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 Standard Model Lagrange Density, 2D vectors, Lattice Theory.
- Spinnor
- · Replies 3 ·
Graduate Understanding Quantum Qubits: Up, Down, and Beyond
- Alexandr
- · Replies 1 ·
Graduate Relativistic corrections to CHSH vs. Preferred frame
- DrChinese
- · Replies 3 ·
Graduate Can the Quantum Zeno Effect be solely attributed to decoherence?
- imiyakawa
- · Replies 5 ·
Graduate Is it Possible to Measure Q or P Without Determining x1 and x2 or p1 and p2?
- clacker
- · Replies 5 ·
Graduate RD Thought Experement (wikiversity article)
- dmtr
- · Replies 2 ·
Undergrad What is the meaning of En^+ or En^-
- devoured_elysium
- · Replies 4 ·
Graduate A seeming contrdiction in deriving wave function for delta function potential
- kof9595995
- · Replies 2 ·
Graduate Continuity equation for Schrodinger equation with minimal coupling
- nembokid
- · Replies 5 ·
Graduate Could the cosmic quantum eraser be used for FTL communication?
- A-wal
- · Replies 8 ·
Graduate Density values for e-, p+ and n
- delplace
- · Replies 1 ·
Graduate Where does the sinusoidal form of Schrödinger equation solutions come from?
- pzona
- · Replies 2 ·
Graduate Does the wavefunction have a zero value anywhere?
- imiyakawa
- · Replies 6 ·
Graduate Trying to learn the uncertainty principle
- mjc456
- · Replies 2 ·
Graduate Questions for 1-D harmonic oscillators
- ray.deng83
- · Replies 3 ·
Graduate Density of a subatomic particle
- texasratt
- · Replies 1 ·
High School What is the difference between probability and probability density?
- ray.deng83
- · Replies 4 ·
Undergrad Simple Energy Levels confusion
- alexgmcm
- · Replies 3 ·
Graduate A relation between photon and electron - need discussion
- bpm_vns19
- · Replies 3 ·
Graduate What does it mean to normalize a non-normalized wavefuction as in
- physixchic
- · Replies 2 ·
Graduate Particle in a potential Well interacts with the wall without touching it?
- I_am_learning
- · Replies 39 ·
Graduate Lack of Relativistic Consideration
- pzona
- · Replies 8 ·
Graduate What Are the Selection Rules for the Zeeman Effect?
- KFC
- · Replies 1 ·
Graduate Expectation formula in Dirac notation.
- david.makcenz
- · Replies 1 ·
Undergrad What Does 'me' Represent in This Physics Formula?
- musraupp@mac.
- · Replies 5 ·
Graduate Does the photon wavefunction represent a wave shape in space?
- gabrielh
- · Replies 2 ·
Graduate Info regarding energy density of empty space?
- FluffyFriend
- · Replies 2 ·
Graduate Non-relativistic limit of Klein Gordon (and massless limits)
- haushofer
- · Replies 3 ·
Graduate Double slit - where do they aim?
- Vdtta
- · Replies 13 ·
Graduate Derivation of Schrodingers Equation
- I_am_learning
- · Replies 17 ·
Graduate What is the formula for calculating rotation speed?
- zincshow
- · Replies 3 ·
Graduate Simple Math and quantum phyiscs 5 x 0 and e =mc2?
- spacecowboy27
- · Replies 13 ·
Graduate What Does It Mean When an Operator Has Two Normalized Eigenstates?
- Slepton
- · Replies 2 ·
Graduate Do ladder operators imply discrete eigenvalues for bounded observables?
- Unkraut
- · Replies 10 ·
Graduate Computing concurrence for a two-qubit density matrix
- coffekreizy
- · Replies 1 ·
Graduate DFT for configuration of atoms
- mrandersdk
- · Replies 2 ·
Graduate Q.M. on S^6, add potential gives Q.M. on S^3?
- Spinnor
- · Replies 1 ·
Undergrad What is Macroscopic Quantization and How Does it Affect Everyday Objects?
- pzona
- · Replies 2 ·
Graduate Breaking Down the Uncertainty Principle
- einsteinoid
- · Replies 8 ·
Graduate The modern view of decoherence: A layperson's qestion
- Galteeth
- · Replies 4 ·
Graduate Pencil tipping problem - trying to understand uncertainty
- foobster
- · Replies 2 ·
Graduate Measurement collapse as a perturbation?
- Gerenuk
- · Replies 22 ·
Graduate Does the uncertainty principle arise from measurement limitations or a fundamental law?
- GarciasMuffin
- · Replies 8 ·
Graduate Questions about Quantum state, Pauli exclusion principle and chemistry.
- PrincePhoenix
- · Replies 2 ·
Graduate How to solve the Klein Gordon Complex Field?
- maverick280857
- · Replies 36 ·
Graduate Infinite volume limit literature?
- DrFaustus
- · Replies 3 ·
Graduate Acceleration of the Photon and the shape of it's wave
- voxmagnetar
- · Replies 7 ·
Graduate TED Presentation, April 2009: Allosphere, data visualization
- rhody
- · Replies 1 ·
Graduate Casimir effect - silly question, but
- nomadreid
- · Replies 17 ·
Graduate Zero points of particle wave function?
