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.
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Graduate Struggling to Get the Same Result: Solving Schrödinger Equation
- wavemaster
- · Replies 8 ·
Graduate Quantum Interference: Is There a Size Limit?
- dt19
- · Replies 5 ·
Graduate How Can I Understand QFT in My Own Way?
- jordi
- · Replies 4 ·
Graduate Complex potential in unstable particle decay
- neutrino
- · Replies 13 ·
Graduate Can Entropy and Time Reversal Coexist with Irreversible Wavefunction Collapse?
- leonchik1976
- · Replies 4 ·
Graduate Why Does Quantum Field Theory Insist on Integral Particle Numbers?
- pellman
- · Replies 17 ·
Graduate Can Electrons Really Pop Into Existence When We Observe Them?
- azneternity
- · Replies 1 ·
Graduate What is wrong with this lagrangian
- nrqed
- · Replies 10 ·
Graduate Does time have meaning for uncollapsed wave functions?
- Rake
- · Replies 4 ·
Graduate What are the postulates of quantum physics and what do they imply?
- Zeit
- · Replies 3 ·
Graduate Does the Pauli Exclusion Principle Span Distance?
- argonurbawono
- · Replies 2 ·
Graduate Electric and Magnetic Fields due to Photon
- TriTertButoxy
- · Replies 10 ·
Graduate Is the photoelectric effect a particle phenomenum?
- Farsight
- · Replies 9 ·
Graduate Energy of the harmonic oscillator
- Repetit
- · Replies 6 ·
Graduate Where the hell did my thread go?
- brags
- · Replies 2 ·
Undergrad Trying to see light as a wave
- ComputerPsi
- · Replies 5 ·
Graduate Why does measuring position twice not give exact momentum?
- neophysique
- · Replies 24 ·
Graduate What is the normalization of photon states in QFT?
- TriTertButoxy
- · Replies 20 ·
Graduate Eigenfunctions versus wavefunctions
- resurgance2001
- · Replies 5 ·
Graduate Why Does the Unruh-Hawking Model Precisely Predict a Thermal Radiation Spectrum?
- exponent137
- · Replies 4 ·
Graduate Non-Linear Schroedinguer equation
- eljose
- · Replies 1 ·
Graduate What to do once you'v learned Quantum Physics
- bugs
- · Replies 3 ·
Graduate How does Visual Quantum Mechanics relate to Modern Physics?
- brent
- · Replies 8 ·
Graduate Atomic photon versus cavity photon
- DaTario
- · Replies 4 ·
Undergrad Balmer Lines in Quantum Physics
- doubleB
- · Replies 6 ·
Graduate How Can We Quantize the Celerity Operator in Lagrangian Mechanics?
- eljose
- · Replies 5 ·
Graduate Variatonal principles in quantum Field Theory
- eljose
- · Replies 3 ·
Undergrad How can a blue photon and a red photon be fundamentally different?
- pmerrill
- · Replies 17 ·
Graduate Why does the uncertainty principle not force nucleons out of the nucleus?
- Rabadi
- · Replies 1 ·
Graduate How can we test the holographic principle and nonlocality in quantum mechanics?
- christian_dude_27
- · Replies 267 ·
Graduate Do we really need all this funky notation?
- dimensionless
- · Replies 15 ·
Graduate Dirac Lagrangian not invariant under rotations?
- pellman
- · Replies 6 ·
Graduate An expression for the mass ?
- eljose
- · Replies 3 ·
Graduate How can a non-resonant monochromatic light induce an atomic transition?
- Abu Abdallah
- · Replies 3 ·
Graduate Does the photon has a dipole moment?
- AlphaNumeric
- · Replies 4 ·
Graduate Experimental interference of independent photons
- ZapperZ
- · Replies 3 ·
Graduate Can Anyons Be Used to Create a Topological Quantum Computer?
- daniel_i_l
- · Replies 1 ·
Graduate What is quantum physics and how do I study it?
- joori
- · Replies 5 ·
Graduate What is the meaning of the quantity c in scalar quantum field theory?
- nrqed
- · Replies 10 ·
Graduate Free/Bound Electrons and Photon absorption
- pallidin
- · Replies 2 ·
Graduate Why does the Maxwell field have infinite ground state energy?
- Leonardo Sidis
- · Replies 2 ·
High School Atomic Energy Release: How Long Does It Take?
- chromosome24
- · Replies 1 ·
Graduate What do think is photon a quanta?
- AGBROKO EJOVWOKE
- · Replies 1 ·
Graduate How to prove that d^2/dx^2 is a hermitian operator?
- alsey42147
- · Replies 8 ·
High School How Do Photons Create Different Colors of Light?
- gaurav pant
- · Replies 1 ·
Graduate Physical justification for Uncertainty principle
- loom91
- · Replies 16 ·
High School Home experiment - annhialation
- daniel_i_l
- · Replies 6 ·
Graduate Quantum Physics and Spirituality
- quddusaliquddus
- · Replies 5 ·
Graduate Is Relational Quantum Mechanics a Viable Alternative Interpretation?
- Farsight
- · Replies 9 ·
Graduate What decides the particle state?
- Dyamios
- · Replies 8 ·
Graduate Planck average energy reduce to Boltzmann energy
- War-Saw
- · Replies 2 ·
Graduate Is quantum motion discrete and what are electromagnetic waves made of?
