Quantum Physics Forum

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.

Threads

Graduate Tracking Photons in a Double Slit Experiment

  • unusualname
  • · Replies 1 ·
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Graduate Are Heisenberg and Schrödinger pictures truly equivalent?

  • Eynstone
  • · Replies 1 ·
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Graduate Wave packet vs relative probability

  • xboy
  • · Replies 1 ·
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Graduate Size matters but so does shape.

  • SpaceGuy
  • · Replies 1 ·
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Graduate Relation between condensed matter physics and QFT

  • Quantum River
  • · Replies 1 ·
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Graduate Inner product of signals (or wavefunction)

  • wang7022
  • · Replies 1 ·
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Graduate What does simultaneous reality and non-commuting operators mean?

  • elbeasto
  • · Replies 1 ·
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Graduate Is E=3/2 Kb T or E=Kb T?

  • dinky
  • · Replies 1 ·
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Graduate Question on Russell-Saunders term Symbols

  • luiz1
  • · Replies 1 ·
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Graduate Larmor Frequency spin, orbital or total angular momentum?

  • Master J
  • · Replies 1 ·
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Undergrad Where do the free electrons go and how do I find the energy level?

  • Marie131963
  • · Replies 1 ·
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Graduate Cloud Chambers and The Double Slit

  • Amanita-Virosa
  • · Replies 1 ·
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Graduate Wave function of two different fermions

  • Marchigno
  • · Replies 1 ·
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Graduate What Are the Different Ways Particles Can Occupy Energy Levels in Systems?

  • spaghetti3451
  • · Replies 1 ·
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Undergrad What are vibrational levels and energy states?

  • CrimpJiggler
  • · Replies 1 ·
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Undergrad What are the Best Michio Kaku Books on Wormholes, Black Holes, and Time Travel?

  • NekOSound
  • · Replies 16 ·
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Graduate Reference to a peer reviewed paper

  • Northprairieman
  • · Replies 1 ·
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Graduate Questions on Quantum Numbers (introductory physics)

  • nonequilibrium
  • · Replies 1 ·
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Graduate Quantum synchronization in a cavity

  • Danny Boy
  • · Replies 1 ·
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Undergrad How to derive the energy of a parabolic confining potential in a wire

  • john chen
  • · Replies 9 ·
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9

Graduate Lundeen Steinberg claim to resolve Hardy paradox

  • marcus
  • · Replies 2 ·
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2

Graduate Hawking Radiation and Black Hole Evaporation

  • Andrew Abbass
  • · Replies 1 ·
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Graduate Degeneracy of the Quantum Linear Oscillator

  • mavanhel
  • · Replies 1 ·
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Graduate Accelerated electron photon emission

  • Greenie
  • · Replies 1 ·
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Graduate How can I create polar plots of spherical harmonics?

  • thedy
  • · Replies 1 ·
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Graduate How Does the Rotating Wave Approximation Simplify the Density Matrix Evolution?

  • KFC
  • · Replies 1 ·
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Graduate 'Genuine Decoherence' and Macroscopic Superposition

  • StevieTNZ
  • · Replies 1 ·
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Undergrad Two Basic Blackbody Radiation quesions

  • hotcommodity
  • · Replies 1 ·
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Graduate Doube slit electron with single slit photon emitter and detector

  • superg33k
  • · Replies 1 ·
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Graduate Has Computer Simulation Proven Successful in Solving Quantum Mechanical Systems?

  • jostpuur
  • · Replies 1 ·
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Graduate Why are electron matter waves treated as standing waves?

  • GAGS
  • · Replies 1 ·
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Graduate Ping pong ball bounces under quantum uncertainty constraints

  • Allday
  • · Replies 1 ·
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Graduate Talbot Lau interferometry of carbon-70 fullerenes

  • Hans de Vries
  • · Replies 1 ·
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Graduate Spin - overlapping photons with opposite spin

  • Usaf Moji
  • · Replies 1 ·
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Undergrad How to predict the frequency of NMR spectrum

  • SqrachMasda
  • · Replies 1 ·
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Graduate What is the ground state wave function of ortho-helium and its degeneracy?

