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

Undergrad New interpretation for the double slit experiment with light?
Graduate Bells inequality be satisfied with equivalent local QM?
  • · Replies 35 ·
2
Replies
35
Views
6K
Graduate Reading the value of a qubit without changing its value
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Two slit experiment - variable detector
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Can the wave function be a constant?
  • · Replies 10 ·
Replies
10
Views
7K
Graduate Electron frequency and wavelength
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Overlap integrals: What are they and how do we arrive at the formula?
  • · Replies 3 ·
Replies
3
Views
4K
Graduate Equal Commutators: What Do They Tell Us?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate How does a magnetic feild work?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Pauli Matrices as generators of SU(2)
  • · Replies 1 ·
Replies
1
Views
6K
Graduate What Happens to Photons During Ionization?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Time Particles: Are They the Key to Understanding the Universe?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate What are the practical uses of Berry's Phase in scientific research?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Feynman diagrams - neutrino interactions
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Quantum Physics Debate, Is It Relevant?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Physical properties & threshold frequency
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Two particle probability density
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Do MB statistics imply distinguishability of electrons?
  • · Replies 9 ·
Replies
9
Views
5K
Graduate Solving 3D Schrodinger Equation - Explaining 1/X(x) Term
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Is the Missing Mass in the Universe Similar to Water in a Pond?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Calculating Bethe Stopping Power Constant: 606,235 or 78,500?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Question regarding the Pauli Exclusion Principle?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Why is the integral of the Dirac Delta potential related to its properties?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Wick's Theorm to Feynman Diagrams?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate [cryptography] quantum key distribution
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What are the latest research trends and resources on entanglement entropy?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Scanning tunneling microscopes, physics lab
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Some Explanation about Heisenberg,s Uncertainty Particle
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Bonding and electron transfers using the model of electrons as a wave
  • · Replies 1 ·
Replies
1
Views
2K
Graduate The Unfair Sampling Assumption & Bell Tests
  • · Replies 12 ·
Replies
12
Views
4K
Graduate The magnetic field of a photon
  • · Replies 16 ·
Replies
16
Views
4K
Graduate Hermitian conjugation and conserved current in the Dirac equation
  • · Replies 2 ·
Replies
2
Views
5K
Graduate MUST the variation of the action be zero?
  • · Replies 27 ·
Replies
27
Views
5K
Graduate Exploring Bound State Calculations in Quantum Field Theory
  • · Replies 3 ·
Replies
3
Views
3K
Graduate Probability of superposition of states
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Scalar product of many-particle states?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate What chronology of Bell inequalities testing ?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Massless Particles: Carrying Momentum?
  • · Replies 4 ·
Replies
4
Views
2K
Undergrad New to Graviton & Doppler Shift: Need Help Understanding
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Integrating Delta Functions: The Result
  • · Replies 24 ·
Replies
24
Views
5K
Graduate Superposition of states of the hydrogen atom
  • · Replies 15 ·
Replies
15
Views
6K
Graduate Can the Double Slit Experiment be Performed with Single Particle Detection?
  • · Replies 16 ·
Replies
16
Views
5K
Graduate Momentum Operator Construction
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Particles: Are They Just Useful Macroscopic Approximations?
  • · Replies 12 ·
Replies
12
Views
3K
Graduate Why Does Term Not Appear in Classical Lagrangian for Spin 1/2 Electrodynamics?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate What is Spin Hall effect and quantum hall effect
  • · Replies 1 ·
Replies
1
Views
4K
Graduate Time-dependent perturbation theory
  • · Replies 30 ·
2
Replies
30
Views
7K
Graduate Time-energy uncertainty principle
  • · Replies 20 ·
Replies
20
Views
10K
Graduate Schrodingers equation for the hydrogen atom.
  • · Replies 2 ·
Replies
2
Views
2K
Graduate History of the Taylor-Phipps version of the Stern-Gerlach experiment
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Symmetric and Anti-Symmetric Wavefunctions
  • · Replies 28 ·
Replies
28
Views
10K
High School Beginners guide to Quantam Mechanics?
  • · Replies 15 ·
Replies
15
Views
5K
Graduate How can objects have wavelengths?
