User jabirali

43 votes

Accepted

If spacetime is curved, how would anyone know? If anyone could tell, would that really be spacetime curving?

answered Feb 8, 2017 at 20:42

20 votes

Intuitively Re-Deriving Equations of Mathematical Physics

answered Nov 8, 2013 at 7:12

19 votes

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What is the Difference Between BCS Theory and Ginzburg-Landau Theory?

answered Dec 1, 2014 at 21:33

16 votes

Gibbs free energy intuition

answered Nov 29, 2014 at 16:49

15 votes

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Explanation of homogeneity of space and time by giving examples?

answered Nov 4, 2013 at 15:54

9 votes

Why doesn't $ds^2 = 0$ imply two distinct points $p$ and $p'$ on a manifold are the same point?

answered Mar 4, 2015 at 2:24

8 votes

Accepted

Why is ground state $| 0 \rangle$ of harmonic oscillator a coherent state?

answered Nov 9, 2013 at 5:58

7 votes

Tensor product of two different Pauli matrices $\sigma_2\otimes\eta_1 $

answered Jan 31, 2015 at 13:20

4 votes

How to derive or justify the expressions of momentum operator and energy operator?

answered Nov 9, 2013 at 8:21

4 votes

does light experience time?

answered Nov 9, 2013 at 9:18

3 votes

Magnetic field at infinity

answered Dec 2, 2014 at 23:01

3 votes

Does there exist a hyperbolic relationship between frequency $\omega$ and wavenumber $k$?

answered Dec 11, 2014 at 7:21

2 votes

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Gradient of two-particle system

answered Dec 1, 2014 at 4:27

2 votes

Are solutions coordinate invariant?

answered Dec 7, 2014 at 2:17

2 votes

How do you quantify the "much greater" operator "$\gg$"?

answered Feb 14, 2015 at 16:19

2 votes

Why are the neutron and proton masses nearly equal?

answered Feb 23, 2015 at 14:07

2 votes

Recovering the Hamiltonian from ladder operators

answered Feb 16, 2017 at 18:27

1 vote

Superposition in classical Mechanics

answered Feb 26, 2015 at 16:48

1 vote

Accepted

Missing factor of 1/2 in the definition of light intensity

answered Feb 10, 2015 at 6:58

1 vote

How does gravitational potential energy increase, if field decreases as $h$ increases?

answered Jan 29, 2015 at 12:02

1 vote

Why does freshwater attenuate signals less than seawater?

answered Nov 23, 2014 at 22:28

1 vote

How are the half life of particles mathematically related to the inverse square laws?

answered Nov 28, 2014 at 12:24

1 vote

Modulus Square of the Gaussian Wave Packet for uncertainty in $p$

answered Nov 7, 2013 at 8:26

1 vote

Accepted

Why do we care about compatible observables?

answered Nov 30, 2014 at 2:10

0 votes

Is $∣1 \rangle$ an abuse of notation?

answered Jan 27, 2015 at 21:22

0 votes

Can a single technology be used to observe light at any wavelength?

answered Dec 2, 2014 at 22:36

0 votes

Did the Earth (amongst other things) travel faster than light?

answered Feb 6, 2015 at 0:15

0 votes

How to calculate explicitly the classical on-shell action for a harmonic oscillator?

answered Feb 7, 2015 at 1:52

0 votes

How strong can an electromagnet be?

answered Mar 8, 2017 at 7:38

0 votes

Is it not impossible to see a single atom using visible light?

answered Mar 13, 2015 at 14:12

Stack Exchange Network

30 Answers

If spacetime is curved, how would anyone know? If anyone could tell, would that really be spacetime curving?

Intuitively Re-Deriving Equations of Mathematical Physics

What is the Difference Between BCS Theory and Ginzburg-Landau Theory?

Gibbs free energy intuition

Explanation of homogeneity of space and time by giving examples?

Why doesn't $ds^2 = 0$ imply two distinct points $p$ and $p'$ on a manifold are the same point?

Why is ground state $| 0 \rangle$ of harmonic oscillator a coherent state?

Tensor product of two different Pauli matrices $\sigma_2\otimes\eta_1 $

How to derive or justify the expressions of momentum operator and energy operator?

does light experience time?

Magnetic field at infinity

Does there exist a hyperbolic relationship between frequency $\omega$ and wavenumber $k$?

Gradient of two-particle system

Are solutions coordinate invariant?

How do you quantify the "much greater" operator "$\gg$"?

Why are the neutron and proton masses nearly equal?

Recovering the Hamiltonian from ladder operators

Superposition in classical Mechanics

Missing factor of 1/2 in the definition of light intensity

How does gravitational potential energy increase, if field decreases as $h$ increases?

Why does freshwater attenuate signals less than seawater?

How are the half life of particles mathematically related to the inverse square laws?

Modulus Square of the Gaussian Wave Packet for uncertainty in $p$

Why do we care about compatible observables?

Is $∣1 \rangle$ an abuse of notation?

Can a single technology be used to observe light at any wavelength?

Did the Earth (amongst other things) travel faster than light?

How to calculate explicitly the classical on-shell action for a harmonic oscillator?

How strong can an electromagnet be?

Is it not impossible to see a single atom using visible light?