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 Why isn't momentum a function of position?
- lugita15
- · Replies 69 ·
Graduate Why shall Quantum Mechanics accept Relativity?
- dpa
- · Replies 24 ·
Graduate Schrodinger equation of particle in box
- R-ckay
- · Replies 1 ·
Graduate Feynman diagrams for spin 1/2 particles
- Chopin
- · Replies 2 ·
Graduate How Does Entangled Photon Behavior Challenge Local Realism?
- StevieTNZ
- · Replies 8 ·
Graduate Advanced undergrad/grad book for classical mechanics as macro limit of QM
- Einstein Mcfly
- · Replies 1 ·
Graduate Why we only consider ''group'' symmetry but not general symmetry?
- ndung200790
- · Replies 29 ·
Graduate How did Heisenberg derive his famous principle?
- Michio Cuckoo
- · Replies 13 ·
Graduate What Happens to the Momentum Operator as Planck's Constant Approaches Zero?
- the_pulp
- · Replies 2 ·
Graduate Theory of Everything or Troll?
- slayerjacket
- · Replies 3 ·
Undergrad Why Don't Electrons Spin Into the Center of the Nucleus?
- miniradman
- · Replies 2 ·
Graduate Why do vector spaces form the foundation of quantum mechanics?
- genericusrnme
- · Replies 1 ·
Undergrad What really causes electromagnetic induction/ the motor effect?
- henpen
- · Replies 2 ·
Graduate Axiomatic derivation of [X,P]?
- Gerenuk
- · Replies 23 ·
Graduate When is not necesary to do surface ordering in the non-Abelian Stokes theorem?
- andresB
- · Replies 1 ·
Graduate Calculating Statistical Operator $\hat{\rho}$
- matematikuvol
- · Replies 3 ·
Graduate How could a graviton mediate gravity at places such as a black hole?
- RagingHadron
- · Replies 6 ·
Graduate Delayed Choice Quantum Eraser - double-photon explanation
- jwalker
- · Replies 33 ·
Graduate First, second and third quantization formalisms
- dpa
- · Replies 3 ·
Graduate Does antimatter go back in time?
- lmoh
- · Replies 7 ·
Graduate Photon's Probability of Passing Through Polaroid
- eren.kizildag
- · Replies 1 ·
Graduate Clebsch Gordon coefficients for three spins
- sa_max
- · Replies 1 ·
Graduate Radial probability distribution (rpd)
- brainyman89
- · Replies 3 ·
Undergrad What is the difference between Compton and Rayleigh scattering?
- mycotheology
- · Replies 1 ·
Graduate Conceptual question from Atomic Structure
- dreamz25
- · Replies 2 ·
Graduate Is there a quantum theory of magnetism?
- henpen
- · Replies 15 ·
Graduate Application of Quantum mechanics
- sciboudy
- · Replies 3 ·
Graduate Is space a thing or a relationship between existents?
- steve watson
- · Replies 5 ·
Graduate How to deduce the units of hw?
- cashimingo
- · Replies 8 ·
Undergrad Does creating matter from radiation automatically produce antimatter?
- Almogi
- · Replies 2 ·
Graduate Must photons B and Y lack definite polarization for entanglement swapping?
- StevieTNZ
- · Replies 21 ·
Graduate Infinite square well with finite potential energy inside
- Fastman99
- · Replies 12 ·
Ncaa march madness and quantum mechanics
- mathwonk
- · Replies 1 ·
Graduate Measuring orbital angular momentum
- unitaryTform
- · Replies 2 ·
Graduate How does the length of a 2D conductor affect the transverse Hall resistance?
- siyuphysic
- · Replies 1 ·
Graduate Does entanglement describe continuity at the micro level?
- negativzero
- · Replies 1 ·
Graduate How Does Hermitian Property Lead to \langle A^2 \rangle in Quantum Mechanics?
- spaghetti3451
- · Replies 2 ·
Graduate Disproving Heisenburg's Uncertanty Principle
- Usererror41
- · Replies 21 ·
Graduate How spinor vector envolves in describing the atom
- sncum
- · Replies 6 ·
Graduate Decomposing direct products of rotation group representations
- AlexChandler
- · Replies 7 ·
Graduate Pauli's exclusion principle and quantum entanglement
- San K
- · Replies 3 ·
Graduate Quantum physics computer program simulations
- Edgewood11
- · Replies 1 ·
Graduate Electron gas and Pauli principle
- hokhani
- · Replies 18 ·
Graduate Were There Ever Empirical Reasons to Bring Human Consciousness into QM?
- jon4444
- · Replies 44 ·
Graduate Schrödinger's cat, pure or mixed state?
- Khashishi
- · Replies 1 ·
Graduate Continuity equation equalling a complex number
- Darkmisc
- · Replies 1 ·
Undergrad What is a Hermitian operator?
- sm09
- · Replies 2 ·
Graduate Does Non-Commutativity Explain Quantum Mechanics' Core Principles?
- mysearch
- · Replies 1 ·
Graduate What is oscillating if particles behave as waves?
- tomothy
- · Replies 7 ·
Graduate Would traveling faster than the speed of light solve the entanglement issue?
- Robleaver
- · Replies 5 ·
Graduate QM and Relativity: Can They Coexist in the Explanation of Gravity?