- Helicobacter
- · Replies 7 ·
Graduate Why does charge conjugation change helicity in the Dirac spinor formula?
- snooper007
- · Replies 1 ·
Graduate How do you know that there's an electron in the hydrogen atom?
- reilly
- · Replies 19 ·
Graduate Physical significance behind [H, rho]=0
- amrahmadain
- · Replies 5 ·
Graduate Conceptual problem with perturbation theory
- eljose
- · Replies 1 ·
Graduate Distance=Planck Length * integer value?
- Harmony
- · Replies 1 ·
Graduate I think quantum state collapse is in contradiction with the storage of QBits
- FakeWings
- · Replies 3 ·
Graduate Can Schrodinger's Cat Truly Be Dead and Alive at the Same Time?
- Delzac
- · Replies 3 ·
Graduate The time-symmetry and indeterminacy of elementary processes
- El Hombre Invisible
- · Replies 4 ·
Graduate Einstein-Podolsky-Rosen (EPR) Paradox
- Mr_Mo
- · Replies 2 ·
Mastering Quantum Soccer for Beginners
- Rach3
- · Replies 2 ·
Graduate Understanding Single Particle States in Quantum Mechanics
- broegger
- · Replies 6 ·
Undergrad Is Decoding the Universe by Charles Seife sound science?
- Robert100
- · Replies 1 ·
Graduate Decoherence and the number of degrees of freedom
- hellfire
- · Replies 9 ·
Graduate Do electrons act as unobserved if a detector recording is destroyed unviewed?
- quddusaliquddus
- · Replies 3 ·
Graduate Solve 0=1 with Dirac's Equation
- George Jones
- · Replies 30 ·
Undergrad How Electric Field Is Associated With Light
- ARSHIA AIJAZ
- · Replies 2 ·
Undergrad Where Can I Learn About Atomic Orbitals and the Pauli Exclusion Principle?
- Neohaven
- · Replies 2 ·
Graduate Can Charged Particle Oscillation Be Used to Harness Energy?
- chromosome24
- · Replies 9 ·
Graduate Supercooled magnet- effects on other materials?
- khinch
- · Replies 1 ·
Graduate Are stationery states eigenstates?
- loom91
- · Replies 26 ·
Graduate What is spin and what does giromagnetic ratio mean?
- decesicum
- · Replies 2 ·
Graduate Proving Wave-Particle Duality of Light
- tennis freak
- · Replies 12 ·
Graduate What Causes the Magnetic Properties of Atoms?
- Jdo300
- · Replies 14 ·
Graduate Why does glass thickness affect partial reflection?
- pmerrill
- · Replies 2 ·
Graduate Does uncertainty principle imply non-conservation of energy?
- loom91
- · Replies 65 ·
Graduate Random Museings on quantum computeing.
- Xira
- · Replies 5 ·
Site with leading physicists' quotes on QM?
- Nereid
- · Replies 3 ·
Graduate Photon/lightwave velocity in different mediums
- echoSwe
- · Replies 15 ·
High School What is the Modulus of an Eigenvalue?
- dimensionless
- · Replies 5 ·
Graduate Why don't wave packets disperse when particles interact with targets?
- sphay
- · Replies 6 ·
High School What is energy made of?
- quantumcarl
- · Replies 36 ·
Graduate Is it Realistic to Write a Research Paper on Quantum Physics in High School?
- physicscrap
- · Replies 3 ·
Graduate Can the Double Slit Experiment Explain Faster-Than-Light Signals with Photons?
- Sumo
- · Replies 7 ·
Graduate Photoelectric effect and polarization
- vanesch
- · Replies 16 ·
Graduate Do virtual photons mediate Coulomb force at observable distances?
- freeman
- · Replies 27 ·
Undergrad Why is sq rt of -1 needed in wave equations
- gaminin gunasekera
- · Replies 2 ·
Graduate Gents: Combining Chiral Currents with Translational Invariance
- Neitrino
- · Replies 1 ·
Graduate Does observing particles in a cloud chamber collapse their wavefunctions?
- eep
- · Replies 1 ·
Graduate Advanced Quantum Theory Final: Virtual Challenge on Particle Scattering
- reilly
- · Replies 2 ·
Graduate Is the Lorentz Transformation responsible for Quantum Weirdness
- Aardwark
- · Replies 1 ·
Graduate Why Pauli's Exclusion Principle?
- TriTertButoxy
- · Replies 57 ·
Graduate Wha is quantum physics claiming?
- Sumo
- · Replies 5 ·
Graduate Do EPR Tests Require Simultaneous Measurements?
- eep
- · Replies 6 ·
Graduate Electric field operator (and the HOM dip)
- mikeu
- · Replies 1 ·
Graduate Why entangled particles can't send faster-than-light signals
- DarylC
- · Replies 29 ·
Graduate Pauli exclusion principle, fermions, bosons
- ak416
- · Replies 8 ·
Graduate Does quantum mechanics meet the 99.99995% confidence standard for discovery claims?
- Rade
- · Replies 1 ·
Graduate Unconventional View of Black Holes: Dimensionless Places of Extreme Gravity
- eggman
- · Replies 2 ·