PSS's Discussion Forum

What is the difference between Hall Effect, Quantum Hall Effect and Quantum Spin Hall Effect and why we need so many Hall Effects ?

Why Schrodinger's equation does not obey general wave equation of a particle?

Why fitting of experimental data is required?

As light from a star spreads out and weakens , do gaps form between the photons?

Why some of the states are metastable and have higher lifetime as compared to others?

If Higgs boson give mass to all the particles through the Higgs Field, why does it not interact with photons and gluons to give them their masses?

Can we go fast enough to get enough mass to become a black hole?

Are eigenstates of position operator continuous?

Can we get completely filled conduction band and empty valence band?

What is the physical significance of probability current density in Quantum Mechanics?

What was Bragg's genius in X-Ray Diffraction, which led him for Nobel Prize although the diffraction from atoms was already discovered?

Does the Hamiltonian of a system always correspond to the total energy of that system?