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.
Threads
Graduate Wavefunction solution to the Schrödinger Wave Equation for a H atom
- Horseb0x
- · Replies 2 ·
Undergrad The 6 hydrogen spectral line series'
- Horseb0x
- · Replies 4 ·
Graduate Wave Function mathematical vs real
- daezy
- · Replies 20 ·
Undergrad Light Momentum: How Can Light Have Momentum if its Speed is Constant?
- paddys09
- · Replies 3 ·
Graduate Do Virtual Particles Travel Faster Than Light and Violate Causality?
- Dynamic Sauce
- · Replies 3 ·
Graduate Finite and infinite cross sections
- The_Duck
- · Replies 5 ·
Graduate A mathematical issue raised from perturbation theory
- kof9595995
- · Replies 6 ·
Undergrad Do Other Nature Waves Exhibit Particle Behavior?
- cosmicraj
- · Replies 1 ·
Graduate Physical system for this two level Hamiltonian?
- Peeter
- · Replies 2 ·
Undergrad Quantum, photon, wavelength relationship
- Pierre007080
- · Replies 25 ·
Graduate Interacting QFT - construction of states
- paweld
- · Replies 4 ·
Graduate 2d Schrodinger equation - numerical solutions
- diegzumillo
- · Replies 3 ·
Undergrad What is wave-particle duality and how does it apply to electrons?
- Godwin Kessy
- · Replies 39 ·
Graduate Spin behavior in entangled electron pair
- daezy
- · Replies 2 ·
Graduate What is the Quantum Defect and Its Relation to Energy Levels in Hydrogen?
- spaghetti3451
- · Replies 4 ·
Graduate Uncertainty Principle: Misconceptions & Justifications
- tommy01
- · Replies 13 ·
Graduate Particles, waves or none of the above?
- TrickyDicky
- · Replies 12 ·
Graduate Lagrangian, scalar or pseudo-scalar?
- salparadise
- · Replies 1 ·
Graduate Parity dependence on the orbital quantum number (l)
- soccer_dude13
- · Replies 1 ·
Graduate No Definite Properties Before Measurement
- daezy
- · Replies 2 ·
Undergrad In the double slit experiment - what exactly is the measuring device?
- Edi
- · Replies 6 ·
High School Behaviour of photons in a 'sealed room'
- NeilWallace
- · Replies 9 ·
Graduate Doubt regarding Planck's Quantum Theory
- Sopandev
- · Replies 11 ·
Graduate Are virtual particles really there?
- wangyi
- · Replies 250 ·
Graduate Is modelling REALLY impossible in quantum mechanics?
- ZuzaMagda
- · Replies 11 ·
Graduate The Uncertainty of Particle Positions and its Effect on Probability Densities
- mrspeedybob
- · Replies 8 ·
Graduate QM Measurement Problem: Expectation Value of Lz
- y.moghadamnia
- · Replies 2 ·
Graduate Triplet states in quantum dots
- McKendrigo
- · Replies 1 ·
Graduate What is meant by singlet and triplet state of an electron system?
- saravanan13
- · Replies 11 ·
Graduate Information: finite or infinite?
- gluefish
- · Replies 1 ·
Graduate Why do SHM solutions have no imaginary values?
- AdrianMay
- · Replies 5 ·
Graduate How Do Absorption/Emission Lines Relate to Black Body Radiation?
- Drakkith
- · Replies 8 ·
Graduate What is the origin of subatomic forces?
- NeilWallace
- · Replies 7 ·
Graduate Is the Path Integral Formulation of Quantum Mechanics Violating the Speed Limit?
- ahmedcoe
- · Replies 18 ·
Undergrad Quantum Physics Basics: An Overview
- physicsnoob12
- · Replies 13 ·
Graduate Breaking down the wave function
- -=Red=-
- · Replies 6 ·
Graduate Throwing a tennis ball through a wall
- playmesumch00ns
- · Replies 97 ·
Graduate Step operators for harmonic oscillator
- TorKjellsson
- · Replies 2 ·
Graduate Massless Dirac equation and graphene
- Theo1
- · Replies 6 ·
Graduate Help a Quantum Noob with the Wavefunction Collapse?
- Meddle
- · Replies 3 ·
Graduate The generator of Galilean boosts
- Kirjava
- · Replies 11 ·
Undergrad The Origin of the Universe: Scientific Theory or Hypothesis?
- revo74
- · Replies 10 ·
Graduate Infinite well with two regions
- soothsayer
- · Replies 2 ·
Graduate A question about perturbation series inversion
- zetafunction
- · Replies 1 ·
Graduate Counting Distinct Diagrams in Scalar Field Theory
- whynothis
- · Replies 2 ·
Graduate Relativistic Quantum Mechanics
- Funzies
- · Replies 5 ·
Graduate A general Question about Gravity and Quantum Physics
- i_am_a_newbie
- · Replies 4 ·
Graduate Stimulated photons direction: book suggestion.
- provolus
- · Replies 13 ·
Graduate Tunneling: Can a Particle Appear in the Barrier?
- nonequilibrium
- · Replies 16 ·
Graduate Is J_z|0> equal to zero in QFT for spinor field?
