Quantum Physics Forum

Post thread
Join in expert discussion on quantum physics. Quantum physics is the mathematical description of the motion and interaction of subatomic particles. Quantum Mechanics and Field Theory.

Quantum Interpretations and Foundations

Graduate Sidney Coleman's opinion on interpretation in his Dirac lecture
High School Searching for a Lost PhD Thesis on Black Holes
  • · Replies 7 ·
Replies
7
Views
2K
High School Why don't electrons fall into the nucleus?.
  • · Replies 6 ·
Replies
6
Views
2K
High School Quantum Entanglement spin measurement
  • · Replies 10 ·
Replies
10
Views
3K
High School Why is an electron's changing behaviour upon observation fascinating?
  • · Replies 3 ·
Replies
3
Views
3K
High School Quantum Micro-Blackholes: Fact or Fiction?
  • · Replies 11 ·
Replies
11
Views
3K
High School Is diamagnetism only present with varying magnetic fields?
  • · Replies 3 ·
Replies
3
Views
1K
High School How Could Quantum Communications Operate at Light Speed Given Relativity?
  • · Replies 19 ·
Replies
19
Views
2K
High School Double Slit Paradox: A Wave-Particle Mystery
  • · Replies 13 ·
Replies
13
Views
2K
High School The nature of orthogonal oscillations (extending E&M)
  • · Replies 3 ·
Replies
3
Views
1K
High School Has the Double Slit Experiment been Performed in a Near Vacuum?
  • · Replies 2 ·
Replies
2
Views
1K
High School Quantum Tunneling different individual transmission probabilities
  • · Replies 2 ·
Replies
2
Views
2K
High School Can entangled electrons in helium be observed and measured in practice?
  • · Replies 10 ·
Replies
10
Views
2K
High School Understanding Photon in a Box: Eigenmodes, Reflection, and Energy Measurement
  • · Replies 15 ·
Replies
15
Views
2K
High School Bell's theorem, QFT, and the Relativity of Simultaneity
  • · Replies 64 ·
3
Replies
64
Views
6K
High School What happens to the uncertainty principle if....
  • · Replies 5 ·
Replies
5
Views
1K
High School Compressing Light: Reflection in Small Gaps
  • · Replies 4 ·
Replies
4
Views
1K
High School Question about notation in the Feynman Lectures on Physics III 3-1
  • · Replies 2 ·
Replies
2
Views
2K
High School Why are protons allowed in the nucleus?
  • · Replies 32 ·
2
Replies
32
Views
3K
High School Uncertainty versus impossibility of measurement
  • · Replies 48 ·
2
Replies
48
Views
4K
High School Virtual Particles are not Dark Matter?
  • · Replies 9 ·
Replies
9
Views
2K
High School What Is the Occurrence Rate of Path Integral in a Photon Double-Slit Experiment?
  • · Replies 6 ·
Replies
6
Views
1K
High School Question about squares of operators
  • · Replies 17 ·
Replies
17
Views
2K
High School Is Inverse Compton Scattering Related to the Doppler Effect?
  • · Replies 7 ·
Replies
7
Views
2K
High School Mapping between rules of classical vs QM probability?
  • · Replies 6 ·
Replies
6
Views
2K
High School How much math is required to do QM?
  • · Replies 19 ·
Replies
19
Views
2K
High School How can the annihilation operator for photons be realized experimentally?
  • · Replies 33 ·
2
Replies
33
Views
3K
High School Calculating Photon Polarization States with PBS & Wave Plates
  • · Replies 3 ·
Replies
3
Views
2K
High School Ionization energy and energy levels
  • · Replies 11 ·
Replies
11
Views
2K
High School What's the exact point about time travel?
  • · Replies 6 ·
Replies
6
Views
1K
High School Quantum computing -- How is the relevant solution selected?
  • · Replies 4 ·
Replies
4
Views
1K
High School Are all quantum fields coherent?
