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Quantum Interpretations and Foundations

Particle vs Wave Interpretations of QM
1.3K threads
Undergrad Particle vs Wave Interpretations of QM
Undergrad What is the difference between first and second-order vacuum polarization?
  • raracon
  • · Replies 10 ·
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High School Double slit -- simple question
  • lukephysics
  • · Replies 26 ·
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Undergrad The distracted experimentalist's problem
  • Heidi
  • · Replies 12 ·
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12
Undergrad Is the Fermi-Dirac distribution equal to zero at the state of highest energy?
  • chikchok
  • · Replies 1 ·
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Undergrad CHSH inequality : renaming and absolute values
  • jk22
  • · Replies 2 ·
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Undergrad Does entanglement of photons really facilitate telepathy?
  • Unbowed_epicure
  • · Replies 3 ·
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3
Undergrad How Do Kochen-Specker Theorem and Contextuality Relate to Financial Markets?
  • Killtech
  • · Replies 3 ·
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Undergrad The atomic Coulomb potential extends to infinity?
  • aaronll
  • · Replies 5 ·
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5
Undergrad Defining electromagnetic waves
  • Andreea007
  • · Replies 14 ·
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14
Undergrad How do photons transfer energy?
  • Andreea007
  • · Replies 3 ·
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3
Undergrad Superluminal Quantum tunneling without FTL messaging
  • artis
  • · Replies 14 ·
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14
Undergrad What do the psi_3 and psi_4 components of the Dirac equation represent?
  • snoopies622
  • · Replies 8 ·
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8
High School Particles Within Atoms: Uncovering the Mystery of Forces and Vacuum
  • Space
  • · Replies 9 ·
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9
High School Can Entangled Particles Stay Undetermined Despite Decoherence During Separation?
  • Joseph Flatt
  • · Replies 22 ·
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High School Could a parallel universe exist?
  • wannaberadiologist
  • · Replies 11 ·
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Undergrad Any other good sources on the Lamb shift other than Wikipedia?
  • raracon
  • · Replies 10 ·
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10
Undergrad What is the connection between the Lamb Shift and the g factor?
  • raracon
  • · Replies 2 ·
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High School Why do superpositions occur? What causes them to occur?
  • Hazel Appraiasal
  • · Replies 46 ·
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Undergrad Are commuting observables necessary but not sufficient for causality?
  • nomadreid
  • · Replies 6 ·
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Graduate Hamiltonian in second quantization
  • hello_world30
  • · Replies 4 ·
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4
Undergrad Solving Schrodinger's eqn using ladder operators for potential V
  • Hamiltonian
  • · Replies 4 ·
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Undergrad The definition of the spectra in quantum mechanics
  • Asmaa
  • · Replies 4 ·
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4
Undergrad What gives an optimum value for electron energy to ionise atom?
  • paul_iow
  • · Replies 9 ·
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9
Undergrad Does anyone have a collection of the Dirac Equations?
  • raracon
  • · Replies 1 ·
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Undergrad Can Dirac Delta Functional Observables Be Regarded as True Quantum Observables?
  • Killtech
  • · Replies 4 ·
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4
Undergrad What is the Complex Conjugate of a Hermitian Integral in QM?
  • Mayhem
  • · Replies 7 ·
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7
Undergrad Gauge in the Aharonov Bohm effect
  • KDPhysics
  • · Replies 4 ·
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4
Undergrad What is the Definition of Quantum Physics?
  • zastras
  • · Replies 41 ·
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High School Objective-collapse theory, collapse for large objects
  • TheHeraclitus
  • · Replies 1 ·
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Graduate Gauge invariance confusions: symmetry vs redundancy, active vs passive
  • Demystifier
  • · Replies 47 ·
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Undergrad Understanding Bra Ket Correspondence and Proving (1.8) Transformation
  • Kashmir
  • · Replies 3 ·
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3
Graduate What is the point of geometric quantization?
  • andresB
  • · Replies 4 ·
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4
Graduate Can Quantum Mechanics be postulated to exclude humans?
