conseguir especificar melhor qual fator está com dúvida, te dou uma resposta melhor.
@@ricardomatheus Esse fator de 2^q que aparece na 117.2 é cancelado por um fator de 2^q que surge depois de aplicar um par de derivadas sobre um par de campos e integrar, certo? Mas no caso n = 0, p = 2, N = 2 (Q = 4, q = 2) logo depois de atuar uma derivada em um campo já aparece um fator 2 que eu não entendi. Logo depois de atuar a derivada delta/delta(omega_j) nos campos. Talvez fique mais fácil se eu indicar a localização. Fica Bem abaixo do parágrafo: "Inocentemente teríamos 2! adivindo das integrais em x e y e (2!)2 advindo do fato de termos dois campos em x e dois em y, para um total de 8 termos iguais. Mas veja:" .
@@DanielLima-kp9lo Ok, é o fator de 2 que logo nesta passagem é cancelado com o 1/8 que está fora da integral, certo? Este fator de 2 vem do fato de que estou derivando Φ²(x) Φ²(y) (que ali escrevi Φ(x)Φ(x)Φ(y)Φ(y) ), então quando derivo Φ²(x) em relação à Φ(ω_j), obtenho δΦ²(x)/δΦ(ω_j) = 2 Φ(x) δ (x - ω_j) . A derivação funcional em muitos aspectos funciona da mesma forma que uma derivação usual, aí apareceu a regra da cadeia.
@@ricardomatheus Esse mesmo. Ah, sim. Faltou atenção. Obrigado
I watched it all. I feel acomplished.
MUONS or nothing. Hard choice.
this helped me understand CTs so much sir. Thank you!
Hi, thank you for these amazing lectures. What is the program you're using to draw? It's got many neat functions and I'd like trying it :)
I record the lectures using Adobe Illustrator, which is a bit of an overkill for this. Most vector-based drawing software can do a similar job (including the free ones).
Your Homework is to learn CIG Theory and write a short paper on same. Due date is OPEN but get working.
Amazing content, thank you so much for the clear explanations.
Is this video in 1990 ??
55:00
1:25:00
These are by far the best lectures on QFT that I have come across! The amount of details is awesome.
You are fantastic. Thanks a lot
"Can I have ten more minutes?" ... still going strong 40 minutes later
Love every lecture that I have seen from Nima! What a brilliant person, has worked very hard, it's very intuitive, what a great sharing of ideas with us! Thank you, sir!
Would you like some visuals?
Can you start with a visual of the singularity?
nowadays the courses are also in English?
General Relativity predicts dilation, not singularities. In the 1939 journal "Annals of Mathematics" Einstein wrote - "The essential result of this investigation is a clear understanding as to why the Schwarzchild singularities (Schwarzchild was the first to raise the issue of General Relativity predicting singularities) do not exist in physical reality. Although the theory given here treats only clusters (star clusters) whose particles move along circular paths it does seem to be subject to reasonable doubt that more general cases will have analogous results. The Schwarzchild singularities do not appear for the reason that matter cannot be concentrated arbitrarily. And this is due to the fact that otherwise the constituting particles would reach the velocity of light". He was referring to the phenomenon of dilation (sometimes called gamma or y) mass that is dilated is smeared through spacetime relative to an outside observer. A graph illustrates its squared nature, dilation increases at an exponential rate the closer you get to the speed of light. Time dilation is just one aspect of dilation, it's not just time that gets dilated. There is no singularity at the center of our galaxy. It can be inferred mathematically that dilation is occurring there. This means that there is no valid XYZ coordinate we can attribute to it, you can't point your finger at something that is smeared through spacetime. More precisely everywhere you point is equally valid. In other words, that mass is all around us. This is the explanation for dark matter. The "missing mass" is dilated mass. Dilation does not occur in galaxies with low mass centers because they do not have enough mass to achieve relativistic velocities. To date 6 very low mass galaxies including NGC 1052-DF2 and DF4 have been confirmed to show no signs of dark matter. This also explains why all planets and all binary stars have normal rotation rates, not 3 times normal. The concept of singularities is preventing clarity in astronomy. Einstein is known to have repeatedly said that they cannot exist. Nobody believed in them when he was alive including Plank, Bohr, Schrodinger, Dirac, Heisenberg, Feynman etc.
actually, penrose in 65 paper define a trapped surface. This goes to a topological thing, but he used the term singularity because of hawkings bigbang theorem, but actually the black hole is a trapped surface that we can describe if it's or not a singularity
@@viniciusvalino6465 Einstein's reasoning on why singularities do not exist is solid as a rock, they have always been a stubbornly persistent fictional term. General Relativity predicts dilation. Dilation is the elephant in the room explanation for dark matter/galaxy rotation curves
@@shawns0762 einstein died in 1955, do you know that penrose theorem come in 65 and now we have proofs of black holes?