  • Oddbio
  • · Replies 1 ·
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Graduate Why quantum mechanics uses wave descriptions for particle behavior

  • oldman
  • · Replies 1 ·
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Graduate Electron spin and conservation of angular momentum

  • JonoF
  • · Replies 1 ·
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Graduate Quantum computing - bloch sphere coordinates

  • j_king
  • · Replies 1 ·
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Graduate How are the excitation energies of helium determined experimentally?

  • pivoxa15
  • · Replies 1 ·
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Graduate Calculating Fermi Energy for Neutrons Confined to a Nucleus

  • viviane363
  • · Replies 1 ·
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Graduate Scattering theory - phase shift - best approx.

  • jonas_nilsson
  • · Replies 1 ·
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Graduate How to create good quantum states from good quantum numbers?

  • mattlorig
  • · Replies 1 ·
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Undergrad Definition of a symmetry transformations in quantum mechanics

  • Lebnm
  • · Replies 4 ·
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Undergrad Reducing two-qubit Bell state to single-qubit density matrix

  • Alex Dingo
  • · Replies 3 ·
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Graduate Does Antony Valentini's "sub-quantum measurement" really work?

  • Ali Lavasani
  • · Replies 1 ·
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Undergrad Can Quantized Momentum Transfer Explain Double-Slit Interference Patterns?

  • Ali Lavasani
  • · Replies 5 ·
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Undergrad Is the Chirality Projection Operator Misused in This Scenario?

  • Aleolomorfo
  • · Replies 1 ·
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Graduate The uncertainty principle in quantum gravity

  • Bure
  • · Replies 1 ·
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Graduate Is the Counterfactual Argument for Locality and Realism Flawed?

  • Dfpolis
  • · Replies 11 ·
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Graduate Tsirelson bound and mixed states.

  • jk22
  • · Replies 1 ·
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High School Interference of Light in the Double-Slit Experiment

  • Ken Hughes
  • · Replies 24 ·
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Graduate Quantum Harmonic Oscillator: Negative Kinetic Energy Question.

  • BAnders1
  • · Replies 1 ·
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Graduate Finding the degeneracy formula for 3D particle in a box

  • steveb
  • · Replies 1 ·
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Graduate Potential barrier, wave function, and probability

  • judonight
  • · Replies 1 ·
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Undergrad Definition of the potential energy operator

  • Lebnm
  • · Replies 4 ·
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Undergrad Physical Significance/Interpretation of Angular Wave Number.

  • ApuroopS
  • · Replies 1 ·
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Graduate Understanding Black Hole Evaporation with Hawking Radiation

  • cbd1
  • · Replies 1 ·
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Graduate Hawking radiation and negative gravitational charge

  • YummyFur
  • · Replies 1 ·
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Graduate How Do Spin-1 Particles Behave in Stern-Gerlach Experiments?

  • AdrianMay
  • · Replies 1 ·
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Graduate Covalent bonding has limited range?

  • meemoe_uk
  • · Replies 1 ·
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Graduate Transmission Coefficient of a Rectangular Square Potential Barrier

  • SOMEBODYCOOL
  • · Replies 1 ·
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Graduate Dual particle and dual double slit interference

  • San K
  • · Replies 1 ·
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Graduate Mesons Violate Bell's Inequality?

  • jcsd
  • · Replies 1 ·
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Graduate How to calculate the photon flux of monochromatic light?

  • Jeffrey Yang
  • · Replies 1 ·
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Graduate Missing Ne^9 energy levels in NIST database

  • Bill Foster
  • · Replies 1 ·
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Graduate Time period measured in double slit experiment

  • m.e.t.a.
  • · Replies 1 ·
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1

Graduate Can magnetism exist outside of any non-inertial motion, such as spin?

