01. Introduction | Quantum Field Theory | Dr. Jamil Aslam скачать в хорошем качестве

01. Introduction | Quantum Field Theory | Dr. Jamil Aslam

September 18, 2025 Course Instructor: Dr. Muhammad Jamil Aslam (Professor, Department of Physics, Quaid-i-Azam University, Islamabad) ✼ 𝘪𝘧 𝘺𝘰𝘶 𝘩𝘢𝘷𝘦 𝘢𝘯𝘺 𝘲𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴 𝘳𝘦𝘭𝘢𝘵𝘦𝘥 𝘵𝘰 𝘵𝘩𝘦 𝘭𝘦𝘤𝘵𝘶𝘳𝘦, 𝘱𝘭𝘦𝘢𝘴𝘦 𝘧𝘦𝘦𝘭 𝘧𝘳𝘦𝘦 𝘵𝘰 𝘭𝘦𝘢𝘷𝘦 𝘵𝘩𝘦𝘮 𝘪𝘯 𝘵𝘩𝘦 𝘤𝘰𝘮𝘮𝘦𝘯𝘵𝘴 𝘣𝘦𝘭𝘰𝘸. 𝘢𝘴 𝘦𝘯𝘰𝘶𝘨𝘩 𝘲𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴 𝘤𝘰𝘮𝘦 𝘪𝘯, 𝘸𝘦’𝘭𝘭 𝘳𝘦𝘤𝘰𝘳𝘥 𝘢𝘯 𝘦𝘹𝘤𝘭𝘶𝘴𝘪𝘷𝘦 𝘭𝘦𝘤𝘵𝘶𝘳𝘦 𝘸𝘩𝘦𝘳𝘦 𝘴𝘪𝘳 𝘸𝘪𝘭𝘭 𝘢𝘯𝘴𝘸𝘦𝘳 𝘺𝘰𝘶𝘳 𝘲𝘶𝘦𝘴𝘵𝘪𝘰𝘯𝘴! 𝘩𝘢𝘱𝘱𝘺 𝘭𝘦𝘢𝘳𝘯𝘪𝘯𝘨! ✼ Timestamps Introduction 00:00 Introduction 01:45 Wave-Particle Duality 05:50 Limitations of Schrödinger Equation 08:22 Compton Wavelength & Pair Production 15:38 Indistinguishability 18:10 Locality 18:50 Required Subjects for QFT 19:43 Vacuum Fluctuations, Scales, and Effective Theories 21:35 The Casimir Effect 22:47 Advantages of QFT Questions 25:26 Q/As 27:17 Fermions, Bosons, and Matrix Algebra 28:30 Limitations of QFT 31:30 Compton Wavelength Clarification 33:14 Do infinities make things difficult? (Scale!) 34:37 What makes something physical? (Solutions of equations & experiments) 37:41 Why is QFT a theory? 38:50 Casimir Effect Explanation 41:45 Gyromagnetic Ratios 43:12 Space, Time, Misnomers 46:45 Why complex functions? 50:00 Action at a Distance 52:44 Frame of References, Locality, Causality 56:45 Some things just are 58:28 Main figures behind the development of QFT Classical Mechanics Review 1:05:07 Classical Mechanics Recap 1:09:00 Lagrangian, Action & Euler–Lagrange Equation P.S. The audio and video production gets better from lecture 3! © Lectures are uploaded here with the express consent of Dr. Muhammad Jamil Aslam. All content remains his intellectual property.