  • · Replies 14 ·
Replies
14
Views
1K
High School From radio signal to corresponding photons
  • · Replies 1 ·
Replies
1
Views
1K
High School Questions about measurement devices in the double slit experiment
  • · Replies 10 ·
Replies
10
Views
2K
High School How does the double slit experimental apparatus actually work?
  • · Replies 7 ·
Replies
7
Views
2K
High School Adjoint Operation in Shankar's "Principles of Quantum Mechanics
  • · Replies 13 ·
Replies
13
Views
2K
High School Quantum Computing for Beginners: Understanding Double Hadamard Gates
  • · Replies 2 ·
Replies
2
Views
2K
High School What is the significance of 'i' in quantum computation notation?
  • · Replies 7 ·
Replies
7
Views
2K
High School Is sunlight through gaps in leaves during an eclipse decohered?
  • · Replies 4 ·
Replies
4
Views
1K
High School We can't unite QM with GR because of what the Qfield is capable of
  • · Replies 3 ·
Replies
3
Views
1K
High School How do orthogonal waves interfere?
  • · Replies 6 ·
Replies
6
Views
2K
High School Emission from a coated cathode and tunneling
  • · Replies 2 ·
Replies
2
Views
1K
High School Can we measure any two of the energy, momentum or mass simultaneously?
  • · Replies 10 ·
Replies
10
Views
2K
High School What Are the Best References for Delayed Eraser Experiments with Electrons?
  • · Replies 5 ·
Replies
5
Views
1K
High School Understanding Electron Spins: A High Schooler's Guide”
  • · Replies 11 ·
Replies
11
Views
2K
High School Where is the quantization term in Planck's Law?
  • · Replies 9 ·
Replies
9
Views
2K
High School Mach-Zehnder Experiment: Wave-Particle Duality Demonstrated
  • · Replies 11 ·
Replies
11
Views
2K
High School How do quantum computers find a solution?
  • · Replies 2 ·
Replies
2
Views
3K
High School Entanglement - lack of "symmetry" in no-hidden variables explanation
  • · Replies 44 ·
2
Replies
44
Views
5K
High School Understanding Phase Terminology in Wave Functions
  • · Replies 9 ·
Replies
9
Views
2K
High School How does the observed version of the double slit get by without math?
  • · Replies 15 ·
Replies
15
Views
1K
High School Where do virtual particles come from?
  • · Replies 9 ·
Replies
9
Views
2K
High School Multiple Sequential Delayed Choice Experiment
  • · Replies 5 ·
Replies
5
Views
2K
High School Interesting Book On The History Of QM And Einstein's Role
  • · Replies 7 ·
Replies
7
Views
2K
High School Detecting a photon passing through a slit without destroying it?
  • · Replies 4 ·
Replies
4
Views
2K
High School Compton Effect -- Why is the electron considered to initially be at rest?
  • · Replies 4 ·
Replies
4
Views
2K
High School Layman's question re quantum entanglement
  • · Replies 12 ·
Replies
12
Views
2K
High School Quantum mechanical model of an atom
  • · Replies 7 ·
Replies
7
Views
1K
High School The Virtue of Individual Perception RE: Wavefunction Collapse
  • · Replies 2 ·
Replies
2
Views
2K
High School Entanglement: Behaviour of Particles & Real Life Apps
  • · Replies 11 ·
Replies
11
Views
2K
High School Is Bell's inequality Lorentz invariant?
  • · Replies 2 ·
Replies
2
Views
1K
High School Notion of a zero dimensional point particle?
  • · Replies 4 ·
Replies
4
Views
2K
High School Backscattering of photons in dim = 1
  • · Replies 3 ·
Replies
3
Views
1K
High School Neutron Decay Outside of a Nucleus Near Absolute Zero
  • · Replies 3 ·
Replies
3
Views
1K
High School Do photons bunch up at an interface? Can they lase (laze?)
  • · Replies 17 ·
Replies
17
Views
1K
High School Photon Energy & Wave Amplitude
  • · Replies 2 ·
Replies
2
Views
2K
High School Can Hydrogen Atoms on Earth and the Moon Share Electrons?