  • kmarinas86
  • · Replies 1 ·
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Graduate Could wave/particle duality have to do with the speed limit of light?

  • fellupahill
  • · Replies 1 ·
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Graduate Entangled particle with one half in a black hole

  • SentryIII
  • · Replies 1 ·
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Graduate Isn’t Bell’s probability density for hidden variables too restrictive?

  • nekkert llup
  • · Replies 2 ·
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Graduate HUP and the Double-Slit Experiment

  • LarryS
  • · Replies 2 ·
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2

Undergrad The deduction of Fermi-Dirac and Bose-Einstein distrbiutions

  • Lebnm
  • · Replies 4 ·
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4

Graduate Does an electron's field spread as it travels to a double slit?

  • Varon
  • · Replies 1 ·
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1

Graduate Quantum Time Experiment: Teleporting Information Across Time Confirmed

  • Lost in Space
  • · Replies 1 ·
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1

Graduate How particles become localized

  • dsdsuster
  • · Replies 1 ·
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1

Graduate Relativistic derivation of E=1/2MV^2 from QFT or Diriac or other

  • PBTR3
  • · Replies 10 ·
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10

Graduate What is the Klein-Gordon equation

  • Greg Bernhardt
  • · Replies 1 ·
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Graduate Spin projections on different axis

  • turbocod
  • · Replies 1 ·
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Graduate Two spin 1/2 partcles and spin operators

  • Amok
  • · Replies 1 ·
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Graduate Wave packet moving in a magnetic field

  • victorphy
  • · Replies 1 ·
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Graduate Uncertainty Principle and Fourier Transforms

  • Cawb07
  • · Replies 1 ·
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1

Graduate No Cloning Theorem: Understand Why It Violates Uncertainty

  • desmal
  • · Replies 1 ·
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Graduate Ed Jaynes on EPR and quantum completeness

  • JohnBarchak
  • · Replies 1 ·
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1

Graduate What is the wave function and is it physically real?

  • gabrielh
  • · Replies 1 ·
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1

Graduate Functional Derivatives in Q.F.T.

  • QFT1995
  • · Replies 1 ·
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1

Undergrad Is it possible for something to be smaller than a Planck length?

  • multiversetheory
  • · Replies 4 ·
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4

Undergrad Is Gravity an Observer in Schrödinger's Cat Experiment?

  • jon4444
  • · Replies 17 ·
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17

Graduate Is the cluster decomposition equivalent to no phase transitions?

  • jordi
  • · Replies 16 ·
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Undergrad Advanced Dirac Notation Question

  • Jeremiah Givens
  • · Replies 10 ·
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Undergrad The 4 solutions to the Dirac equation

  • kelly0303
  • · Replies 6 ·
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6

Undergrad Van der Waals force in quantum physics

  • Philipsmett
  • · Replies 2 ·
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2

Graduate Macroscopic systems in the quantum theory book by Asher Peres

  • A. Neumaier
  • · Replies 12 ·
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12

Undergrad Vacuum energy length scale detectable by the Casimir effect?

  • jcap
  • · Replies 2 ·
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Undergrad How can a photon have no mass if it has momentum?

  • jaurandt
  • · Replies 7 ·
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Graduate Why are there only two possible spin-eigenstates for deuterium's nucleus?

  • JD_PM
  • · Replies 20 ·
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High School So can I use "wave particle duality?"

  • Bianca Meske
  • · Replies 34 ·
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Undergrad Reconciling Determinism and Superposition in Quantum Theory

  • Anonymous
  • · Replies 4 ·
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4

Graduate How to find the E_J value of a 3D transmon from microwave measurements

  • ramyasuresh
  • · Replies 3 ·
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3

Undergrad Can the Energy of Ammonia Molecule Be Defined in a Non-Eigenstate State?

  • Lebnm
  • · Replies 3 ·
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