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 What is exactly meant by wave nature,does the particle move like a
- prudhvi mohan
- · Replies 10 ·
Graduate Understanding Discrete Symmetries in Quantum Field Theory
- ismaili
- · Replies 1 ·
Graduate Quantum entanglement in communications possible?
- Moviemann345
- · Replies 6 ·
Graduate Identical particles, eigenstates, empirical or theoretical
- jostpuur
- · Replies 11 ·
Graduate De Broglie wavelength and it's dependence of the frame of reference
- Dweirdo
- · Replies 8 ·
Graduate What proof is there that light has zero mass?
- azzkika
- · Replies 32 ·
Does a movie scene about quantum mechanics ring true?
- wittgenstein
- · Replies 8 ·
Graduate Does measuring particle travel time collapse the double-slit interference pattern?
- MacNab
- · Replies 5 ·
Graduate What Does Quantum Free Fall Experiment with Cold Neutrons Imply?
- crx
- · Replies 1 ·
Graduate Quantum accelerometer using Unruh effect (Jorma Louko)
- marcus
- · Replies 1 ·
Graduate Why is a diagonal X_3 matrix an irrep of SO(3)?
- LAHLH
- · Replies 10 ·
Graduate Commutativity of frequency measurement
- zonde
- · Replies 9 ·
Graduate Representation of angular momentum matrix in Cartesian and spherical basis
- kof9595995
- · Replies 9 ·
Graduate Observational data and wavefunction collapse
- kamikaze762
- · Replies 25 ·
Graduate Can’t specify the exact energy of system in a distinc timet
- alimehrani
- · Replies 11 ·
Graduate Higher Point CFT Correlation Functions
- dodelson
- · Replies 2 ·
Graduate Probability amplitude in Heisenberg e Schrodinger pictures
- AdeBlackRune
- · Replies 4 ·
Graduate Hamiltonian Algebras: What Do We Mean By "Generated"?
- charlesworth
- · Replies 2 ·
Graduate Are a and b in this QED equation the Dirac matrices?
- snoopies622
- · Replies 3 ·
Graduate Particle Zoo: How Do Particles Sense Each Other?
- travwg33
- · Replies 1 ·
Graduate Particle-Wave Duality Contention
- cbd1
- · Replies 32 ·
Graduate Simultaneous diagonalisation of non-hermitian operator (Bloch theorem)
- Llewlyn
- · Replies 12 ·
Graduate How to detect nteraction between two massless particles?
- mangothode
- · Replies 1 ·
Graduate What are the minimal conditions for a non-relativistic quantum theory?
- Mokdad
- · Replies 7 ·
Graduate Why Do Spin Flips at Fermi Level Occur?
- johnsmi
- · Replies 1 ·
Graduate Understanding Wick Contractions for Quantum Field Theory
- NanakiXIII
- · Replies 8 ·
Graduate How do photons interfere with each other/themselves?
- xtempore
- · Replies 12 ·
Graduate About measuring angular momentum
- snoopies622
- · Replies 6 ·
Graduate Why is the singlet configuration anti-symmetric?
- iluvphysics
- · Replies 16 ·
Graduate How Does Observed Superposition Impact Interpretations of Quantum Mechanics?
- marky3
- · Replies 10 ·
Graduate Texts on Quantum Fields without Maxwell's Equations
- Vectronix
- · Replies 2 ·
Graduate Did Bell's Theory Contain a Mathematical Flaw?
- Gordon Watson
- · Replies 68 ·
Graduate Is Gravity a Fictitious Force Only Valid in Quantum Physics?
- Red_CCF
- · Replies 3 ·
Graduate What are force-carrying particles and how do they work in quantum mechanics?
- Unlockitall
- · Replies 5 ·
Graduate Energy loss in collision in oscillator
- astro2cosmos
- · Replies 2 ·
Graduate Radiation pressure, momentum question.
- crx
- · Replies 6 ·
Graduate Why did Planck's quanta solve the ultraviolet catastrophe?
- gsingh2011
- · Replies 4 ·
Graduate Where Can I Find Feynman Rules for Chiral Perturbation Theory?
- JacobStark
- · Replies 2 ·
Graduate Heisenberg vs Schrodinger Picture
- nateHI
- · Replies 4 ·
Graduate Solving Commuting Operator Equations: Understanding Lz and T in Atoms
- CorruptioN
- · Replies 1 ·
Graduate How does the Energy of a particle stay together?
- Moviemann345
- · Replies 5 ·
Graduate Thermal Field Theory Integration over the modes?
- Phymath
- · Replies 1 ·
Graduate Is my lattice-based explanation of quantum mechanics accurate?
- 8d71s6jg
- · Replies 20 ·
Graduate Relation between Lie Algebras and Gauge Groups
- YangMills
- · Replies 9 ·
Graduate Why do some papers use binomial expansion in dimensional regularization?
- RedX
- · Replies 2 ·
Undergrad Particle-wave duality of sound waves
- zewpals
- · Replies 16 ·
Graduate Physical intrepretation of Sr.E.
