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 H† a dual vector space, or does it only exist paired with H?
- lonewolf219
- · Replies 2 ·
Graduate Is H^DaggerH invariant under rotations and translations?
- lonewolf219
- · Replies 2 ·
Graduate Solving Hartree Fock Iteration for Closed Shell Atoms with GTO Basis
- cheong
- · Replies 2 ·
Graduate Do quantum fields vanish at infinity?
- geoduck
- · Replies 7 ·
Graduate I don't see what's weird about the double slit experiment
- cataclysmic
- · Replies 35 ·
Graduate How can I find the S_{x} operator using spin base transformation?
- Dreak
- · Replies 1 ·
Graduate Hamiltonian matrix and eigenvalues
- Roodles01
- · Replies 1 ·
Graduate What Are the Selection Rules for the Hydrogen Atom in LS Coupling?
- dsdsuster
- · Replies 1 ·
Graduate Why are H†H and (H†H)² invariant under U(1) × SU(2)?
- lonewolf219
- · Replies 13 ·
Graduate The end all be all of the planck scale
- fet2105
- · Replies 6 ·
Graduate Do Bell and PBR together point toward nonlocal reality?
- Demystifier
- · Replies 142 ·
Graduate Higgs potential and fluctuations about the vacuum
- lonewolf219
- · Replies 2 ·
Graduate Can quantum mechanics predict the likelihood of chemical reactions in mixtures?
- Big-Daddy
- · Replies 10 ·
Graduate Schrödinger cat´s from Rovelli Relational Quantum Mechanics viewpoint
- StarsRuler
- · Replies 13 ·
Graduate Wave-particle duality in the Standard Model
- sulemanma2
- · Replies 16 ·
Undergrad Particle-Wave Duality of Elementary Particles
- Daanikus
- · Replies 6 ·
Graduate Quantum Communication, ion traps of thermoluminescent materials
- sdwdd
- · Replies 3 ·
Graduate Can small changes in fundamental constants affect the properties of water?
- hilbert2
- · Replies 3 ·
Graduate Is Planck Time and Length the Smallest Possible Units of Measurement?
- MathJakob
- · Replies 1 ·
Graduate One-particle system with phase transition?
- hilbert2
- · Replies 7 ·
Graduate What Is a Quantum Jump and How Does It Work?
- ChingE
- · Replies 5 ·
Graduate Are point particles and infinite universe linked conceptually?
- fet2105
- · Replies 51 ·
Graduate May decoherence be reversible?
- naima
- · Replies 1 ·
Graduate Does observer expectation influence the double slit experiment?
- EAPB
- · Replies 4 ·
Graduate Relationship between vertex function and current
- geoduck
- · Replies 3 ·
Graduate Negative kinetic energy in Bose Hubbard mode?
- Questionasker
- · Replies 2 ·
Undergrad Why does light slow down in glass if photons must travel at c?
- #Kylle
- · Replies 2 ·
Graduate Functional or regular (partial) taylor series in Field theory
- center o bass
- · Replies 6 ·
Graduate Blackbody radiation and Planck constant questions
- rabcarl
- · Replies 6 ·
Graduate Why do we call the psi function the wave' function
- HomogenousCow
- · Replies 4 ·
Graduate What does position entangled mean?
- San K
- · Replies 4 ·
Graduate Radiation in photoelectric effect.
- khanhhung2512
- · Replies 5 ·
Graduate Local Conservation Of Charge And Quantum Mechanics
- Dr_Pill
- · Replies 2 ·
Graduate Finding the potential V(x) from an energy spectrum En∝n^3/2
- hilbert2
- · Replies 11 ·
Graduate Why can QFT operators act on Fock space if the wavefunction is a point in it?
- Xezlec
- · Replies 4 ·
Graduate Understanding wave particle duality
- i.h87
- · Replies 1 ·
Graduate Spin entanglement and which-slit detection in double slit experiment
- Salamon
- · Replies 4 ·
Graduate Why do objects always move to a state of lower potential energy?
- eightsquare
- · Replies 20 ·
Graduate What do waves represent in QM?
- iScience
- · Replies 4 ·
Graduate How Does the Pauli-Lujanski Tensor Relate to Gauge Invariance?
- thalisjg
- · Replies 9 ·
Graduate Have the planck scales been proven to be true?
- iScience
- · Replies 7 ·
Graduate How Does Photon Spin Relate to Quantum Mechanics and Bell's Inequalities?
- San K
- · Replies 11 ·
High School Heisenberg uncertainty for noob
- Bandarigoda
- · Replies 11 ·
Graduate What is the role of zeta in atomic shells and its connection to quantum physics?
- sryzdn
- · Replies 3 ·
Graduate Does space quantise at the Planck length?
- michojek
- · Replies 2 ·
Graduate Schrodinger's Cat and looking in the box.
- GoodShow
- · Replies 14 ·
Graduate Time until spontaneous emission in a QHO
- snoopies622
- · Replies 3 ·
Graduate Does quantum field fills every single piece of the universe?
- No-where-man
- · Replies 5 ·
Graduate Incomplete collapse of wavefunction
- hilbert2
- · Replies 6 ·
Graduate Why should the quantum number m be less than equal to l.