"... gravity in four dimensions is nonrenormalizable ..." In order to understand gravity, is it necessary to explain Milgrom's MOND in terms of string theory? I say: Professor Milgrom of the Weizmann Institute is the world's greatest living scientist. Milgrom is the Kepler of contemporary cosmology. Milgrom is 20 years overdue for a Nobel Prize. Why do I say these things? Google "pavel kroupa dark matter" and "riccardo scarpa mond arxiv". Is there now abundant empirical evidence for SUSY? Consider some conjectures: (1) There are three fundamental levels of physics: classical field theory, quantum field theory, & string theory. (2) Edward Witten is the world's greatest living theoretical physicist. (3) The main problem with string theory is that the string theorists fail to realize that Milgrom is the Kepler of contemporary cosmology. (4) There might be two fundamental forms of string theory: Bohr-Witten-Milgrom string theory and Einstein-Fredkin-Wolfram string theory. (5) Bohr-Witten-Milgrom can provide mathematical models of any plausible physics. (6) In Bohr-Witten-Milgrom string theory, SUSY is hidden in the multiverse boundary that separates alternate universes, string vibrations carry ( paradoxical) MOND inertia, and the -1/2 in the standard form of Einstein's field equations needs to be replaced by -1/2 + MOND-inertia-data-function . (7) One might think of the MOND-inertia-data-function as a form of "multiverse noise" that disrupts the mathematical beauty of Einstein's field equations. Are the preceding conjectures wrong? Google "milgrom mond inertia".
I am confused, it seems to say that deterministic chaos destroys information??
Nima is the one to bring things to the point. Why not asking simple questions. He does. It takes anybody whoever was in physics away and it sounds way more reasonable as anybody else. It is down to earth.Does anybody know whether he is with Steven Wolfram. Well it is probably not the same thing, but Grassmanian and Irriducibility might probably come together in particular with virtual particles, which, lets be honest,do not exist. Not doing any criticism to Feynman. He is indisputably the best, but probably in Quantum Physics, we are leaving the world of statistics today and make this world real.
49:37
Sir sound is not coming properly
44:36
Thank you ! <3
Hi, professor. Thanks for the lectures. It is amazing to have such thorough material available on TH-cam for free. I have a question. I don't understand what you mean by "thin enough". Why is this a necessary condition for having t_i = tbar in the time slicing?
The key point is that I need to be able to replace the "\hat{q}(tbar)" operator by the eingenvalue "q(tbar)" and "| q, t >" is only an eigenvector of "\hat{q}(tbar)" for tbar = t. If I have an infinite number of intermediate t_i, there will certainly be one that satisfies t_i = tbar (that can be made more precise with limits and epsilons, but I won't do it here). That is where the "thin enough" condition matters. In the limit epsilon goes to zero I populate the whole real time axis with t_i. So, the "thin enough" is not a NECESSARY condition (I could certainly choose a rough slicing and choose tbar so it coincides with one t_i), it is a SUFICIENT condition. That is better, as I can apply the result to a general value of tbar.
@@ricardomatheusSo its about to make tbar the same size of epsilon or the others ti's?
Helena Petrovna Blavatsky wrote about the Ether and the Higgs particle long before Peter Higgs. When particles become elusive and defy the laws of Newtonian physics that's the realm of the Ether where thoughts travel from one brain to the other.
Yes, theosophists described a quark as a triplet of fundamental subquarks long ago. Physics is still anware of their existence.
Please recommend me a book for these lectures .
At every video there are references at the start (at the very top, once the "blackboard" shows up). Those are all chapters in well known QFT books. Since I move around those books, there is no single one the covers all, but the most present one would be Peskin and Schroeder's
@@ricardomatheus Thanks sir
13:33
Dear Prof. Matheus, congratulations for your excellent work. I wish I'd had you as my QFT teacher years back when I was a physics student. Although the material presented here was of course not new to me, it's always a pleasure to go through things all over again, especially if the first encounter (such was my case) wasn't too terribly illuminating. Keep up the good work!
Thanks for a beautiful presentation of the topic.