  • · Replies 27 ·
Replies
27
Views
3K
High School What is the speed of electron movement in atoms at different temperatures?
  • · Replies 7 ·
Replies
7
Views
2K
High School Exploiting radiocarbon dating for FTL communication
  • · Replies 5 ·
Replies
5
Views
1K
High School Position of a particle and photons
  • · Replies 16 ·
Replies
16
Views
2K
High School The use of the dx in the quantum state vector integral
  • · Replies 1 ·
Replies
1
Views
1K
High School How to teach beginners in quantum theory the POVM concept
  • · Replies 62 ·
3
Replies
62
Views
10K
High School The nature of virtual photons in quantum electrodynamics
  • · Replies 6 ·
Replies
6
Views
2K
High School Electrons in a nonmoving conductor and non-varying magnetic field
  • · Replies 6 ·
Replies
6
Views
2K
High School Probability of spin in the +x direction
  • · Replies 3 ·
Replies
3
Views
1K
High School Does Retrospective Indeterminacy Reveal a Deterministic Universe?
  • · Replies 12 ·
Replies
12
Views
2K
High School Measurement postulate = von Neumann’s projection postulate?
  • · Replies 2 ·
Replies
2
Views
2K
High School Why is it assumed communication through entanglement would be FTL?
  • · Replies 148 ·
5
Replies
148
Views
16K
High School How would time flow for each parallel universe?
  • · Replies 4 ·
Replies
4
Views
2K
High School Can photons of visible light lose energy and become sub-visible?
  • · Replies 1 ·
Replies
1
Views
2K
High School Tunneling through possible worlds
  • · Replies 4 ·
Replies
4
Views
1K
High School Quantum computer vs supercomputer performance
  • · Replies 8 ·
Replies
8
Views
3K
High School Roger Penrose's need for a physics Grey area
  • · Replies 2 ·
Replies
2
Views
1K
High School Normalizability of continuous and discrete spectrum
  • · Replies 3 ·
Replies
3
Views
3K
High School Can a quantum particle be simulated on a classical computer?
  • · Replies 1 ·
Replies
1
Views
1K
High School What is the largest object that exhibits Quantum properties
  • · Replies 18 ·
Replies
18
Views
2K
High School Is it true that QED explains the reflection of light?
  • · Replies 14 ·
Replies
14
Views
4K
High School Photons as bullets at 10 trillion FPS (frames per second)
  • · Replies 14 ·
Replies
14
Views
2K
High School Can a wavelength be smaller than a Planck length?
  • · Replies 7 ·
Replies
7
Views
5K
High School Photon Continuity in Double-Slit Experiment
  • · Replies 80 ·
3
Replies
80
Views
9K
High School Is the Velocity of Electron Spin Calculable Using Classical Models?
  • · Replies 14 ·
Replies
14
Views
2K
High School Can entangled particle pairs be measured at the same time?
  • · Replies 15 ·
Replies
15
Views
2K
High School Is Human Height Ever Exactly Pi Feet?
  • · Replies 5 ·
Replies
5
Views
1K
High School Does a field's vacuum density violate conservation of energy?
  • · Replies 29 ·
Replies
29
Views
3K
High School How to obtain state vector for polarised light
  • · Replies 6 ·
Replies
6
Views
1K
High School Classical physics vs quantum physics
  • · Replies 21 ·
Replies
21
Views
3K
High School Quantum Gravity and Special Relativity
  • · Replies 2 ·
Replies
2
Views
1K
High School Interaction of light with atoms
  • · Replies 9 ·
Replies
9
Views
2K
High School Is quantum entanglement a four dimensional force?
  • · Replies 5 ·
Replies
5
Views
1K
High School Do electrons accelerate when transitioning from one energy state to another?
  • · Replies 34 ·
2
Replies
34
Views
3K
High School Quantum radar and its implications
  • · Replies 3 ·
Replies
3
Views
2K