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.
Sub-forums
Threads
Graduate Is Movement an Illusion in the Quantum Field?
- GEOFFB
- · Replies 20 ·
Graduate SU(3) symmetry and simple zeros of w. f.
- stel
- · Replies 2 ·
Graduate What are weight spaces and how do they relate to the representation of SU(2)?
- jdstokes
- · Replies 6 ·
Graduate Does gravity have quantum particles like photons?
- rakeshsugirth
- · Replies 3 ·
Graduate Microcausality in algebraic QFT
- hellfire
- · Replies 12 ·
Graduate How Does Max Tegmark's Multiverse Theory Influence Human Decision-Making?
- bennington
- · Replies 2 ·
Graduate Afshar experiment questions - PROPONENTS only:P
- confusedashell
- · Replies 23 ·
Graduate Wave packet reflection and tunneling through a finite barrier
- castusalbuscor
- · Replies 1 ·
Graduate Quantum sensor and units issue
- triscuit
- · Replies 1 ·
Graduate Magnetic Quantum No: Angular Momentum, Electron Orbit Orientation
- mkbh_10
- · Replies 3 ·
Graduate Metric tensor, infitesimal transformation
- gouranja
- · Replies 1 ·
Graduate How do n, l, and m specify the electron's degrees of freedom?
- mkbh_10
- · Replies 2 ·
Graduate Spin 1/2 vs Spin 2: Does 360 Degrees Change?
- alphachapmtl
- · Replies 3 ·
Graduate When Is a Quantum Field Theory Exactly Solved?
- Lester
- · Replies 4 ·
Graduate KK Thermal Physics Ch4: A Peculiar Model of Photons
- Euclid
- · Replies 5 ·
Graduate Example of observing without absorbing needed
- Ulysees
- · Replies 2 ·
Graduate What is the Smallest Quantum of Charge? - AJ
- ajsingh
- · Replies 1 ·
Graduate What is the origin of vacuum fluctuations in quantum field theory?
- bennington
- · Replies 3 ·
Graduate How Do Atomic Forces Influence Friction at the Quantum Level?
- Loren Booda
- · Replies 9 ·
Graduate Max Born and probability waves
- RegalPlatypus
- · Replies 9 ·
Graduate Will quantum computers ever be possible?
- confusedashell
- · Replies 138 ·
Graduate Electron in a well: energies are quantized or not?
- no_math_plz
- · Replies 7 ·
Graduate Discreteness of Electron Orbits: Elliptical Shapes?
- mkbh_10
- · Replies 1 ·
Graduate What's going on between Alice and Bob?
- TimH
- · Replies 8 ·
Graduate Gauge derivative calculation in Zee's QFT on page 236
- Bowles
- · Replies 11 ·
Graduate How Do Energy Levels Interact When They Are Quantized?
- Thyme
- · Replies 8 ·
Graduate Space quantization of electron orbits ?
- mkbh_10
- · Replies 2 ·
Graduate Posulates of quantum mechanics
- shalu
- · Replies 25 ·
Graduate Doublets Scalar Potential Question
- Magister
- · Replies 1 ·
Is this physics work amusing?
- poeteye
- · Replies 2 ·
Graduate Can Quantum Mechanics Be Generalized Beyond Bell's Theorem?
- gel
- · Replies 2 ·
Graduate Understanding Griffiths' Perturbation Theory in Quantum Mechanics
- cepheid
- · Replies 5 ·
Graduate Why/how electron spin conserved?
- Gerenuk
- · Replies 8 ·
Graduate First excite electrons into a higher state for lasers
- VVS
- · Replies 8 ·
Graduate Can a Quantum Bouncing Ball Tunnel Through an Infinite Potential Barrier?
- supakorn
- · Replies 1 ·
Graduate Why Couldn't Einstein Accept Non-Locality?
- peter0302
- · Replies 19 ·
Graduate Do Virtual Particles Defy the Law of Conservation of Energy?
- hadeka
- · Replies 22 ·
Is There a Dedicated String Forum on This Site?
- fersher
- · Replies 1 ·
Graduate How do you convert Planck's Radiation Formula into terms of wavelength?
- nadeemo
- · Replies 4 ·
Graduate Is time quantized or continuous?
- yoran
- · Replies 3 ·
Graduate Would quantum mechanics change if atoms were scaled differently?
- bvic4
- · Replies 5 ·
High School What is negative energy and how could it enable faster-than-light travel?
- ash_win
- · Replies 4 ·
Graduate What is the true nature of photons and can they be split?
- Glynis
- · Replies 3 ·
Graduate Why must wavefunctions be complex rather than real?
- naqo
- · Replies 40 ·
Graduate Difference between J and l quantum numbers in rotation
- Ayame17
- · Replies 5 ·
Undergrad Simple quantum experiments with everyday equipment
- feelalive
- · Replies 8 ·
Graduate Semiclassical properties of coherent states in the quantum oscillator
- nolanp2
- · Replies 3 ·
Graduate Magnetic moment is an intrinsic property of elementary particles?
- cks
- · Replies 4 ·
Graduate What happens if two particles come within their Schwarzschild radius?
- quantumfireball
- · Replies 5 ·
Graduate Is There a Flaw in the Double Slit Experiment Theory?
