Mathematical Intuition behind String Theory | Download Free

Journey into the Sublime Depths of the Universe's Fundamental Fabric: String theory, Quantum and Relativistic Physics
What you'll learn
Gain a comprehensive understanding of the relativistic point particle in D-dimensions
Understand the fundamentals of the Relativistic String
derive the equations of motion from the Nambu-Goto action
Learn about the Polyakov action, and the symmetries associated with it
Master the Quantization of the String
Gain insights into annihilation and creation operators, as well as the concept of ghosts
Understand the ambiguity of constraints after quantization
The process of eliminating ghosts through the Lightcone gauge
Learn how to quantize the mass spectrum of the string
Explore Particles Predicted by String Theory and Derivation of Einstein's Theory of General Relativity
The existence of gravitons and higher excited states
Discover the derivation of Einstein's field equations from String Theory, uncovering the deep connection between these two fundamental theories
Delve into the significance of renormalization
Explore the relation between rank-2 symmetric tensors and spin = 2
Requirements
tensors (Riemann tensor, metric tensor, etc. and how to manipulate them)
Field equations of General Relativity
How to obtain equations of motion from an action
Basic Quantum Field Theory (how to quantize a field, what is a propagator, how to use annihilation and creation operators to form particles)
Description
Are you perhaps wondering if I'm a bit ambitious in offering a course on the complexities of String Theory?  I'd like to share the motivation behind my decision.When I delve into the captivating world of mathematics and its profound applications in physics, I'm driven to share that beauty with others. Despite some skepticism, even from within the scientific community, String Theory offers impactful insights. In this course, we'll explore its connection to the existence of the graviton and the derivation of Einstein's field equations, making it a fascinating subject in its own right.Now, you might be thinking: 'well, that sounds intriguing, but the mathematics involved must be incredibly difficult'. I won't deny that String Theory requires advanced mathematical tools for a thorough understanding. However, if you have ever come across my way of teaching, you'll know that I strive for clarity rather than excessive mathematical rigor. While a solid grasp of tensors, general relativity (including concepts like the Riemann tensor and metric tensor), and a basic knowledge of quantum field theory are prerequisites, rest assured that I prioritize intuition and motivation over overwhelming complexity.To fully appreciate the contents of this course, a basic understanding of quantum field theory with a focus on propagators, operators, and second quantization will suffice. We'll embark on an intuitive journey together, where I'll provide the necessary motivation for each equation and concept we encounter.--------------------------------------------------------------------------------------------------------------------ADDITIONAL INFO ON THE COURSEAre you ready to embark on an adventure that will challenge your understanding of the universe? Feel free to join me in "Mathematical Intuition behind String Theory," a course that delves deep into the enigmatic realm of string theory. While some may perceive it as a daring endeavor, I am here to share my unwavering passion for this captivating subject and unravel the awe-inspiring beauty it holds.In Section 1, we will unravel the secrets of the relativistic string. We dive into the world of relativistic point particles in D-dimensions, quantizing their behavior and then moving on to strings, unraveling the intricacies of the Nambu Goto action. We will explore the fundamental length in string theory and then derive the equations of motion that guide the dynamics of the relativistic string. But that's not all – we will also unveil the Polyakov action, exposing its symmetries, and these symmetries will allow us to simplify the metric. We will also write the Fourier series expansion, which will be fundamental when we quantize the theory in section 2.In Section 2, we move towards string quantization. We derive the commutation relations governing the Fourier modes of the string, with annihilation operators, creation operators, and even ghosts! We will shed light on the fundamental lightcone gauge that will allow us to get rid of ghosts. We will then quantize the mass spectrum of the string, unlocking the door to a wealth of fascinating insights.In Section 3, we will explore the remarkable particles that emerge from the depths of string theory. Interestingly, gravitons are predicted by this extraordinary theory, as well as other particles. And just when you thought it couldn't get any more profound, we will witness the breathtaking derivation of none other than Einstein's field equations from string theory itself. As a passionate explorer of string theory, I understand that some might raise an eyebrow or question the audacity of delving into this intricate subject. But it is precisely because of this skepticism that I am driven to share the hidden beauty behind the theory. Einstein's field equations arising from string theory and the existence of the elusive graviton are just a glimpse of the profound revelations that await. Together, we will transcend the boundaries of conventional thinking and uncover the mathematical elegance that underpins the universe itself.So, if you're ready to venture beyond the known and embrace the unconventional, join me in "Mathematical Intuition behind String Theory." Together, we will challenge the status quo, ignite our curiosity, and experience the sheer marvel of unraveling the mysteries of the cosmos. Enroll now and let the journey begin!
Who this course is for
physicists
master's level students in physics (or advanced undergraduates)
mathematicians
physics' enthusiasts
anyone who is eager to discover the mathematical beauty of the universe
Homepage

https://www.udemy.com/course/mathematical-intuition-behind-string-theory/