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Quantum Interpretations and Foundations

How valid is the indivisible interpretation of quantum mechanics?
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Graduate How valid is the indivisible interpretation of quantum mechanics?
Undergrad Virtual particle content of the vacuum state....
  • asimov42
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Undergrad Is the Kronecker Delta Calculation in Peskin and Schroeder's Solution Correct?
  • MathematicalPhysicist
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Undergrad Quantum Measurement under Heisenberg Picture?
  • LarryS
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Graduate Ground state energy of cube-like potential wells
  • hilbert2
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Undergrad 'Off-shell' particle in an external field....
  • asimov42
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Graduate Validity of Scalar Field Lagrangian with Linear and Quadratic Terms
  • Gaussian97
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Graduate QFT topics for entanglement entropy
  • shinobi20
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Undergrad Frank Wilczek on Virtual Particles and Summing diagrams....
  • asimov42
  • · Replies 13 ·
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Undergrad The Dirac Equation: Understanding Spinors and Approximations
  • park
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Undergrad Perturbation lines for the 1s hydrogen electron
  • georg gill
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Undergrad Time measurement in a double slit experiment with single photons
  • Marcin
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High School From radio signal to corresponding photons
  • somega
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Graduate How to build a qubit (theoretically)?
  • WAAAGH
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8
Undergrad What is the Fourier conjugate of spin?
  • redtree
  • · Replies 9 ·
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9
Graduate Understanding Superposition Physically and Mathematically
  • jambaugh
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Undergrad Atoms in a harmonic oscillator and number states
  • jamie.j1989
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Graduate Quantum entanglement and quantum foundation
  • kay_bee_93
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High School Questions about measurement devices in the double slit experiment
  • UnderstandingQT
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Undergrad 2nd Order Perturbation Theory Energy Correction
  • electrogeek
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5
Graduate Commutation between spin-operator and creation operator(QFT)
  • retardedgreensfunc
  • · Replies 4 ·
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Graduate Quantum Information research frontier
  • kay_bee_93
  • · Replies 2 ·
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Undergrad Definition of a Degenerate Subspace (QM)
  • CGandC
  • · Replies 12 ·
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High School How does the double slit experimental apparatus actually work?
  • leppad
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Graduate Double slit experiment with magnetic traps
  • Marcin
  • · Replies 33 ·
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High School Adjoint Operation in Shankar's "Principles of Quantum Mechanics
  • Getterdog
  • · Replies 13 ·
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Undergrad The density of states independent of Boundary Conditions
  • dRic2
  • · Replies 4 ·
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Undergrad Valley degeneracy in tunneling current
  • Noki Lee
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Graduate Effect of Spin on Vacuum Energy
  • DrInfinity
  • · Replies 25 ·
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25
Undergrad Is there some agreement on properties of a theory of quantum gravity?
  • KurtLudwig
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Undergrad What is an Eigenstate? Simple Explanation
  • anni
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5
Undergrad Confused by Notation? Perturbation Theory Explained
  • Getterdog
  • · Replies 1 ·
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Undergrad Conjugate variables: two descriptions (Link?)
  • nomadreid
  • · Replies 7 ·
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7
High School Quantum Computing for Beginners: Understanding Double Hadamard Gates
  • Quark Effect
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2
Undergrad Relationship between a Lie group such as So(3) and its Lie algebra
  • MichaelAlexDavM
  • · Replies 6 ·
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6
High School What is the significance of 'i' in quantum computation notation?
  • Quark Effect
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7
High School Is sunlight through gaps in leaves during an eclipse decohered?
  • quantuminternet
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4
Undergrad When does the exchange operator commute with the Hamiltonian
  • aliens123
  • · Replies 13 ·
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13
High School We can't unite QM with GR because of what the Qfield is capable of
  • quantuminternet
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Undergrad Heisenberg Uncertainty: simple explanation required please
  • cemtu
  • · Replies 5 ·
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5
High School How do orthogonal waves interfere?
  • Kuribali
  • · Replies 6 ·
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6
Undergrad Understanding algorithmic information theory's reality
  • sayetsu
  • · Replies 2 ·
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2
Graduate Commutation relations between HO operators | QFT; free scalar field
  • JD_PM
  • · Replies 10 ·
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10
Graduate Stone's theorem on one-parameter unitary groups and new observables?
  • victorvmotti
  • · Replies 2 ·
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Undergrad Rotation problem in Quantum Mechanics
  • Adwit
  • · Replies 10 ·
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10
Undergrad Von Neumann entropy for "similar" pvm observables
  • forkosh
  • · Replies 2 ·
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2
Undergrad Is the potential energy always negative in the ground state of a hydrogen atom?
  • LagrangeEuler
  • · Replies 12 ·
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12
High School Emission from a coated cathode and tunneling
  • Orthoceras
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Graduate What Conditions Allow the Derivative Trick for Evaluating Fermionic Commutators?
  • thetafilippo
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Graduate How effective can QM be to understand the mind and/or consciousness?
  • SEYED2001
  • · Replies 13 ·
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13
Undergrad Question on the SG (Stern-Gerlach) Spin experiment
  • arkantos
  • · Replies 8 ·
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8
Graduate Unraveling the Mystery of Coherent States for Graduate Students
  • Sunnyocean
  • · Replies 11 ·
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11
High School Can we measure any two of the energy, momentum or mass simultaneously?