  • dextercioby
  • · Replies 44 ·
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Undergrad What is unique about the bra in Dirac bra-ket notation?
  • Kashmir
  • · Replies 14 ·
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14
Undergrad Physical interpretation of phase in solutions to Schrodinger's Eqn?
  • Dfault
  • · Replies 12 ·
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12
Undergrad Bra Ket is equivalent to inner product always?
  • Kashmir
  • · Replies 7 ·
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7
Graduate QFT with vanishing vacuum expectation value and perturbation theory
  • The Tortoise-Man
  • · Replies 3 ·
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3
Undergrad Weak measurement and the measurement problem
  • Killtech
  • · Replies 4 ·
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4
High School Why exactly do Virtual Particles not violate Conservation of energy?
  • raracon
  • · Replies 16 ·
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Graduate Interaction between matter and antimatter in Dirac equation
  • lagrangman
  • · Replies 5 ·
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5
Undergrad Superposition Angle Range in 2-Slit Experiment
  • Jsauce
  • · Replies 6 ·
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6
Graduate Why we can perform normal ordering?
  • Jufa
  • · Replies 4 ·
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4
High School Is an experiment planned to discern determinism and randomness in QM
  • Prishon
  • · Replies 118 ·
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Undergrad Particle and wave model understanding -- help please
  • physics1999
  • · Replies 5 ·
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5
Undergrad Quantization of Quasiperiodic Orbits in the Bohr-Sommerfeld Model
  • Couchyam
  • · Replies 5 ·
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5
Undergrad Using the Schrodinger eqn in finding the momentum operator
  • Hamiltonian
  • · Replies 3 ·
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3
Undergrad Feynman path integral and events beyond the speed of light
  • kurt101
  • · Replies 57 ·
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High School Can anyone help me with my high school paper on vacuum and quantum vacuum?
  • raracon
  • · Replies 1 ·
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Undergrad On the meaning and mathematics of rotating spin 1/2 particles
  • snoopies622
  • · Replies 7 ·
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High School Why isn’t quantum entanglement just correlation?
  • lukephysics
  • · Replies 51 ·
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High School Project on pulsars/electromagnetic quantum field
  • Lisastronomy
  • · Replies 8 ·
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Undergrad Problem involving a sequential Stern-Gerlach experiment
  • AndersF
  • · Replies 24 ·
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High School Can the Motion of an Electron in Quantum Mechanics Be Reversed?
  • ZIKA99
  • · Replies 29 ·
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Undergrad Can light meaningfully travel an infinite distance?
  • SimplePrimate
  • · Replies 28 ·
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Graduate Max Fidelity at $$F=|\langle\psi|\phi\rangle|^2$$
  • deepalakshmi
  • · Replies 26 ·
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Undergrad A quasi-analogy of wave-particle duality?
  • Matty521
  • · Replies 17 ·
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17
Graduate Does the quantum space of states have countable or uncountable basis?
  • MichPod
  • · Replies 67 ·
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Graduate What are the methods for calculating quantum phase transition?
  • nik9039
  • · Replies 2 ·
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Undergrad Is time continuous or discrete in quantum physics?
  • deepalakshmi
  • · Replies 2 ·
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2
Undergrad Question about Grover's algorithm
  • Malamala
  • · Replies 1 ·
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1
Undergrad Why can't classical models explain quantum entanglement?
  • SimplePrimate
  • · Replies 10 ·
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10
Graduate Is wave-matter duality a proven theory?
  • PVT_RV
  • · Replies 58 ·
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Graduate Quantum linear code/ Dual Code (CSS) proof
  • steve1763
  • · Replies 3 ·
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3
Undergrad Quantum spin, wavelength and frequency
  • Peter J Carroll
  • · Replies 17 ·
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17
Undergrad Math of Electron Double Slit Experiment
  • Ghost Quartz
  • · Replies 4 ·
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4
High School Bell Test Configuration Question
  • plmustard
  • · Replies 3 ·
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3
Graduate What Does Constant Fidelity in Quantum States Imply?
