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 What Causes the Unique Scattering Patterns in the Ramsauer–Townsend Effect?
- shinwolf14
- · Replies 1 ·
Graduate Normalization of the infinite square well.
- Jdraper
- · Replies 3 ·
Graduate Light polarisation and photon spin
- qtm912
- · Replies 3 ·
Graduate How Would Solving Schrodinger and Dirac Equations Analytically Impact Science?
- Big-Daddy
- · Replies 2 ·
Graduate Quantum Entanglement and extra dimensions?
- somedudeonline
- · Replies 10 ·
Graduate EPR Paradox Confusion: Understanding the Violation of Locality and Uncertainty
- dsdsuster
- · Replies 3 ·
Graduate Uncertainty and entanglement relationship
- wmikewells
- · Replies 12 ·
Graduate Rules for transforming operators
- aaaa202
- · Replies 3 ·
Graduate How to select the good basis for the special Hamiltonian?
- hokhani
- · Replies 1 ·
Graduate Unsimultaneity and quantum physics
- exponent137
- · Replies 57 ·
Graduate Why does energy propagate outwards?
- Jilang
- · Replies 12 ·
Graduate Quantum erase explained with waves
- DParlevliet
- · Replies 79 ·
Graduate Can heisenberg uncertainty principle be beaten by fast measurements?
- htyj6g9jv1ev6
- · Replies 8 ·
Graduate Why do we know the particle/quantum field theory is phys of symmetries
- ndung200790
- · Replies 6 ·
Graduate Quantum Mechanics: Nucleon Bound Energies
- evamaster
- · Replies 4 ·
Graduate From noether theorem to Laplace-runge-lenz vector
- wdlang
- · Replies 3 ·
Graduate Why Do Fermion and Boson Operators Commute?
- aaaa202
- · Replies 2 ·
Graduate Is scalar in adjoint representation always real
- karlzr
- · Replies 1 ·
Graduate Common Eigenstates: Definition & Meaning
- aaaa202
- · Replies 7 ·
Graduate Does quantum mechanics need a conscious observer?
- atyy
- · Replies 28 ·
Graduate Does the Dirac ground state of the H atom have an electron current?
- rawbradford
- · Replies 2 ·
Graduate The elementary particles behave both like particles and like waves
- lightlamb
- · Replies 8 ·
Graduate Boltzmann vs. Gibbs entropy, negative energy
- tom.stoer
- · Replies 30 ·
Graduate I don't understand <u|A|v> notation
- JPMPhysics
- · Replies 4 ·
Graduate How would you interpret experiments if you didn't know the theory?
- Demystifier
- · Replies 4 ·
Graduate Why don't we see quantum weirdness in everyday world?
- tarekatpf
- · Replies 58 ·
Undergrad Gram-Schmidt Procedure: Step 2 - Calculating Inner Product
- iScience
- · Replies 1 ·
Graduate What exactly is meant by a phase in Quantum Mechanics?
- ASGTech
- · Replies 4 ·
Graduate Where Is the Two-Loop Correction to g?
- dextercioby
- · Replies 3 ·
Graduate Understanding the Degeneracy Discriminant in Classical and Quantum Regimes
- hokhani
- · Replies 1 ·
Graduate What is the significance of complex conjugates in Bra-ket notation?
- iScience
- · Replies 7 ·
Graduate How to Measure the Mapped Phase in Ramsey Interferometry
- Verdict
- · Replies 3 ·
Graduate Question about Density of states
- Shan K
- · Replies 3 ·
Graduate Conceptual question of many particle quantum systems and state vectors
- "Don't panic!"
- · Replies 17 ·
Graduate Density of states for fermions and bosons
- hokhani
- · Replies 3 ·
Graduate Translation Invariant: Seeing it Intuitively & Mathematically
- aaaa202
- · Replies 5 ·
Graduate How does particle detection affect a coherent state?
- snoopies622
- · Replies 3 ·
Graduate Can Resonant Transmission happen when U > E?
- PsychonautQQ
- · Replies 2 ·
Graduate First order in time=> time cannot go backwards ?
- pantheid
- · Replies 5 ·
Graduate Some Queries about Eigenvalues and vectors
- Shan K
- · Replies 22 ·
Graduate Double-slit experiment and watching the electrons
- forcefield
- · Replies 33 ·
Graduate Proof that no non-local variable can exist ?
- jk22
- · Replies 5 ·
Graduate Is every observable the generator of a symmetry?
- EventHorizon91
- · Replies 19 ·
Graduate How Does Infinite Freedom Affect Quantum Field Theory?
- wphysics
- · Replies 1 ·
Graduate Is Uncertainty intrinsic property or a consequence of measurement ?
- physics_jest
- · Replies 31 ·
Graduate How to get mean occupation numbers by Grand partition function?
- hokhani
- · Replies 2 ·
Graduate Physics behind quantum computer
- Crazymechanic
- · Replies 5 ·
Graduate Special Entanglement: Particles Reacting to Themselves
- alvin51015
- · Replies 1 ·
Graduate Phase space and phase angles in a Quantum picture.
- Hazzattack
- · Replies 7 ·
Graduate Determining how to find the 2-d hilbert space from fusing ising anyons
- Shinn497
- · Replies 1 ·
Graduate How Does Feynman Explain Reflection in Light and Time?
