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.
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Undergrad Can Electric Fields Affect the Unruh Temperature of Vacuum Fluctuations?
- jcap
- · Replies 3 ·
High School Expressing parabolic motion in bra-ket notation for year 2 students
- whitsona
- · Replies 10 ·
Undergrad Is the fine structure constant the biggest myth ever?
- Tio Barnabe
- · Replies 7 ·
Graduate Qualitative Explanation of Density Operator
- astrofunk21
- · Replies 2 ·
High School Can quantum foam contain a non-interacting substrate that defines fundamental forces?
- sirios
- · Replies 2 ·
Undergrad Does Conscious Observation Affect the Outcome of the Double-Slit Experiment?
- bobos1997
- · Replies 12 ·
Graduate Relativity implies antimatter?
- angus podgorny
- · Replies 8 ·
High School Dual meaning of "measurement" in QM
- zonde
- · Replies 12 ·
Graduate Creating a transverse field Ising spin compatible super Hamiltonian
- ProgrammingGodJordan
- · Replies 1 ·
Undergrad Does slowing light with a BEC change any of its properties?
- AamsterC2
- · Replies 5 ·
Undergrad Is the Quantum Eraser Experiment Misunderstood in Pop Science?
- Trollfaz
- · Replies 1 ·
High School How does quantum entanglement work and does it affect everyday objects?
- nnope
- · Replies 79 ·
High School What is the energy of virtual particles in a vacuum?
- sirios
- · Replies 3 ·
High School Does the no-cloning theorem apply across parallel universes?
- Lunct
- · Replies 4 ·
Undergrad Can Different Multiplications of ψ(x) and Φ(t) Result in Solutions to TDSE?
- yosimba2000
- · Replies 13 ·
Undergrad Instrumentalism and consistency
- Demystifier
- · Replies 77 ·
High School Can hidden variables depend on measurement time or position?
- rede96
- · Replies 66 ·
Undergrad Explaining quantum entanglement
- davidge
- · Replies 7 ·
Undergrad Expectation value of energy in TISE
- yosimba2000
- · Replies 3 ·
Undergrad Double slit interference: moving waves
- PiotrDab
- · Replies 1 ·
Graduate Quantum measurement with incomplete basis?
- jarekduda
- · Replies 2 ·
Undergrad 3 polarizers -- correlations of correlations
- Leo1233783
- · Replies 2 ·
Undergrad The uncertainty principle and moving reference frames
- Daniel Gallimore
- · Replies 12 ·
High School Why is there no proton degeneracy pressure?
- Pedro de la Torre
- · Replies 4 ·
Graduate Infrared Divergences in QED Revisited
- David Neves
- · Replies 1 ·
Graduate Is Quantum Chaos Random or Deterministic?
- Crass_Oscillator
- · Replies 23 ·
Undergrad Confusion with the Photoelectric Experiment
- Fruit Water
- · Replies 6 ·
Undergrad Has Quantum Mechanics Solved the Measurement Problem?
- entropy1
- · Replies 8 ·
High School Does quantum indeterminacy affect the macroscopic world?
- Mario Rossi
- · Replies 103 ·
Undergrad Light amplification with open-ended laser tube
- Erik Ayer
- · Replies 2 ·
High School Can superconductivity be predicted from the Schrödinger equation alone?
- star apple
- · Replies 3 ·
High School Schrödinger Equation for the fusion of Deuterium(2H) and a Proton(H)
- Viridun
- · Replies 4 ·
High School How does measuring one entangled electron affect the other?
- davezap
- · Replies 10 ·
Undergrad Terms canceling out in unitarily evolving state
- Swamp Thing
- · Replies 5 ·
High School Why does gravity exceed Planck's radius in neutron calculations?
- sirios
- · Replies 13 ·
High School Can quantum randomness explain matter-antimatter asymmetry?
- calinvass
- · Replies 6 ·
Undergrad What is Meant by Measured in the Context of Electron Position?
- Ken Ucarp
- · Replies 20 ·
High School A programmer's point of view of 2 quantum physics principles
- anothergol
- · Replies 3 ·
High School Do quarks and leptons have electromagnetic fields?
- sirios
- · Replies 6 ·
Undergrad Confusion about Dirac Notation (interferometer)
- Edge Of Pain
- · Replies 1 ·
Undergrad Classical vs quantum wave amplitudes?
- LarryS
- · Replies 6 ·
Undergrad Question: Quantum Dot Laser - Energy Band
- ulver48
- · Replies 2 ·
High School Can clocks explain the probability of finding a particle in motion?
- Derek M
- · Replies 4 ·
High School Some questions about "superdeterminism" and Bell's Theorem
- penguin_surprise
- · Replies 75 ·
Undergrad Binding energy in QM and in GR
- zonde
- · Replies 7 ·
High School Non-deterministic Hidden variables that can't be described by math
- Blue Scallop
- · Replies 3 ·
High School Poor man's double slit etc. setup
- Blue Scallop
- · Replies 36 ·
Undergrad So, do vacuum fluctuations exist?
- davidge
- · Replies 3 ·
Undergrad Wave function measurement question
- Kevlwig
- · Replies 2 ·
Undergrad How are degrees of freedom understood in QM?
