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White Dwarf Stars: Formation, Structure, and Evolution - Lecture 2
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- 1 AM
- 2 White Dwarf Stars Lecture - 02
- 3 Quantum Stars
- 4 What are the stars? and Why are they as they are? Condensed Stars
- 5 The strange companion of Sirius!
- 6 Are such super-dense stars doomed?
- 7 What will happen to the star when the nuclear reactor at its center fails?
- 8 Sir Ralph Howard Fowler 1889-1994
- 9 Quantum Physics
- 10 Heisenberg's Uncertainty Principle
- 11 White Dwarfs are Quantum Stars
- 12 White Dwarfs are for ever!
- 13 Enter Chandra: 1928
- 14 Radiation Pressure
- 15 Hydrostatic Equilibrium
- 16 Classical Physics All momentum values are allowed.
- 17 Consider motion in one dimension. Let the electron be confined to a length L.
- 18 Pauli's exclusion principle allows us to put two fermions in a cell in phase space.
- 19 Fermi Momentum
- 20 Fermi Energy
- 21 Pressure of an ideal classical gas
- 22 Pressure of a Fermi gas at T=0 K
- 23 Chandrasekhar's Theory of White Dwarfs
- 24 Chandrasekhar's Theory of White Dwarfs 1930
- 25 Mass - Radius Relation for White Dwarfs S. Chandrasekhar, 1930
- 26 Stars of all mass will find their ultimate peace as Quantum Stars supported by the pressure of electrons
- 27 History is made
- 28 Relativistic Fermi Gas
- 29 Fermi Energy
- 30 Fermi Energy: Ultra relativistic particles
- 31 Relativistic White Dwarfs
- 32 A fully relativistic WD has no radius! But it has a unique mass!
- 33 Chandrasekhar Limit
- 34 White Dwarfs in the sky!
- 35 How does Nature make white dwarfs?
- 36 Deep inside the star
- 37 To burn or not to burn? That is the question
- 38 Ideal Gas Core
- 39 Fully Degenerate Core
- 40 Classical or Quantum?
- 41 The fate of the contracting core
- 42 Low Mass Stars
- 43 Gravo-Thermal Catastrophe
- 44 Red Giant Star
- 45 Contracting helium core
- 46 Helium Flash in the degenerate core
- 47 The Helium Bomb!
- 48 The Degenerate Carbon Core
- 49 Red Supergiant Star
- 50 A White Dwarfs is born
- 51 Diamonds in the sky!
- 52 The progenitors of white dwarfs
- 53 Diamonds are not for ever!
- 54 Chandrasekhar Limit
- 55 Aristotle 384 BC - 322 BC
- 56 The matter of which the heavens are made is imperishable, and thus not subject to generation or corruption
- 57 Sir Arthur Eddington, at the meeting of the Royal Astronomical Society in London in 1935.
- 58 The Violent Universe
- 59 Q&A