- sanalsprasad
- · Replies 2 ·
Graduate Physical quantities versus wave function?
- wasi-uz-zaman
- · Replies 4 ·
Graduate Why are dynamical variables with the same algebraic structure identified?
- Nixom
- · Replies 9 ·
Graduate Bosons: What Do They Do and How Do They Act?
- RickBman
- · Replies 6 ·
Graduate Do all masses show wave-particle duality near light speed?
- nil1996
- · Replies 4 ·
Graduate Wave-Particle Duality: Double & Single Slit Experiments
- Mikeal
- · Replies 23 ·
Graduate I am very intrigued by the theory of quantum physics
- intphysicsnoob
- · Replies 9 ·
Graduate Is Quantum Brownian Motion Linked to Virtual Particle Frequencies?
- HakimPhilo
- · Replies 8 ·
Graduate How does quantum computing work?
- Vacrin
- · Replies 5 ·
Graduate Why is (1/2,1/2) the vector representation?
- Mesmerized
- · Replies 8 ·
Graduate Error in perturbation series question
- AxiomOfChoice
- · Replies 2 ·
Graduate Density and massive particles with 0 size
- filegraphy
- · Replies 2 ·
Graduate Why is there a small variation in the spectrum of the same element?
- hav0c
- · Replies 1 ·
Graduate Where is a Photon? Understanding Light and Momentum
- wotanub
- · Replies 4 ·
Undergrad Ionization Energy QNS - Get Help Now!
- ohh
- · Replies 3 ·
Graduate What is the frequency spectrum for a single photon?
- phys12345
- · Replies 13 ·
Graduate The meaning of double slit experiment
- RickBman
- · Replies 5 ·
Graduate QM: Clarifying Pauli Exclusion Principle, State of System
- Maybe_Memorie
- · Replies 2 ·
Graduate Condition for completeness of eigen vectors of an operator
- Ravi Mohan
- · Replies 19 ·
Graduate Why does physics change along the RG trajectory if physical quantities are μ-independent?
- anthony2005
- · Replies 1 ·
Graduate Why do we need complex numbers while normalizing the wave function?
- Lasha
- · Replies 1 ·
Graduate Are There Only 4 Bell States According to Wikipedia's Definition?
- naima
- · Replies 2 ·
Graduate Action a distance, collapse and relativity
- StarsRuler
- · Replies 21 ·
Graduate A little puzzled about superluminality
- phys12345
- · Replies 4 ·
Graduate Entanglement between particles that did not coexist (at the same time)
- San K
- · Replies 1 ·
Graduate Gravity as a pushing (i.e., not pulling) force?
- Curiousphy
- · Replies 1 ·
Graduate Questions about fundamental concepts
- V0ODO0CH1LD
- · Replies 7 ·
Graduate Reconciling quarks and the uncertainty principle
- NLB
- · Replies 17 ·
Graduate Difference between QED and QCD vacuum
- dev70
- · Replies 10 ·
Graduate QFT newbie-creation of particle and anti-particle
- rsaad
- · Replies 2 ·
Graduate Simple quantum entanglement qustion
- simkhovich
- · Replies 4 ·
Graduate Why do hidden variables imply linear correlation in Bell's theorem?
- San K
- · Replies 428 ·
Graduate Why are interacting states necessarily entangled?
- metroplex021
- · Replies 4 ·
Graduate Why Does E/w Equal 2*L for Photons and Electrons?
- msumm21
- · Replies 5 ·
Undergrad Can we find Eigenvalues for simultaneous equation?
- wasi-uz-zaman
- · Replies 3 ·
Graduate Correlation function of damped harmonic oscillator
- rbwang1225
- · Replies 1 ·
Graduate Magnetic Resonant Imaging Mechanics
- stevmg
- · Replies 1 ·
Undergrad Quantum Mechanics 100 year anniversary
- Clayjay
- · Replies 3 ·
Graduate What does the word action mean in quantum physics?
- cronopio
- · Replies 14 ·
Graduate Is the Reduced Spin State of an Entangled Particle an Improper Mixture?
- metroplex021
- · Replies 2 ·
Graduate Multiplication between vector and vector operator
- LagrangeEuler
- · Replies 2 ·
Graduate Need QFT Book or Online Course?
- LarryS
- · Replies 1 ·
Graduate A quantum particle which is almost at rest but whose position is rando
- rajesh_d
- · Replies 1 ·
Graduate Unitary spacetime translation operator
- omephy
- · Replies 2 ·
Graduate Is tunnelling from nothing a transition?
- slatts
- · Replies 2 ·
Graduate Field Emission from Metals: What is the Truth?
- grandmessage
- · Replies 3 ·
Graduate Nature of the force between 2 protons when sharing an electron.
- FredericGos
- · Replies 3 ·
Undergrad What happens to the energy of an electron after it tunnels through a barrier?
- omiros
- · Replies 9 ·
Graduate Do the units of a wave function vary or are they joules?
- qsefthuko66
- · Replies 11 ·
Graduate Are all divergences in quantum field theory logarithmic?
- geoduck
- · Replies 1 ·
Graduate Does a single boost change the spin orientation?
- Feynlee
- · Replies 16 ·