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Lusypher
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7 votes
2 answers
2k views

Why is Equation of State of Photon gas different from the Equation of State of Boson gas?

2 votes
3 answers
228 views

Why the isotherm in the $p$-$V$ diagram is horizontal during the1st Order Liquid-Gas phase transition?

2 votes
1 answer
160 views

Why Photon gas's Equation of State Diverges?

2 votes
1 answer
186 views

Derivation of Hamilton-Jacobi (HJ) Equation

1 vote
2 answers
1k views

Planck's assumptions for treatment of blackbody radiation

1 vote
0 answers
51 views

How the Zero-point Energy of the System containing 2 Fermions in 3 Micro-Energy States is 1?

1 vote
1 answer
368 views

Why does the ground-state energy of the quantum harmonic oscillator result in ultraviolet catastrophe? [duplicate]

0 votes
1 answer
115 views

How can we ignore the diverging term $e^\infty$ in the integral?

0 votes
0 answers
57 views

Commutation relation of position and Hamiltonian operator [duplicate]

0 votes
2 answers
78 views

Symmetry of Crystalline Lattice

0 votes
2 answers
99 views

How do the Spin Angular Momenta and Orbital Angular Momentum of Neutron and Proton couple to result Total Angular Momentum of Deuteron=1?

0 votes
1 answer
58 views

How to transform Arbitrary Rotation Matrix $A$ to a coordinate system where the $z$ axis lies along the axis of rotation by Similarity Transformation?

-1 votes
1 answer
505 views

Proving Relationship between Statistical Weight $Ω$ and Partition Function $Z$