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Physics

Favorite Question

 Favorite Question
Question saved by 25 users. This badge can be awarded multiple times.
Awarded 828 times.
Is there an elegant proof of the existence of Majorana spinors?
Awarded Nov 14 at 5:09
A simple derivation of the Centripetal Acceleration Formula?
Awarded Oct 31 at 17:45
The Lagrangian in Scalar Field Theory
Awarded Oct 8 at 9:07
What is the definition of a quantum integrable model?
Awarded Oct 1 at 17:53
What are good books for special relativity?
Awarded Oct 1 at 3:00
Is a spontaneous decrease in entropy *impossible* or just extremely unlikely?
Awarded Sep 19 at 6:52
What do the poles of a Green function mean, physically?
Awarded Sep 12 at 8:54
Why is Newton's first law necessary?
Awarded Sep 6 at 9:23
Does the speed of light vary in non-inertial frames?
Awarded Aug 14 at 10:26
If a mass moves close to the speed of light, does it turn into a black hole?
Awarded Aug 13 at 17:26
Lagrangian of Schrödinger field
Awarded Aug 1 at 14:10
What are bootstraps?
Awarded Jun 26 at 7:21
Why does the analogy between electromagnetism and general relativity differ if you consider them as gauge theories or fiber bundles?
Awarded Jun 22 at 7:37
Gauge fields -- why are they traceless hermitian?
Awarded Jun 16 at 0:41
Gaussian integral with imaginary coefficients and Wick rotation
Awarded Jun 14 at 7:42
Galilean covariance of the Schrodinger equation
Awarded Jun 11 at 9:55
Which Mechanics book is the best for beginner in math major?
Awarded Jun 8 at 14:36
Applying an operator to a wavefunction vs. a (ket) vector
Awarded Jun 1 at 18:06
Why are band maxima / minima often (always?) at high-symmetry points?
Awarded May 28 at 8:34
Constraints of relativistic point particle in Hamiltonian mechanics
Awarded Apr 14 at 17:05
Why is the mole/"amount of substance" a dimensional quantity?
Awarded Apr 13 at 6:08
Simple conceptual question conformal field theory
Awarded Apr 1 at 5:55
Noether's Theorem and scale invariance
Awarded Mar 31 at 20:12
What are the fields produced around a current carrying conductor?
Awarded Mar 21 at 12:14
Maxwell in multiple dimensions: What happens to curl?
Awarded Mar 13 at 13:07
How do we know that radioactive decay rates are constant over billions of years?
Awarded Mar 3 at 6:27
The Origins of the Second Quantization
Awarded Feb 25 at 18:51
Do tachyons move faster than light?
Awarded Feb 6 at 22:34
Global Chern-Simons forms and topological gauge theories
Awarded Feb 4 at 19:56
Intuitively Understanding Work and Energy
Awarded Feb 3 at 13:35
Electric field associated with moving charge
Awarded Jan 29 at 1:54
A question about causality and Quantum Field Theory from improper Lorentz transformation
Awarded Jan 23 at 9:33
How to define orbital angular momentum in other than three dimensions?
Awarded Jan 20 at 1:25
Why can interaction with a macroscopic apparatus, such as a Stern-Gerlach machine, sometimes not cause a measurement?
Awarded Jan 15 at 17:37
What is the quantum mechanical definition of a measurement?
Awarded Jan 4 at 16:05
Diffeomorphism Invariance of General Relativity
Awarded Jan 4 at 8:22
What is the physical meaning of the partition function in statistical physics?
Awarded Dec 31, 2024 at 19:55
How can I read off the fact that gravity is associated with spin-2 particles from the Einstein-Hilbert action?
Awarded Dec 28, 2024 at 9:41
Conformal transformation vs diffeomorphisms
Awarded Dec 25, 2024 at 10:46
Is gravitational time dilation different from other forms of time dilation?
Awarded Dec 1, 2024 at 18:20
Schrödinger wavefunctional quantum-field eigenstates
Awarded Nov 26, 2024 at 17:48
What does it mean for a topological phase to be "symmetry protected"?
Awarded Nov 25, 2024 at 13:22
What is the difference between configuration space and phase space?
Awarded Nov 18, 2024 at 6:11
What's so special about AdS?
Awarded Nov 12, 2024 at 21:11
Mean field equations in the BCS theory of superconductivity
Awarded Oct 31, 2024 at 20:40
Lorentz transformation of Gamma matrices $\gamma^{\mu}$
Awarded Oct 30, 2024 at 8:35
Why do fusion and fission both release energy?
Awarded Oct 29, 2024 at 20:42
Tensor Operators
Awarded Oct 26, 2024 at 7:39
How Fundamental is Spin-Orbit Coupling to Topological Insulators?
Awarded Oct 22, 2024 at 1:04
Derive vector gradient in spherical coordinates from first principles
Awarded Oct 21, 2024 at 22:15
Kinetic energy with respect to different reference frames
Awarded Oct 20, 2024 at 10:50
What are the uses of Hopf algebras in physics?
Awarded Oct 13, 2024 at 10:07
Why does the humidifier make a stove's flame orange?
Awarded Sep 23, 2024 at 18:33
Why don't we prove that functions used in physics are continuous and differentiable?
Awarded Sep 17, 2024 at 4:55
Lagrangian Mechanics - Commutativity Rule $\frac{d}{dt}\delta q=\delta \frac{dq}{dt} $
Awarded Aug 21, 2024 at 6:10
How are anyons possible? (another version)
Awarded Aug 13, 2024 at 11:08
When Eigenfunctions/Wavefunctions are real?
Awarded Jul 29, 2024 at 11:16
Bra-Ket Notation
Awarded Jul 3, 2024 at 10:47
Green's function in path integral approach (QFT)
Awarded Jun 28, 2024 at 10:30
Why does a fermionic Hamiltonian always obey fermionic parity symmetry?
Awarded Jun 23, 2024 at 9:42
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