- Saw
- · Replies 3 ·
Graduate Boole vs. Bell - the latest paper of De Raedt et al
- harrylin
- · Replies 197 ·
Graduate Entanglement Swapping and FTL Communication
- matrixrising
- · Replies 63 ·
Graduate Some basic derivations need improvement
- devang2
- · Replies 22 ·
Graduate Can a Photon be Vibrationally Tuned with Sound?
- DocStringer
- · Replies 1 ·
Graduate Separability of vibrational and rotational motion for diatomics
- tomothy
- · Replies 3 ·
Graduate Fermionic creation and annihilation
- Abigale
- · Replies 2 ·
Graduate Unbounded Hamiltonian leading to finite ground state
- geoduck
- · Replies 3 ·
Graduate Does Bell's Theorem Disprove Quantum Mechanics?
- jk22
- · Replies 6 ·
Graduate How are One-Dimensional Numbers Useful (Coupling Constants)
- TheDemx27
- · Replies 1 ·
Graduate Slit experiment follow up experimentation
- Ryder S
- · Replies 24 ·
Graduate Double Slit Experiment, Testing the Test
- Wade888
- · Replies 5 ·
Graduate What causes electrons to move in wave form?
- John Light
- · Replies 11 ·
Graduate Photon Amplitude: Is It Right or Wrong?
- jldibble
- · Replies 6 ·
Graduate Spinning Particles of 1/2 Integer Spin: Explained
- Freddy86
- · Replies 16 ·
Graduate Magnetic quantum number and spin
- Freddy86
- · Replies 3 ·
Graduate Quantum Physics take on Free-will
- garyjm68
- · Replies 1 ·
Graduate Bound state of the delta function potential.
- siddharth5129
- · Replies 2 ·
Graduate Derivation of reflection/transmission coefficients
- Delta Kilo
- · Replies 1 ·
Graduate Ballentine on the quantum Zeno paradox
- Demystifier
- · Replies 53 ·
Graduate Zee's QFT book: equal time propagator
- geoduck
- · Replies 4 ·
Graduate Double Slit Exp: Electron 1 at a Time, Detector Not Detecting
- lnsanity
- · Replies 4 ·
Graduate A question re. 'single-particle' states
- "Don't panic!"
- · Replies 6 ·
Graduate Is There a Mistake in the Spin Quantum Paradox Calculation?
- jk22
- · Replies 1 ·
Graduate Feynman propagator and particle uniqueness
- johne1618
- · Replies 2 ·
Graduate What is the Lagrangian of interaction of photon and spin zero scalar?
- ndung200790
- · Replies 3 ·
Graduate Photon vs other fundamental particles - decoherence
- San K
- · Replies 4 ·
Graduate 'Relativistic Quantum Chemistry' - Say whut?
- bodykey
- · Replies 5 ·
Graduate Understanding Electron Spin and its Effect on Protons
- harjot singh
- · Replies 38 ·
Graduate Can atoms/ ions behave quantum mechanically at biofriendly temperature
- tarekatpf
- · Replies 9 ·
Graduate Can a Cup of Water Hold Infinite Quantum Worlds?
- kye
- · Replies 13 ·
Graduate Decoherence and Determinism: Understanding the Role of Randomness in Proper Mix
- kye
- · Replies 21 ·
Graduate Coordinates and casimir effect
- epislon58
- · Replies 2 ·
Graduate Geometry of the atomic structure
- res3210
- · Replies 4 ·
Graduate Why Does the Stern-Gerlach Experiment Only Have a Gradient in the Z Direction?
- PsychonautQQ
- · Replies 1 ·
High School Photon Collisions: Do They Bounce or Pass Through?
- ryanuser
- · Replies 15 ·
Graduate Is Max Planck law true for all electromagnetic waves?
- wolvekampp
- · Replies 4 ·
Graduate Is schwarzschild radius, where the whormholes could be made?
- ryanuser
- · Replies 3 ·
Graduate Macro Superposition: Does Size Matter?
- batmanandjoker
- · Replies 68 ·
Graduate What makes spin different from classical angular momentum and magnetic moment?
- zrek
- · Replies 2 ·
Graduate Timing in entanglement investigations
- Dadface
- · Replies 16 ·
Graduate Quantum Physics and Lack of Measurement
- michojek
- · Replies 5 ·
Graduate Quantum tunnelling - what is real?
- Jilang
- · Replies 40 ·
Graduate Understanding Joos Equations and Decoherence in Quantum Mechanics
- kye
- · Replies 5 ·
Graduate The jewel found in Quantum mechanics?
- eboy32
- · Replies 19 ·
Graduate Gravity - a non-physical entity
- vivekfw66
- · Replies 16 ·
Graduate How Is the Particle Density Operator Defined?
- aaaa202
- · Replies 3 ·
Graduate How does the theory of general relativity explain gravity?
- San K
- · Replies 1 ·
Graduate Question on derivatives of Hermitian conjugate scalar fields
- "Don't panic!"
- · Replies 4 ·
Graduate Questioning assumptions behind Bell's and related theorems
- bohm2
- · Replies 82 ·