- tuomas22
- · Replies 14 ·
Graduate What do we mean by minus energy ?
- blue bloom
- · Replies 5 ·
Graduate Particle In a finite potential well
- I_am_learning
- · Replies 10 ·
Graduate Imaginary Time and Path Integrals?
- LarryS
- · Replies 2 ·
Graduate Boundary conditions for two dimensional problems in Quantum mechanics
- PRB147
- · Replies 1 ·
Graduate Finding resources on the σ̂ matrix in the interaction picture
- Petar Mali
- · Replies 2 ·
Graduate Calculating Eigenstates and Eigenvalues of a 2D Quantum Rotor with Perturbation
- p3rry
- · Replies 6 ·
Undergrad 3 question of Ballmer experiment
- yashar
- · Replies 4 ·
Graduate Wavefunction of a 2-particle system.
- carbon9
- · Replies 16 ·
Graduate Creation and annihilation operator in quantum mechanics?
- saravanan13
- · Replies 2 ·
Graduate What is the Nature of Material Waves in Quantum Mechanics?
- I_am_learning
- · Replies 22 ·
Graduate Why Is (-i d/dx) Chosen as the Momentum Operator in Quantum Mechanics?
- RedX
- · Replies 1 ·
Graduate Wave function of Stationary State
- I_am_learning
- · Replies 16 ·
Graduate A simple QM experiment analysis question
- dmtr
- · Replies 33 ·
Undergrad Virtual Particles: How can they be responsible for attractive forces?
- peron
- · Replies 4 ·
Graduate Bose-Hubbard model explanation for beginners
- victorphy
- · Replies 5 ·
Undergrad Why does larger n give lower energy in the hydrogen atom equation?
- Jules18
- · Replies 9 ·
Graduate Why does the amplitude <p |T| p'> have the dimension of a volume?
- naima
- · Replies 6 ·
Graduate Direction of vector precession
- bluestar
- · Replies 3 ·
Graduate Boundary between deterministic reality and probabilistic reality
- Galteeth
- · Replies 20 ·
Graduate What Are the Effects of Dispersion and Uncertainty on Wave Packets?
- Amith2006
- · Replies 3 ·
Can a vulcan study quantum mechanics ?
- Monocerotis
- · Replies 11 ·
Graduate Invariance of the action under a transformation
- div curl F= 0
- · Replies 2 ·
Undergrad What are energy levels in the particle in a box model?
- Ylle
- · Replies 18 ·
Graduate Significance of Phase Factor in Quantum Mechanics Measurements
- facenian
- · Replies 3 ·
Graduate Energy and negative mass in virtual pair production and Hawking radiation
- jnorman
- · Replies 5 ·
Undergrad Difference between fluorescence and phorforescence
- DaTario
- · Replies 4 ·
Graduate A variation of the double-slit experiment-myth or did somone really do it?
- LodeRunner
- · Replies 16 ·
Graduate Continuity of Function and Derivative at boundary.
- Prologue
- · Replies 5 ·
Graduate What does a pilot wave physically consist of?
- NJV
- · Replies 35 ·
Graduate How to measure momentum of a particle experimentally
- paweld
- · Replies 1 ·
Graduate Cardinality argument in the Casimir effect
- nomadreid
- · Replies 1 ·
Graduate What is the Correct Form of the Uncertainty Principle?
- Denver Dang
- · Replies 6 ·
Graduate Can entangled electrons stay entangled across relativistic distances and times?
- imiyakawa
- · Replies 9 ·
Graduate Double Delta Potential Problem Solution
- maverick280857
- · Replies 17 ·
Graduate Proving lorentz invariance of Dirac bilinears
- GreyBadger
- · Replies 2 ·
Graduate What is the Difference Between Locality and Separability in Quantum Mechanics?
- Demystifier
- · Replies 32 ·
Graduate Variational Method: Approximating Complex Wave Functions with Real Quantities?
- YingXiao
- · Replies 7 ·
Graduate Proving commutator [x, p] = iℏ from basic axioms
- CPL.Luke
- · Replies 2 ·
Graduate Why no EOM in QFT with higher than second order derivatives in time and space?
- Phiphy
- · Replies 4 ·
Graduate What is physical significance of g factor?
- xfshi2000
- · Replies 35 ·
Graduate One question on average thermal velocity of free electron in metals
- ray.deng83
- · Replies 1 ·
Graduate Four Point Correlation function from Generating Functional
- maverick280857
- · Replies 1 ·
Graduate Quantum weirdness of photon behavior
- andar81
- · Replies 5 ·
Graduate Functional Quantization of Scalar Fields
- maverick280857
- · Replies 1 ·
Graduate Solving Bra-ket Multiplication: <n|(a-+a+)^4|n> = 5n2+5n+3
- crystalplane
- · Replies 1 ·
Graduate Understanding of the Fermion, Boson difference
- 0xDEADBEEF
- · Replies 4 ·
Graduate Is the total angular momentum operator J a spherical tensor operator?
- NewGuy
- · Replies 1 ·
High School A question about plank constant
- pixel01
- · Replies 6 ·
Graduate Algebraic (ladder) solutions in QM
- fantispug
- · Replies 2 ·
Graduate Can classical mechanics be rewritten by treating everything as a wave?
- eoghan
- · Replies 87 ·