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 Understanding Barandes' microscopic theory of causality
Graduate Question about Electron Action and study material.
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Are Current Experiments Impacting Quantum Coherence in Consciousness?
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Renormalization group and universality
  • · Replies 14 ·
Replies
14
Views
4K
Graduate How Does Schwinger's Method Reveal Information About Feynman's Propagator?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why does the momentum of a matter wave depend on the phase velocity?
  • · Replies 1 ·
Replies
1
Views
3K
Undergrad Understand Orbits & Orbitals - Get Clarified Here
  • · Replies 16 ·
Replies
16
Views
4K
Graduate Dirac Principle Value Identity applied to Propagators
  • · Replies 3 ·
Replies
3
Views
3K
Graduate How to block tunneling current?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate How Does Rotating the Local Basis Affect Quantum Entanglement of Photons?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Why the Lagrangian must involve derivative of field?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Measuring classical object to arbitrary precision
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Deriving Transition Amplitude: Hamiltonian & $\psi_0 \to \psi_1$
  • · Replies 5 ·
Replies
5
Views
9K
Graduate Wave-Function, Fourier Transform, and Speed
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Can Virtual Particle Lifetimes Be Calculated?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Proposal for a Quantum Delayed-Choice Experiment
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Is Gravity Affected by All Types of Energy?
  • · Replies 8 ·
Replies
8
Views
4K
Graduate Does CMBR include free photons?
  • · Replies 41 ·
2
Replies
41
Views
8K
Graduate In QED is angular momentum conserved at every order in Dyson series
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Prerequisites for beginning quantum mechanics?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Do the electrons have inertial mass?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate QFT Signature: Does it Have its Own Unique Formula?
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Inner product with maximally entangled state
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Are space and time quantized quantities?
  • · Replies 34 ·
2
Replies
34
Views
9K
Graduate Understanding Entanglement and Parallel Computing in Quantum Computing
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Finding Ground State Wave Functions: Tips & Tricks
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Reflection, at a quantum level?
  • · Replies 10 ·
Replies
10
Views
4K
Graduate Which slit/way at time of observation or passing slits?
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Directional photon detector to detect which path?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate What theories address the fundamental questions about quantum mechanics?
  • · Replies 145 ·
5
Replies
145
Views
38K
Graduate Having difficulty comprehending a problem in Peskin's text
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What does the Higgs Field have in common with Congress?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Pauli's exclusion principle Intrpretation
  • · Replies 29 ·
Replies
29
Views
7K
Graduate Problem in constructing Matrix representation in |↑↓> basis
  • · Replies 3 ·
Replies
3
Views
2K
Graduate Why are mutually exclusive states orthogonal?
  • · Replies 8 ·
Replies
8
Views
3K
Graduate Quantum teleportation of macroscopic objects
  • · Replies 68 ·
3
Replies
68
Views
19K
Graduate Bell's Experiments & Hidden Variables
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Absorber Theory, Retarded and Advanced Potentials
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Wheeler's Delayed Choice bibliography
  • · Replies 2 ·
Replies
2
Views
3K
Graduate A composite system of three particles with different spin
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Velocity Measurement in Quantum Mechanics
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Application of schrodinger's equation
  • · Replies 5 ·
Replies
5
Views
4K
Graduate Governing laws of quantum mechanics
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Are Photons Actually Infinitely Small Particles?
  • · Replies 131 ·
5
Replies
131
Views
27K
Undergrad Why Does the Zeeman Effect Vary in Cadmium and Other Elements?
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Is the Classical Electric Potential a Valid Approximation in Quantum Mechanics?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Superposition/Wave function inside blackhole
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Electron and the uncertainty principle
  • · Replies 25 ·
Replies
25
Views
6K
Graduate What is the Volume of an Electron?
  • · Replies 11 ·
Replies
11
Views
5K
Graduate Statistical Mechanics: Using 3 Ensembles for Problem Solving
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Nature of Real Applications Quantum Mechanics
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Newbie questions: wave and particle viewpoints
  • · Replies 5 ·
Replies
5
Views
3K
Graduate Why Do Subatomic Particles Spin?
  • · Replies 24 ·
Replies
24
Views
5K
Graduate Can Measurements Determine Pure vs. Mixture Ensembles in Quantum Theory?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Renormalization and running coupling constant
  • · Replies 13 ·
Replies
13
Views
5K
Graduate What Do Bell Tests Reveal About Photon Polarization and Reality?
  • · Replies 10 ·
Replies
10
Views
3K
Graduate Experiments in quantum entanglement
  • · Replies 8 ·
Replies
8
Views
5K
Graduate What are the required mathematics for studying Quantum Field Theory?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate Is antimatter matter going backwards through time?