  • deepalakshmi
  • · Replies 1 ·
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Undergrad ##H=i\hbar\frac{d}{dt}## is weird
  • Foracle
  • · Replies 13 ·
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13
Undergrad Parity Operator in 2D: Understanding Transformation & Spin
  • Malamala
  • · Replies 1 ·
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1
Undergrad Do measurements modify angular momentum and energy?
  • Jarek 31
  • · Replies 17 ·
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17
High School Copenhagen Interpretation and collapse moment
  • entropy1
  • · Replies 2 ·
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2
Undergrad Is the Vacuum Truly Empty or Just an Illusion?
  • Haorong Wu
  • · Replies 31 ·
2
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Graduate Fidelity for quantum state at t=0
  • deepalakshmi
  • · Replies 21 ·
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21
Graduate Is the Higgs Field Responsible for Microscopic Gravitational Effects?
  • samalkhaiat
  • · Replies 24 ·
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24
Undergrad Explaining Quantum States: Global Phase
  • supernano
  • · Replies 6 ·
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6
Undergrad Derivatives for a density operator
  • Haorong Wu
  • · Replies 1 ·
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1
High School Planck Length 1 Detector? Emitter?
  • Silly Questions
  • · Replies 35 ·
2
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Graduate Are these papers on Quantum Electrodynamics true?
  • jonjacson
  • · Replies 2 ·
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2
Undergrad Question about the Feynmann-Stuckelberg interpretation
  • madScientist404
  • · Replies 2 ·
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2
Undergrad Schrödinger wave function: How to use it to get 3-D atomic orbitals?
  • Tymothee Waldner
  • · Replies 11 ·
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11
Undergrad What types of forces are described in the standard minimal QED Lagrangian?
  • LarryS
  • · Replies 6 ·
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6
High School Is quantum coherence a random event?
  • arnell7
  • · Replies 23 ·
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23
High School What Happens When a Photon’s Superposition Encounters a Black Hole?
  • Isambard
  • · Replies 12 ·
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12
Undergrad Blackbody radiation in quantum mechanics
  • Malamala
  • · Replies 4 ·
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4
Undergrad What are the Misconceptions Surrounding Virtual Particles?
  • Ranku
  • · Replies 17 ·
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17
Undergrad Decoherence and direction of causality
  • entropy1
  • · Replies 1 ·
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1
Graduate Simple S matrix example in Coleman's lectures on QFT
  • Glenn Rowe
  • · Replies 3 ·
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3
Graduate Is there still a collapse problem after decoherence?
  • Heidi
  • · Replies 7 ·
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7
Graduate Anharmonic oscillators with closed-form solutions
  • hilbert2
  • · Replies 10 ·
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10
Graduate Fidelity between initial and final states
  • deepalakshmi
  • · Replies 85 ·
3
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Undergrad Nature of Collision in Compton Scattering
  • neilparker62
  • · Replies 4 ·
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4
Undergrad What is the origin of translational motion?
  • Maurice Morelock
  • · Replies 10 ·
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10
High School Question re photons/EM waves and the double slit experiment
  • profbuxton
  • · Replies 7 ·
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7
Undergrad The Meaning of Basis States in Quantum Mechanics
  • BigMax
  • · Replies 8 ·
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8
Graduate Could QM Arise From Wilson's Ideas
  • bhobba
  • · Replies 115 ·
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Graduate Knill-Laflamme condition Shors code
  • steve1763
  • · Replies 1 ·
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1
Undergrad Are density matrices part of a real vector space?
  • Gere
  • · Replies 9 ·
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9
Undergrad Momentum in electromagnetic waves
  • Ahsan Khan
  • · Replies 1 ·
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1
Undergrad Feynman's description of the quantum behaviour of an ammonia molecule
  • Roby002
  • · Replies 11 ·
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11
High School Do eigenstate probabilities change with time?
  • sgphysics
  • · Replies 2 ·
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2