- questionpost
- · Replies 2 ·
Graduate Helium cation collision and transition energy calculation
- caharris10
- · Replies 2 ·
Graduate Two separate renormalization group equations?
- geoduck
- · Replies 1 ·
Graduate Spin 1/2 Correlation: Chance of Measuring Spin Down
- gespex
- · Replies 6 ·
Graduate Dirac Delta function as a Fourier transform
- andrewkirk
- · Replies 4 ·
Graduate Equations that arise when General Relativity and Quantum Mechanics are merged.
- goodfellow
- · Replies 7 ·
High School What is charge? i do not want to hear that it is of two kind
- nouveau_riche
- · Replies 6 ·
Graduate Wave function collapse mathematics for beginners
- Lengalicious
- · Replies 1 ·
Graduate Finding coefficients c and d in a superposition of particle-in-a-box states
- SoggyBottoms
- · Replies 1 ·
Graduate Solving a classical problem using quantum physics
- vishal007win
- · Replies 2 ·
Graduate Proving the multiverse theory through partial differential equations
- a.bratton95
- · Replies 1 ·
Graduate QM and Classical System Coupled
- Joschua_S
- · Replies 15 ·
Undergrad How did they measure the charge of electron
- Boody
- · Replies 4 ·
Graduate How to normalize wave functions in QFT? such as \lambda \phi 4 theory?
- mings6
- · Replies 4 ·
Graduate Quantum entanglement of spin along multiple orthogonal axes
- sergiokapone
- · Replies 4 ·
Graduate Rotational and vibrational spectroscopy
- Chemist20
- · Replies 1 ·
Graduate Wave/Particle Duality: Observing Reality Differently?
- beatlemaniacj
- · Replies 8 ·
Graduate Measurements of the second kind and unitary treatment
- deneve
- · Replies 3 ·
Graduate How does bra-ket algebra distribute through operator terms?
- jrand26
- · Replies 2 ·
Graduate What is the difference between neutrinos and anti-neutrinos?
- alvarogz
- · Replies 2 ·
Graduate Do expectation values vary with time?
- Darkmisc
- · Replies 4 ·
Graduate Stationary electron broglie wavelength
- roboticmehdi
- · Replies 10 ·
Graduate What is the meaning of the imaginary part of the plane wave function
- Chuck88
- · Replies 7 ·
Graduate Relations between classical and quantum time-evolution of fields
- kof9595995
- · Replies 27 ·
Undergrad Why Does Electron Energy Have Negative Values?
- quietrain
- · Replies 7 ·
Undergrad Planck's Constant, what does it mean?
- miniradman
- · Replies 5 ·
Graduate Why do Majorana particles occur?
- Positralino
- · Replies 5 ·
Graduate Do SUSY particles have antiparticles counterparts?
- alvarogz
- · Replies 2 ·
Graduate Interference terms in particle spin
- deneve
- · Replies 1 ·
Graduate What are quantum and classical correlations?
- yashar
- · Replies 2 ·
Graduate What math is needed to understand Schrödinger's equation?
- bobsmith76
- · Replies 3 ·
Graduate Why superposition differs from unknown spin in entanglement
- Swimmingly!
- · Replies 12 ·
Graduate Eigenvectors, spinors, states, values
- SoggyBottoms
- · Replies 5 ·
Graduate HOW can entanglement be observed experimentally?
- dpa
- · Replies 2 ·
Graduate Calculating the expectation of a quantity using wavefunctions
- spaghetti3451
- · Replies 2 ·
Graduate Does cosmic expansion stretch Planck-length blocks or create new ones?
- jeebs
- · Replies 8 ·
Graduate Solving schrodinger, reflection coefficient
- SoggyBottoms
- · Replies 4 ·
Graduate COMPLETE Derivation of Heisenberg and Hubbard Models?
- maverick_starstrider
- · Replies 1 ·
Graduate What is the difference between a wavefunction and a state in quantum mechanics?
- chill_factor
- · Replies 11 ·
Undergrad Can Someone Explain the Ac Stark Shift in Layman's Terms
- Johnleprekan
- · Replies 1 ·
Graduate I am looking for an explanation of heavy electrons
- ronwmarshall
- · Replies 6 ·
Graduate Bosons and Fermions in a rigorous QFT
- kof9595995
- · Replies 71 ·
Graduate How does quantum chaos theory explain classical chaos emerging from quantum systems?
- wuliheron
- · Replies 2 ·
Graduate How can particles move if the Dirac sea fills all space with infinite mass?
- Trinitiet
- · Replies 10 ·
Graduate Can Quantum Mechanics Make Teleportation Believable in Fiction?
- Quentin Nokov
- · Replies 8 ·
Graduate Sackur-Tetrode - why Planck's constant?
- Rap
- · Replies 18 ·
Graduate Delayed Choice Quantum Eraser and other oddities + their meaning
- fellupahill
- · Replies 1 ·
Graduate My diabolical scheme for Quantum Immortality
- physics.x2010
- · Replies 18 ·
Graduate Can torque-free precession of an asymmetric rotor be described quantum mechanically?
- espen180
- · Replies 4 ·
Graduate Construction of Hamiltonian for interacting optical fields
- Api
- · Replies 2 ·