Главная
Study mode:
on
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
Description:
Explore the fascinating world of white dwarf stars in this comprehensive lecture from the "Neutron Stars and Black Holes" summer course. Delve into the quantum nature of these celestial objects, understanding their formation, structure, and ultimate fate. Learn about the groundbreaking work of scientists like Chandrasekhar and Fowler, and grasp key concepts such as the uncertainty principle, Fermi energy, and the Chandrasekhar limit. Examine the life cycles of stars, from red giants to supergiants, and discover how white dwarfs are born. Investigate the physics behind these compact objects, including relativistic effects and degenerate matter. Conclude with a discussion on the implications of white dwarf stars for our understanding of the universe and participate in a Q&A session to further expand your knowledge.

White Dwarf Stars: Formation, Structure, and Evolution - Lecture 2

International Centre for Theoretical Sciences
Add to list
#Science #Astronomy #Stellar Evolution #Physics #Nuclear Physics #Nuclear Fusion #Cosmology #White Dwarfs #Quantum Mechanics #Fermi Gas
0:00 / 0:00
1 of 59

AM