- astro2cosmos
- · Replies 18 ·
Graduate Dark Matter and the Uncertainty Principle
- OwlHoot
- · Replies 1 ·
Graduate Problem with source term in qft
- DrDu
- · Replies 1 ·
Graduate Probability current and it's meaning
- nateHI
- · Replies 1 ·
Graduate 2 questions about the double slit experiments
- The_Thinker
- · Replies 25 ·
Graduate What is the meaning of the electron energy states in a hydrogen atom?
- zincshow
- · Replies 8 ·
Graduate About the significance of commutivity
- snoopies622
- · Replies 21 ·
Graduate How to perceive probability value in QM?
- leoneri
- · Replies 3 ·
Graduate Proof that gamma matrices form a complete basis
- joe_blogs
- · Replies 2 ·
Graduate What causes the shape of the blackbody radiation graph?
- manenbu
- · Replies 4 ·
Graduate Finding H2 Given |\uparrow> and H1
- johnsmi
- · Replies 8 ·
Undergrad Stadium Wave as Longitudinal Wave in Terms of Transmission
- Luris
- · Replies 2 ·
Graduate Full implications of bell's inequality
- marky3
- · Replies 2 ·
Graduate How are Magnetic Fields described in Quantum Mechanics?
- boderam
- · Replies 5 ·
Graduate QFT Source Function: What is J Physically?
- NanakiXIII
- · Replies 6 ·
Graduate Absorption (without energy level transition).
- Infrasound
- · Replies 23 ·
Graduate Kronig-Penny model, how electrons get free of their atom?
- LostConjugate
- · Replies 3 ·
Graduate What is Velocity in Quantum Mechanics?
- orienst
- · Replies 44 ·
Graduate What is the Trace of Density of States?
- john0909
- · Replies 6 ·
Graduate Can the Orbital Spin be Described by a Probability Distribution?
- SimonBennett
- · Replies 5 ·
Graduate Is the Planck Wavelength the Smallest Possible Measurement in Physics?
- ryan albery
- · Replies 5 ·
Graduate Do many photons interfere with them selves or each other?
- jimjones
- · Replies 1 ·
Graduate What causes electrical charge in particles with spin?
- filegraphy
- · Replies 3 ·
Graduate Electron remain as particle in atoms?
- exmarine
- · Replies 3 ·
Graduate (global) Gauge invariance and field theory
- jensa
- · Replies 15 ·
Graduate Delta well + infinite barrier -> bound state
- maverick280857
- · Replies 30 ·
Graduate Is Hamiltonian operator a Hermitian operator?
- vact
- · Replies 4 ·
Graduate Why does dN/dE decrease with mass in a white dwarf?
- vin300
- · Replies 2 ·
Graduate Is MO theory the most accurate model for atomic bonding?
- cnidocyte
- · Replies 2 ·
Graduate Entanglement and the Holographic principle
- Craine
- · Replies 2 ·
Graduate How does a quantum harmonic oscillator oscillate?
- closet mathemetician
- · Replies 1 ·
Graduate Measurement Problem: Wavefunction Interaction with Macroscopic Objects
- marky3
- · Replies 3 ·
Undergrad How Does Light Regain Speed After Passing Through a Medium?
- RYeag
- · Replies 8 ·
Undergrad Whether light emits the same amount of energy when it is in waves
- msridhar87
- · Replies 5 ·
Graduate What happens if we use two lasers for interference?
- Glen Bartusch
- · Replies 25 ·
Graduate Is the proton 4% smaller than expected in QED?
- my_wan
- · Replies 36 ·
Graduate Implicate order and explicate order
- TheAlkemist
- · Replies 2 ·
Graduate Associated Laguerre Polynomial
- khauna
- · Replies 4 ·
Graduate Why can't a meson decay into vacuum in Yukawa theory?
- Rick89
- · Replies 14 ·
Graduate Decoherence by macroscopic interaction
- marky3
- · Replies 2 ·
Graduate Are virtual particles real or just mathematical artifacts in the vacuum catastrophe?
- cbd1
- · Replies 5 ·
Graduate Collision of two small particles
- kevin0960
- · Replies 1 ·
Undergrad Elementary Questions on Quantum Physics for 15-18 Year Olds
- PipBoy
- · Replies 5 ·
Graduate Justification of a common calculation
- saunderson
- · Replies 2 ·
Graduate Bizarre results of 1-dimensional delta-function potential well
- bknock
- · Replies 8 ·
Graduate Why so(3) is not isomorphic to su(2)?
- wdlang
- · Replies 2 ·
Graduate Breaking the speed of light - It's been done, twice
- Leej547
- · Replies 3 ·
Graduate Is the Schrodinger's Cat Experiment Flawed Due to the Cat Being an Observer?
- gibbo76
- · Replies 22 ·
Graduate Do Photons Have Mass and How Does It Relate to Gravitational Lensing?
- ronaldoshaky
- · Replies 22 ·
Graduate Why doesn't knowing a photon's position determine its momentum?
- stone1
- · Replies 1 ·
Graduate Diagonalizing Spin Hamiltonian
- antibrane
- · Replies 2 ·
Graduate Renormalization and divergences
- eljose
- · Replies 3 ·
Graduate Can polar coordinates solve overlapping divergences in integrals?
- zetafunction
- · Replies 1 ·
Graduate How Many Counterterms Are Needed for Logarithmic Divergences?
- zetafunction
- · Replies 1 ·