- paulhunn
- · Replies 14 ·
Graduate Can entanglement in time explain the arrow of time and change?
- feelalive
- · Replies 19 ·
Graduate Breaking quantum entanglement
- xlines
- · Replies 13 ·
Undergrad Why can wave nature of light not explain photoelectric effect?
- savi
- · Replies 67 ·
Graduate How do physicists derive the Planck time?
- Mephisto
- · Replies 4 ·
Graduate A few quantum mechanics problems
- AhmedEzz
- · Replies 12 ·
Graduate Imagining particles, fields and interactions
- quantumfireball
- · Replies 1 ·
Graduate Determining uncertanity from the wave equation
- mc_i2020
- · Replies 3 ·
Graduate Using the energy of quantum oscillations
- hammertime
- · Replies 1 ·
Graduate Electron orbital angular momentum
- ijustlost
- · Replies 7 ·
High School How can light have a frequency and how do you change it?
- dmitrip
- · Replies 4 ·
Undergrad What is cutoff potential in the photoelectric effect?
- dmitrip
- · Replies 1 ·
Graduate Why Does the 1-D Box Problem Present a Paradox in Momentum Eigenfunctions?
- JK423
- · Replies 6 ·
Graduate Quantum Mechanics of Rolling Balls: Learn More
- silagadze
- · Replies 3 ·
Graduate Understanding observables in QM
- bekker
- · Replies 5 ·
Graduate Proposed Modification to Afshar's Experiment
- peter0302
- · Replies 22 ·
Graduate Understanding Physics: The Exchange of Virtual Photons
- wdlang
- · Replies 1 ·
Graduate Good introductions to quantum field theory and vacuum
- Sojourner01
- · Replies 7 ·
Graduate Understanding Vacuum Fluctuations Mathematically
- quantumfireball
- · Replies 1 ·
Graduate Quanta of massive vector fields
- quantumfireball
- · Replies 12 ·
Graduate Constructive Interference In Light
- -Job-
- · Replies 9 ·
Graduate Wave vs. Particle-Like Behavior
- peter0302
- · Replies 76 ·
Graduate Electron gun creates n possible paths, slits select which ones reach screen
- yasar1967
- · Replies 34 ·
Graduate What exactly does spin mean when talking about quantum physics?
- A.I.
- · Replies 5 ·
Graduate Deriving Schrodinger's Equation w/o Boundary Conditions
- Hyperreality
- · Replies 71 ·
Graduate Where Can I Find Translated Classical Papers on Quantum Mechanics?
- epenguin
- · Replies 4 ·
Graduate Maxwell distribution of kinetic energies
- bobwell
- · Replies 1 ·
Graduate General version of fermi-dirac distribution?
- timmy1234
- · Replies 5 ·
Graduate Do All Electrons in a Molecular Orbital Share the Same Magnetic Quantum Number?
- grunf
- · Replies 4 ·
Graduate Why Don't the Laws of Quantum Mechanics Work at Planck Scales?
- jr@kg
- · Replies 11 ·
Undergrad What is a spin Hamiltonian?
- Rajini
- · Replies 4 ·
Graduate Does pilot wave theory violate Bell's inequality?
- Smacal1072
- · Replies 11 ·
Graduate What is the PDE for photons proposed by Bialynicki-Birula?
- birulami
- · Replies 9 ·
Undergrad How can I do the double slit experiment with limited resources?
- rohanprabhu
- · Replies 1 ·
Graduate Electrons are fired one by one in double slit-interference
- blade_chong
- · Replies 2 ·
Graduate Is it possible to derive E=h f from E=h \nu in the theory of light quanta?
- arivero
- · Replies 5 ·
High School Is it Possible? Laser Generated from Non-Absorbable Substances
- A-A
- · Replies 3 ·
Graduate Confusion about eigenstates and wavefunctions.
- Woozie
- · Replies 4 ·
Graduate Quantum Mechanics 1D Harmonic Oscillator Simulator
- Arham
- · Replies 2 ·
Graduate Can Quantum Entanglement Enable Faster-Than-Light Communication?
- madiyaan
- · Replies 12 ·
Graduate Quantum phenomena and the passage of time.
- solidon
- · Replies 18 ·
Graduate What is the current understanding of the nature of photons?
- Mephisto
- · Replies 129 ·
Graduate Models of photon from classical physics to quantum field theory
- Bright
- · Replies 47 ·
Graduate Why replace Hamiltonian with operator?
- Xeinstein
- · Replies 2 ·
Graduate Different versions of the uncertainty principle
- touqra
- · Replies 1 ·
Undergrad Does intensity determine the occurrence of the photoelectric effect?
- rohanprabhu
- · Replies 15 ·
Graduate When is the Hamiltonian a matrix versus a differential operator?
- Tanja
- · Replies 5 ·
Graduate What exactly is the definition of a "quantum event"?
- 111111
- · Replies 1 ·
Graduate How Does Acceleration of Charged Particles Produce Electromagnetic Radiation?
- Himanshu
- · Replies 3 ·
Graduate Why does electron have wave property
- mdeng
- · Replies 5 ·
Graduate Why is the Tr notation used in the Z=Tr(Exp(-bH)) equation for the Ising model?
- YaroslavVB
- · Replies 12 ·