  • SEYED2001
  • · Replies 10 ·
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10
Graduate Understanding Hermiticity of Actions in QFT for Checking and Confirming
  • John Greger
  • · Replies 4 ·
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4
Undergrad Imaginary Residuals in Solving the Schrodinger Equation
  • Bob3141592
  • · Replies 5 ·
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5
Undergrad Orbits from Orbitals: Maximally Commuting Operators & Coherent States
  • arivero
  • · Replies 12 ·
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12
Graduate Lorentz Transformations and Angular momentum | Tong's QFT notes
  • JD_PM
  • · Replies 6 ·
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6
Undergrad Form of the Standard Model: Higgs-Fermion Yukawa Coupling
  • tomdodd4598
  • · Replies 11 ·
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11
Graduate Superficial Degree of Divergence in Renormalization of Phi^3 Theory
  • The black vegetable
  • · Replies 2 ·
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Undergrad How to determine ##\psi(x,0)## in general situation?
  • Kim hyeon su
  • · Replies 1 ·
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Undergrad Scalar Hamiltonian and electromagnetic transitions
  • kelly0303
  • · Replies 5 ·
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5
Undergrad What does it mean to influence a quantum measurement's outcome?
  • entropy1
  • · Replies 23 ·
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23
Undergrad Bell's theorem : pre- and post-digitization
  • jk22
  • · Replies 1 ·
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1
High School What Are the Best References for Delayed Eraser Experiments with Electrons?
  • jeremyfiennes
  • · Replies 5 ·
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5
High School Understanding Electron Spins: A High Schooler's Guide”
  • Henrcr
  • · Replies 11 ·
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11
Undergrad Proof of Commutator Operator Identity
  • Peter Yu
  • · Replies 7 ·
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7
Undergrad Planck's law in wavenumber vs. wavelength
  • davidwinth
  • · Replies 20 ·
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20
Undergrad What is the name for the Heisenberg uncertainty principle?
  • kent davidge
  • · Replies 15 ·
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15
Undergrad Significance of the Exchange Operator commuting with the Hamiltonian
  • sophiatev
  • · Replies 9 ·
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9
Graduate Renormalization Conditions of QED
  • Gaussian97
  • · Replies 3 ·
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3
High School Where is the quantization term in Planck's Law?
  • Taulant Sholla
  • · Replies 9 ·
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9
Undergrad Quantum fluctuation and classical physics
  • kinchit bihani
  • · Replies 7 ·
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7
Graduate Electron frequency components during orbital tunneling
  • jhonnyS
  • · Replies 2 ·
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2
Graduate Dirac Propagator: Learn to Reach 8.2
  • Ayoub Tamin
  • · Replies 7 ·
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7
Undergrad Why the statistics for a real gas are not quantum in nature?
  • MichPod
  • · Replies 5 ·
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5
High School Mach-Zehnder Experiment: Wave-Particle Duality Demonstrated
  • jeremyfiennes
  • · Replies 11 ·
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11
Undergrad Steering the polarization of entangled photons
  • kurt101
  • · Replies 4 ·
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4
Undergrad Probability density expansion
  • Killtech
  • · Replies 5 ·
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5
High School How do quantum computers find a solution?
  • ngrunenberg
  • · Replies 2 ·
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2
Undergrad A qualitative question about Blackbody Radiation
  • Rishabh Narula
  • · Replies 3 ·
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3
Undergrad Effect of inserting an analyzer loop in the EPR experiment
  • kurt101
  • · Replies 3 ·
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3
Undergrad What's the importance of the squared of the angular momentum?
  • annaphys
  • · Replies 4 ·
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4
Undergrad What is the significance of 54 volts in the Davidson Germer Experiment?
  • Nikhil Rajagopalan
  • · Replies 3 ·
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3
High School Entanglement - lack of "symmetry" in no-hidden variables explanation
  • mgkii
  • · Replies 44 ·
2
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44
High School Understanding Phase Terminology in Wave Functions
  • etotheipi
  • · Replies 9 ·
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9
Graduate Quantum biology - photosynthesis
  • Amin48
  • · Replies 3 ·
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3
High School How does the observed version of the double slit get by without math?
  • DamonL
  • · Replies 15 ·
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15
Undergrad Entanglement setup that shouldn't allow for the transmission of info
  • entropy1
  • · Replies 2 ·
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2
Undergrad Commutator's Matrix representation
  • Javier2808
  • · Replies 11 ·
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11
Undergrad What is the cross section of a graviton?
  • KurtLudwig
  • · Replies 18 ·
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18
Graduate Annihilation creation operators in case of half H.oscillator
  • SUVAM ROY
  • · Replies 14 ·
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14
Undergrad Decoupling of angular momentum
  • kelly0303
  • · Replies 4 ·
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4
Graduate What is the Corrected Heisenberg Limit for Phase Estimation Measurements?
  • PeterDonis
  • · Replies 3 ·
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3
Undergrad Topological quantum physics - spin statistics
  • Replusz
  • · Replies 1 ·
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1
High School Where do virtual particles come from?
  • Fiziqs
  • · Replies 9 ·
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9
Undergrad Why Does Equation (5) in Bell's Paper Use < σ⋅a > = 1 - 2θ'/π?
  • quiteconfused
  • · Replies 2 ·
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2
Undergrad Will thermal disturbance change an atom's spin?
  • univector
  • · Replies 5 ·
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5
Undergrad Vector addition in spin orbit coupling
  • kelly0303
  • · Replies 7 ·
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7
Undergrad Why Won't Observation in a 2 Slit Experiment Cause 1 Slit Diffraction?
  • Flamel
  • · Replies 39 ·
2
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39
Undergrad Why do we observe an electron both as a wave and as a particle ?
  • Leonardo Bittar
  • · Replies 3 ·
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3
High School Multiple Sequential Delayed Choice Experiment
  • knightwing
  • · Replies 5 ·
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5