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 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 Question about radiation and matter
- Almogi
- · Replies 2 ·
Graduate Entanglement Swapping: A and X Polarization Explained
- 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 Question about the use of group theory in QM
- 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 Hermitian Operator: Definition & Overview
- sm09
- · Replies 2 ·
Graduate Does Non-Commutativity Explain Quantum Mechanics' Core Principles?
- mysearch
- · Replies 1 ·
Graduate This is a nonsensical question about wavefunctions
- 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 Help with a review question please Test tomorrow
- 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 Collapse of the wave function, help understand
- Lengalicious
- · Replies 1 ·
Graduate Can Normalizing a Wave Function be Simplified Using Trig Identities?
- 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 Mastering Basic Bra-Ket Algebra: Tips and Techniques for Solving Problems
- 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 the Key Differences Between Quantum and Classical Correlation?
- yashar
- · Replies 2 ·
Graduate Unlocking Schrödinger's Equation Through Multivariable Calculus
- bobsmith76
- · Replies 3 ·
Graduate Quant.Entanglement: Comparing Superposition Spin and Unknown Spin
- 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 Question about planck lengths/quantized space and expanding space?
- 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 Can Quantum Chaos Theory Unravel the Mysteries of Biology?
- wuliheron
- · Replies 2 ·
Graduate The Limitations of the Dirac Sea in Explaining Particle Motion
- 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 Torque-Free Precession in Classical & Quantum Mechanics
- espen180
- · Replies 4 ·
Graduate Construction of Hamiltonian for interacting optical fields
- Api
- · Replies 2 ·
Graduate Technical difficulties in calculating hydrogen probabilities
- spaghetti3451
- · Replies 1 ·
Undergrad Converting Uncertainty in Millimeters to Meters for Radius Calculation
- rainstom07
- · Replies 1 ·
Graduate Understanding GHZ Entanglement
- StevieTNZ
- · Replies 11 ·
Graduate Path Cancellation: Can a Particle Come From Point A?
- StevieTNZ
- · Replies 6 ·
Graduate Are boson fields the adjoint of the fermionic field they couple to?
- a dull boy
- · Replies 3 ·
Undergrad Why world looks chaos on atomic scale but it is uniform on higher scale?
- SUROJL
- · Replies 4 ·
Graduate How Can We Understand the Hilbert Space in Quantum Field Theory?
- anthony2005
- · Replies 6 ·
Graduate What's the Verdict on "Quant-ph/9905077"?
- martinbn
- · Replies 2 ·
Graduate Writing Product States: When to Use a Sum?
- StevieTNZ
- · Replies 8 ·
Graduate Other means of quantum teleportation.
- BeanieBot
- · Replies 1 ·
Graduate How fundamental are complex numbers in quantum theory?
- Guillemet
- · Replies 11 ·
Graduate Expectation Values: Formula & Derivation
- Avatrin
- · Replies 1 ·
Graduate Is inner product a measurement in quantum computation?
- lathawarrier
- · Replies 1 ·