- Posy McPostface
- · Replies 3 ·
Undergrad Fourier conjugates and momentum
- redtree
- · Replies 45 ·
Undergrad Can Spin State Recombination Restore the Original Quantum State?
- Mentz114
- · Replies 4 ·
Undergrad Why does intensity mean anything if there's a complex number
- yosimba2000
- · Replies 8 ·
Undergrad Countable or Uncountable Cardinality of Multiverse?
- FallenApple
- · Replies 4 ·
Undergrad Can we operate with several operators at once on a state?
- Tio Barnabe
- · Replies 1 ·
High School Quantum entanglement and potential wells
- satyesu
- · Replies 5 ·
High School Is there a tension between QM and QFT?
- ftr
- · Replies 9 ·
Undergrad Does the Compton Effect Challenge the Particle Nature of Light?
- Sudarsan
- · Replies 7 ·
Undergrad Difference between CHSH and Bell inequalities
- harpo
- · Replies 5 ·
High School Can you detect stationary bosons?
- itoero
- · Replies 3 ·
Undergrad When does superposition collapse or entanglement take place
- Trollfaz
- · Replies 3 ·
Undergrad Calculating Helicity in Non-Relativistic Quantum Mechanics using Pauli Matrices
- Tio Barnabe
- · Replies 3 ·
High School Superposition particles in a box
- Dillon B
- · Replies 7 ·
High School Wave function deterministic yet not classical
- Blue Scallop
- · Replies 12 ·
High School Black hole information paradox and determinism
- Atla2017
- · Replies 12 ·
Undergrad Can Bound States Leak and How Do Scattering States Behave?
- WWCY
- · Replies 3 ·
Undergrad Questions Regarding Free Particles - Griffith's QM (I)
- WWCY
- · Replies 10 ·
Undergrad Spin 1/2 representation of a particle
- Tio Barnabe
- · Replies 8 ·
Undergrad Deriving the equations of QM/QFT
- Tio Barnabe
- · Replies 21 ·
Undergrad Calculating Relativistic Phase and Group Velocity
- jstrunk
- · Replies 10 ·
High School Understanding Excitation Energy in Atoms: Threshold Values and Potential States
- Bennet
- · Replies 3 ·
Graduate The Lagrangian Density and Equations of Motion
- bleist88
- · Replies 3 ·
Undergrad Two slit experiment w baseballs
- Ronmarc
- · Replies 5 ·
High School Psi-ontic view, macro objects and decoherence
- PuzzledR
- · Replies 38 ·
High School How Does Detector Placement Affect Ratios in the Double Slit Experiment?
- calinvass
- · Replies 6 ·
Undergrad Exact value for every observable in QM?
- asimov42
- · Replies 4 ·
Undergrad Concerning concioussnes and the double slit experiment.
- bobos1997
- · Replies 2 ·
High School Some very basic questions around the double slit experiment
- rede96
- · Replies 14 ·
Undergrad (Apparent?) paradoxes - Classical/Quantum theory predictions
- davidge
- · Replies 18 ·
Undergrad Does Bell's inequality violation prove measurement causes distant correlations?
- Blue Scallop
- · Replies 47 ·
Undergrad How to study a particle with several features?
- Tio Barnabe
- · Replies 8 ·
Undergrad Does QFT explain macroscopic objects?
- Peter Perfect
- · Replies 1 ·
High School Entangled Photon Measurements: A(t) = d/c and B(t) = 5d/c
- Point Conception
- · Replies 3 ·
Undergrad Why do electrons behave as classical particles when they are far apart?
- Tio Barnabe
- · Replies 7 ·
Graduate Bound states and the energy-momentum relation....
- asimov42
- · Replies 20 ·
Undergrad Is a Quantum-Controlled Mirror Possible?
- Erik Ayer
- · Replies 2 ·
Graduate Virtual Fermions and Pauli Principle
- Marrrrrrr
- · Replies 2 ·
High School How is Bohr's atom model convenient with quantum mechanics?
- Karagoz
- · Replies 3 ·
High School Conditions for paired electrons
- Konstantinos Michos
- · Replies 1 ·
Graduate Are newly created particles in scattering experiments on-shell asymptotic states?
- asimov42
- · Replies 47 ·
Undergrad Hamiltonian after transformation to interaction picture
- lutherblissett
- · Replies 2 ·
Undergrad Does QM allow for a photon to travel at 800,000 km/s?
- gamow99
- · Replies 8 ·
Undergrad Is Hawking Radiation unique? (And one more question)
- Tio Barnabe
- · Replies 3 ·
Graduate Can zero dimensional QFT be real?
- friend
- · Replies 9 ·
Undergrad Entanglement-questions photons
- itoero
- · Replies 1 ·
High School Exciting an H-Atom: Effects on Kinetic Energy
- rahaverhma
- · Replies 1 ·
Undergrad Quantum Tunneling Max Distance
- name123
- · Replies 29 ·
Undergrad Hilbert space in Everettian QM
- Posy McPostface
- · Replies 18 ·
High School Why did Max Planck assume discrete energy values?
- Mikeal
- · Replies 22 ·
Undergrad Why is Quantum Gravity theory still not "finished"?
- Tio Barnabe
- · Replies 44 ·