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 Characteristics of a Potential Well that is Proportional to -1/|x|
- WoahWoah
- · Replies 4 ·
Undergrad How Did the Bohr Model Account for the Atom's Spherical Appearance?
- gianeshwar
- · Replies 10 ·
Graduate Commutation of Vector-Potential and Field-Operator
- Abigale
- · Replies 3 ·
Graduate Understanding SU(2) Adjoint Repr of Algebra
- ChrisVer
- · Replies 1 ·
Graduate Fermi-Dirac distribution for metals
- ilconformista
- · Replies 8 ·
Graduate Why does the classical world exist
- batmanandjoker
- · Replies 26 ·
Graduate Gauge Fixing in Yang-Mills gauge theory
- michael879
- · Replies 29 ·
Graduate Wheeler-Feynman absorber theory: can a lone star emit without an absorber?
- Jilang
- · Replies 3 ·
Graduate Derivative of Field-Operator and Vector-Potential
- Abigale
- · Replies 2 ·
Graduate As per Japanese physicist (Masahiro Hotta), energy teleporation is possible
- pranj5
- · Replies 136 ·
Graduate Path Superposition Vs Entanglement Superposition
- San K
- · Replies 2 ·
Graduate Can a Klyshko photon be blocked?
- .Scott
- · Replies 8 ·
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 Why does the EPR paradox involve measurements along different axes?
- 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 What does choosing common eigenstates mean for commuting operators?
- 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 Why does the degeneracy discriminant z<<1 fail at high temperature?
- 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 Defining density of states for continuous energy spectra
- 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 Why is a translation invariant Hamiltonian diagonal in momentum basis?
- 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 Why don't half-spin particles look the same after a 360-degree rotation?
- 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 Why do plane wave solutions split into left and right parts?
- 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 Is decoherence deterministic or does randomness only appear 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 Do photons bounce off each other 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 ·