  • · Replies 7 ·
Replies
7
Views
5K
Graduate Is Quantum Entanglement the Secret Behind Photosynthesis?
  • · Replies 2 ·
Replies
2
Views
2K
High School Question re electrostatic charge
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Quantum Effects Brought to Light
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Quantum Entanglement & Relativity: Time Dilation Effects
  • · Replies 14 ·
Replies
14
Views
4K
Graduate Quantum Cell Phones - Investigating the Possibilities
  • · Replies 3 ·
Replies
3
Views
3K
Graduate What is the connection between energy eigenstates and position?
  • · Replies 2 ·
Replies
2
Views
5K
Graduate Quantum Chaos: Existence and Stability
  • · Replies 9 ·
Replies
9
Views
4K
High School Double slit experiment for AP physics
  • · Replies 1 ·
Replies
1
Views
3K
Graduate How can information be conserved if we live in a quantum universe?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Proof of uncertainty principle
  • · Replies 10 ·
Replies
10
Views
4K
Graduate Proving a Claim in Ticcati's Red QFT Textbook: Seeking Advice and Hints
  • · Replies 6 ·
Replies
6
Views
3K
Graduate Why is inertial mass not an observable in QM?
  • · Replies 12 ·
Replies
12
Views
7K
Graduate What is normally meant by quantizing a classical theory, versus Hardy's axioms
  • · Replies 4 ·
Replies
4
Views
6K
Graduate The Gauge Dependence of Quantum Transition Probabilities
  • · Replies 23 ·
Replies
23
Views
6K
Graduate Potential energy as observable
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Are Schrodinger's Equations Taught in Lower Division Physics Courses?
  • · Replies 2 ·
Replies
2
Views
2K
Graduate We know that if we send one electron through 2 slit, the wave function
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Potential Invariant under translation
  • · Replies 5 ·
Replies
5
Views
6K
Graduate How Does the Angle Between Axes Affect Spin Correlation in Entangled Particles?
  • · Replies 3 ·
Replies
3
Views
3K
Undergrad Writer's Help:Music & String Theory
  • · Replies 10 ·
Replies
10
Views
7K
Graduate Can a virtual particle create another virtual particle?
  • · Replies 14 ·
Replies
14
Views
5K
Graduate Question on time-independent perturbation theory
  • · Replies 2 ·
Replies
2
Views
3K
Undergrad Prove that information is either increasing or remaining constant with time.
  • · Replies 12 ·
Replies
12
Views
4K
Graduate Violation of uncertainty principle?
  • · Replies 2 ·
Replies
2
Views
2K
Article: Faked States mimic quantum entanglement
  • · Replies 1 ·
Replies
1
Views
3K
Graduate Does a symmetry of Lagrangian reserve in each Feynman diagram?
  • · Replies 9 ·
Replies
9
Views
3K
Graduate Deriving Wien's Law from Planck's Formula
  • · Replies 2 ·
Replies
2
Views
50K
High School Need an explanation of shells in layman's terms
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Is mass something that is uncertain ?
  • · Replies 4 ·
Replies
4
Views
3K
Graduate What are the fundamental concepts and axioms of quantum mechanics?
  • · Replies 11 ·
Replies
11
Views
6K
Graduate What Is the Source of Spin-Orbit Coupling in the Hydrogen Atom?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate Does a single electron transistor really need the tunneling junctions?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate What is the Relationship Between K-Space and Momentum Space in Crystals?
  • · Replies 2 ·
Replies
2
Views
4K
Graduate Second quantization question: one particle or n particle?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate QM Particles and their space boundaries
  • · Replies 6 ·
Replies
6
Views
2K
Graduate Schrödinger's equation to Dirac's
  • · Replies 2 ·
Replies
2
Views
2K
Graduate Displacement Operator: Explaining Dirac's Equality
  • · Replies 6 ·
Replies
6
Views
4K
Graduate Scalar field as quantum operator.
  • · Replies 21 ·
Replies
21
Views
6K
Graduate Is a finite function with finite Fourier transform possible?
  • · Replies 2 ·
Replies
2
Views
3K
Graduate How does the commutator of fields relate to causality?
  • · Replies 12 ·
Replies
12
Views
5K
Graduate Quantum Coherence in Transmembrane Proteins?
  • · Replies 1 ·
Replies
1
Views
2K
Graduate Calculating the energy-momentum tensor for Maxwell Lagrangian
  • · Replies 5 ·
Replies
5
Views
3K