For advanced undergraduate physics majors
What is a gauge theory?
Feynman path integral
An Introduction to General Relativity
Dirac string
Black hole information paradox
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The Basic Cosmology, the first part (for advanced undergraduate physics majors)
Why was very early universe dominated with light?
The CMB today
The CMB anisotropy analysis
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The Basic Cosmology, the second part (for advanced undergraduate physics majors)
The number density, the energy density and the entropy density of relativistic gas
Neutrino decoupling
Recombination
Big Bang nucleosynthesis
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Prerequisites for Loop Quantum Gravity, the first part
Vierbein formalism and Palatini action in general relativity
Gauge transformations in dreibein
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Prerequisites for Loop Quantum Gravity, the second part
SU(2) Lie Group and Lie Algebra
Representations of SU(2) Lie Algebra
Non-Abelian gauge theory
Wilson line and Wilson loop
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Prerequisites for Loop Quantum Gravity, the third part
The Maxwell Lagrangian and its equations of motion
Non-Abelian gauge theory in differential forms
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Unification of Gravity and Electromagnetism in 5-dimensions
Kaluza-Klein theory
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Loop Quantum Gravity (for physics graduate students)
Area operator in terms of newer variables and dreibein
Ashtekar variables
“Newer” variables in Loop Quantum Gravity
Area spectrum in Ashtekar variables and Newer variables
Spin Network
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Elasticity
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Verlinde’s emergent gravity (for advanced undergraduate physics majors)
Verlinde’s derivation of Tully-Fisher relation
Verlinde’s emergent gravity
Covariant formulation of Verlinde gravity
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The CMB anisotropy
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Moving Beyond the Korean System:
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Surprises in math, the reason why I study physics,
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Is math and science homework mechanical drudgery?
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Why Math Education Matters
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Studying physics as resolving paradoxes
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English as a foreign language versus English as a
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Physics solutions for mathematical problems
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Did Einstein really prove that Newton was wrong?
The cosmological principle, and my view on philosophy
The case for string theory
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How are theories and laws in physics created?
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