- Heirot
- · Replies 22 ·
Graduate Could Inter-Dimensional Interference Explain Dark Matter and Energy?
- h1ghf1ve
- · Replies 2 ·
Graduate Is an Electron Truly a Point Particle Without Size?
- NGC_224
- · Replies 1 ·
Graduate Spin-wave approximation - bosonic operator question
- barnflakes
- · Replies 4 ·
Graduate What is the actual shape of a photon and how can it be measured directly?
- oldphysicist
- · Replies 14 ·
Graduate Is there a link between non-locality and non-linearity?
- cryptist
- · Replies 12 ·
Graduate Is MWI Compatible with a Deterministic Interpretation of Decoherence?
- kof9595995
- · Replies 7 ·
Graduate Ground state wavefunction real?
- krishna mohan
- · Replies 5 ·
Undergrad Question on Passage in Six Easy Pieces
- LarryOnline
- · Replies 5 ·
Graduate Representing a vector in terms of eigenkets in a continuos basis
- FedEx
- · Replies 8 ·
Graduate Mass Uncertainty: Position, Velocity & Mass
- soothsayer
- · Replies 3 ·
Graduate Sum of Histories Simultaneous Paths
- PhanthomJay
- · Replies 3 ·
Graduate Second route to a relativistic quantum theory
- Orbb
- · Replies 10 ·
Graduate Can we demontrate the convergence of perturbation quantum field theory?
- ndung200790
- · Replies 5 ·
Graduate Constructing a Pseudo-Quantum Computer
- captainhampto
- · Replies 1 ·
Graduate Quantum fluctuations in a vacuum
- p764rds
- · Replies 1 ·
Graduate How does non-commutativity emerge from path integral?
- kof9595995
- · Replies 2 ·
Graduate Irreducible representations and elementary particles
- cbetanco
- · Replies 15 ·
Graduate Does the poincare conjecture disprove the shape of strings in string theory
- clearwater304
- · Replies 2 ·
Graduate Noether's theorem: quantum version
- lalbatros
- · Replies 5 ·
Graduate Wave/particle duality - electrons and photons
- namewills
- · Replies 12 ·
Graduate Quantum Confusion: Philosophical Assumptions Behind Mechanics
- wittgenstein
- · Replies 65 ·
Graduate Is quantum mechanics an understood theory?
- scope
- · Replies 7 ·
Graduate Discover Magazine Article Backward Causality
- YLW
- · Replies 10 ·
Graduate Bosonic operators and fourier transformation.
- barnflakes
- · Replies 3 ·
Graduate Question about Constructing a Simple Quantum Computer
- captainhampto
- · Replies 1 ·
Undergrad Help with understanding dual nature of electron.
- PrincePhoenix
- · Replies 12 ·
Graduate Why do people even teach quantum mechanics without braket notation?
- Simfish
- · Replies 16 ·
Graduate Maximum distance of quantum tunneling using an STM
- The_Thinker
- · Replies 8 ·
Graduate Quantum effects in a single-slit experiment
- Uhtred
- · Replies 13 ·
Graduate Can Light Cones Determine the Absolute Sequence of Quantum Measurements?
- thenewmans
- · Replies 1 ·
Graduate Concerning the electromagnetic capacity for an electron
- Kidphysics
- · Replies 8 ·
Graduate Measurement disturbance - double slit
- namewills
- · Replies 7 ·
Graduate Spin 3/2 fields & Rarita-Schwinger
- gazebo_dude
- · Replies 1 ·
Graduate Do All Gauge Fields Intrinsically Contribute to the Lagrangian?
- Living_Dog
- · Replies 5 ·
Graduate How Is the Natural Linewidth of a Laser Determined?
- komalpahwa65
- · Replies 1 ·
Graduate Massive vector boson propagator - Definition
- mchouza
- · Replies 2 ·
Graduate Question about the Stern-Gerlach Experiment
- captainhampto
- · Replies 3 ·
Undergrad What is the source of light emitted from combustion reactions?
- Infrasound
- · Replies 3 ·
Graduate Can light be considered as information only?
- p764rds
- · Replies 1 ·
Graduate Are probabilities for Eigen Vectors of Hamiltonians unaffected as time evolves?
- ask_LXXXVI
- · Replies 10 ·
Graduate How one can deduce the existence of antiparticles
- tommy01
- · Replies 13 ·
Graduate Is information ALWAYS conserved in quantum mechanics?
- zeromodz
- · Replies 1 ·
Graduate Definition of Lagrangian Density?
- LarryS
- · Replies 5 ·
Graduate Can recording the dual slit experiment affect future outcomes?
- maquick
- · Replies 3 ·
Graduate Estimating Laser Force: The Relationship Between Photon Momentum and Light Power
- azaharak
- · Replies 6 ·
Graduate Why Does the Quantum Harmonic Oscillator's Equation Yield a Gaussian Curve?
- exponent137
- · Replies 4 ·
Graduate Significance of wave function and its sign
- vaibhavsharma
- · Replies 3 ·
Graduate Do time and space occur in quantum units?
- arcadesonfire
- · Replies 7 ·
Graduate Quantum Randomness and Free Will
- DavidGahan
- · Replies 4 ·
Graduate Quantum Tunneling and Entanglement
- MattRob
- · Replies 2 ·