  • · Replies 9 ·
Replies
9
Views
5K
Graduate Detection of a non-interacting particle
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Bloch sphere model for many spins?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Quantum Economies: Phyisical Modeling of Economic Systems
  • · Replies 6 ·
Replies
6
Views
7K
Graduate Alain Aspect's Experiment: Investigating Non-locality and Entangled Photons
  • · Replies 20 ·
Replies
20
Views
5K
Graduate Wave function collapse and the statistical nature of quantum states
  • · Replies 26 ·
Replies
26
Views
5K
Graduate Entanglement in scattering processes
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Charmonium Mass Estimation: Trial Wavefunction for Variational Method
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Quantum Field Theory and Mereological Nihilism/Atomism
  • · Replies 1 ·
Replies
1
Views
5K
Graduate How do fields change if there's no void
  • · Replies 8 ·
Replies
8
Views
2K
Graduate Dual slit experiment: closing/opening a slit after the particle passes it. .
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Proving Identity of S12^2 in Two Particle System
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Are physicists happy with Quantum Mechanics as it is?
  • · Replies 40 ·
2
Replies
40
Views
7K
Graduate Quick question on the EPR paper
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Atomic Components and the Absorption of Photons
  • · Replies 8 ·
Replies
8
Views
6K
Graduate How can something be massless?
  • · Replies 50 ·
2
Replies
50
Views
22K
Graduate What is the Relationship Between Vacuum Energy and Fluctuations?
  • · Replies 23 ·
Replies
23
Views
30K
Undergrad Understanding the Relationship between Variables in a Wave Equation
  • · Replies 5 ·
Replies
5
Views
9K
Graduate Double-Slit Experiment: Does Interference Pattern Change?
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Calc Feynman Amp Q: Chi+ Chi- -> Chi+ Chi-
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Is Causality in Quantum Mechanics as Clear-Cut as in Classical Mechanics?
  • · Replies 64 ·
3
Replies
64
Views
9K
Undergrad Relationship Between Energy and Wavelength
  • · Replies 1 ·
Replies
1
Views
4K
Graduate The Born Von Karman Boundary Conditions
  • · Replies 4 ·
Replies
4
Views
12K
Graduate The Quantum Phenomenon and the Staring Phenomenon
  • · Replies 13 ·
Replies
13
Views
7K
Graduate Bra/Ket Notation: Learn Basics & Find Eigenvalues
  • · Replies 1 ·
Replies
1
Views
3K
Graduate How can the Planck length be claimed to be the smallest length?
  • · Replies 47 ·
2
Replies
47
Views
49K
Graduate Integrable Quantum Field Theory
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why does the electromagnetic field adjust when a charged field changes phase?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate No entropy/environment = no time flow?
  • · Replies 33 ·
2
Replies
33
Views
6K
Graduate Where Can I Find Resources for Understanding Stern-Gerlach Experiment Math?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Integrable Quantum Field Theory
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Schrodinger Equation Explained - Get the Answer Now
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Understanding Decoherence: Simplifying a Complex Concept in Quantum Mechanics
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why is the Hilbertspace complex?
  • · Replies 16 ·
Replies
16
Views
3K
Graduate Can someone give me a geometrical description of the math in QM?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Ladder operators, a technical question
  • · Replies 1 ·
Replies
1
Views
2K
Graduate QCD Meson Potential: Physics Community Agreement?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Do gravitons spiral around a monopole?
  • · Replies 10 ·
Replies
10
Views
2K
Graduate Particles as representations of groups
  • · Replies 12 ·
Replies
12
Views
6K
Graduate Particle Trajectory & Velocity in Bubble Chamber vs HUP
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Bizzard measurement outcome of Angular Momentum, Why?
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad Looking for a More Practical Quantum Mechanics Book?
  • · Replies 5 ·
Replies
5
Views
2K
Graduate Is it true photons will not produce an interference pattern in a vacuum?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Matter waves are oscillations in what medium?
  • · Replies 25 ·
Replies
25
Views
6K
Undergrad Time for photon to reach the furthest point of diffraction?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Are Finite Well Bound States Enough for a Complete Basis in Quantum Mechanics?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Interacting theory lives in a different Hilbert space [ ]
  • · Replies 77 ·
3
Replies
77
Views
13K
Graduate Is the Placement of Branch Cuts in ln(-s^2-iε) Physically Significant?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Good Resources for Feynman's Path Integral
  • · Replies 2 ·
Replies
2
Views
2K