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Share a link to a post later visited by 300 unique IP addresses. This badge can be awarded multiple times.
Awarded 326 times.
Why can't d'Alembert's Principle be derived from Newton's laws alone?
Awarded Mar 15, 2021 at 8:21
Inverse Quantum Operator
Awarded Mar 11, 2021 at 17:58
Why are radians more natural than any other angle unit?
Awarded Mar 6, 2021 at 10:25
Can one do the maths of physics without using $\sqrt{-1}$?
Awarded Mar 6, 2021 at 9:19
Noether charge of local symmetries
Awarded Feb 23, 2021 at 14:48
Equivalence between Hamiltonian and Lagrangian Mechanics
Awarded Feb 16, 2021 at 4:27
Why are differential equations for fields in physics of order two?
Awarded Feb 15, 2021 at 15:56
Prove $[A,B^n] = nB^{n-1}[A,B]$
Awarded Feb 4, 2021 at 4:15
Differentiating Propagator, Green's function, Correlation function, etc
Awarded Jan 19, 2021 at 19:28
What is $\Delta t$ in the time-energy uncertainty principle?
Awarded Jan 19, 2021 at 0:10
Time as a Hermitian operator in quantum mechanics
Awarded Jan 18, 2021 at 8:55
Spontaneous pair production?
Awarded Jan 13, 2021 at 22:17
Feynman propagator with general $\xi$ parameter
Awarded Jan 10, 2021 at 19:42
What is the difference between a spinor and a vector or a tensor?
Awarded Jan 6, 2021 at 21:41
Normal Order of Normal Order
Awarded Dec 24, 2020 at 11:27
holographic projection in thin air?
Awarded Dec 12, 2020 at 12:51
If all the eigenvalues of an operator are real, is the operator Hermitian?
Awarded Nov 11, 2020 at 4:11
Visualizing Ricci Tensor
Awarded Nov 6, 2020 at 20:42
Why does kinetic energy increase quadratically, not linearly, with speed?
Awarded Nov 5, 2020 at 10:34
Rotation of a slipping ladder
Awarded Nov 3, 2020 at 21:11
What is the minimum wavelength of electromagnetic radiation?
Awarded Oct 31, 2020 at 0:56
Field between the plates of a parallel plate capacitor using Gauss's Law
Awarded Oct 25, 2020 at 1:56
Is there a Lagrangian formulation of statistical mechanics?
Awarded Oct 24, 2020 at 12:17
Tensor Operators
Awarded Oct 24, 2020 at 1:34
Shape of Fan Blades
Awarded Oct 15, 2020 at 14:41
What does the Canonical Commutation Relation (CCR) tell me about the overlap between Position and Momentum bases?
Awarded Sep 25, 2020 at 1:18
How to prove the Levi-Civita contraction?
Awarded Sep 8, 2020 at 5:20
Physical meaning of Legendre transformation
Awarded Sep 7, 2020 at 7:15
When is the Hamiltonian of a system not equal to its total energy?
Awarded Sep 1, 2020 at 8:04
Why not use the Lagrangian, instead of the Hamiltonian, in nonrelativistic QM?
Awarded Aug 18, 2020 at 16:45
What's the point of Hamiltonian mechanics?
Awarded Aug 14, 2020 at 20:20
Introduction to AdS/CFT
Awarded Jul 31, 2020 at 10:40
Why don't two objects move with the same velocity after collision?
Awarded Jul 8, 2020 at 0:16
Rigorous underpinnings of infinitesimals in physics
Awarded Jul 7, 2020 at 10:41
If photons are deflected by a strong gravitational field, then how come photons do not have mass? [duplicate]
Awarded Jun 28, 2020 at 13:25
Is there a proof from the first principle that the Lagrangian $L = T - V$?
Awarded Jun 11, 2020 at 17:08
(post deleted or otherwise unavailable)
Awarded May 30, 2020 at 16:06
Maximum range of a projectile (launched from an elevation)
Awarded May 29, 2020 at 22:36
Gauge symmetry is not a symmetry?
Awarded May 27, 2020 at 19:33
Laplace operator's interpretation
Awarded May 27, 2020 at 19:10
Is the Planck length the smallest length that exists in the universe or is it the smallest length that can be observed?
Awarded May 16, 2020 at 17:41
Why are there only derivatives to the first order in the Lagrangian?
Awarded May 16, 2020 at 3:15
How to define orbital angular momentum in other than three dimensions?
Awarded May 12, 2020 at 5:26
Why does kinetic energy increase quadratically, not linearly, with speed?
Awarded May 11, 2020 at 10:16
Continuity & smoothness of wave function
Awarded Apr 30, 2020 at 10:25
Is it possible to recover Classical Mechanics from Schrödinger's equation?
Awarded Apr 26, 2020 at 23:27
Schrödinger equation from Klein-Gordon equation?
Awarded Mar 30, 2020 at 18:35
Misused physics analogies
Awarded Mar 15, 2020 at 9:55
Covariant Quantisation and the Time Operator in String Theory
Awarded Mar 13, 2020 at 6:20
What symmetry causes the Runge-Lenz vector to be conserved?
Awarded Mar 4, 2020 at 22:55
Do gauge bosons really transform according to the adjoint representation of the gauge group?
Awarded Feb 27, 2020 at 20:15
Is energy really conserved?
Awarded Feb 25, 2020 at 17:35
How to prove useful property of logarithm of generating functional in QFT?
Awarded Feb 24, 2020 at 10:55
Textbook on the Geometry of Special Relativity
Awarded Feb 20, 2020 at 16:05
What is the math knowledge necessary for starting Quantum Mechanics?
Awarded Feb 14, 2020 at 0:05
Does the canonical commutation relation fix the form of the momentum operator?
Awarded Feb 9, 2020 at 13:30
Would wearing clothing that is black on the inside and white on the outside keep you cooler?
Awarded Feb 1, 2020 at 19:15
How does gravity work underground?
Awarded Jan 23, 2020 at 19:20
Rigor in quantum field theory
Awarded Jan 11, 2020 at 11:00
What would happen if you drop two objects of the same shape and size but different mass in Earth's atmosphere?
Awarded Dec 13, 2019 at 3:40
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