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 How much does it cost to conduct quantum research on a large scale?
- Mohamed Sabah
- · Replies 16 ·
Graduate Does Quantum Contextuality only apply to spin?
- Jarrodmccarthy
- · Replies 5 ·
Graduate Indeterminacy of wave function
- klw289
- · Replies 5 ·
Graduate Difference between 2-point and 4-point function in QFT
- Higgsy
- · Replies 3 ·
Graduate Second Quantization vs Many-Particle QM
- stevendaryl
- · Replies 67 ·
Graduate How Does the Stern-Gerlach Experiment Illuminate the Electron Spin Problem?
- Sheldon Cooper
- · Replies 6 ·
Graduate How to find the normalization constant of Fermi-Dirac distribution function?
- akk
- · Replies 12 ·
Graduate Do Quantum Particles Jump Rather Than Move?
- cree_be_mee
- · Replies 7 ·
Graduate Can an Atom's Valence Electrons Be Used as a Radial Antenna?
- SirR3D
- · Replies 3 ·
Graduate Using Feynman rules to calculate amplitude
- Higgsy
- · Replies 4 ·
Graduate Free particle propagator - Shankar POQM Eqn. 5.1.10, p. 153
- Kostik
- · Replies 1 ·
Graduate Order of scalar interaction impact Feynman diagrams
- Higgsy
- · Replies 1 ·
Graduate Free particle propagator: Shankar equation 5.1.9 missing factor
- Kostik
- · Replies 1 ·
Graduate Is it possible to have a spin chain with both bosons and fermions interacting?
- gonadas91
- · Replies 3 ·
Graduate Normalisation of free particle wavefunction
- spaghetti3451
- · Replies 6 ·
Graduate Double slits from the particles viewpoint
- Jilang
- · Replies 2 ·
Graduate Additional quantum states of the infinite square well
- spaghetti3451
- · Replies 4 ·
Graduate Normalization constant of Fermi Dirac distribution function
- akk
- · Replies 2 ·
Undergrad What does 'observe' mean in the double slit experiment?
- nnope
- · Replies 11 ·
Graduate Violation of Bell inequalities for classical fields?
- jarekduda
- · Replies 70 ·
Graduate Particle in a well potential/energy continuity
- Sheldon Cooper
- · Replies 2 ·
Graduate Solution of Schrodinger equation in axially symmetric case
- spaghetti3451
- · Replies 1 ·
Graduate Adjoint operator in bra-ket notation
- xshadow
- · Replies 7 ·
Graduate Is Quantum mechanics internally inconsistent?
- bremsstrahlung
- · Replies 12 ·
Graduate Commuting Hamiltonian with the projection of position
- Quantum child
- · Replies 7 ·
Graduate Consciousness and the Wigner's friend problem
- bremsstrahlung
- · Replies 1 ·
Graduate What Are Some Trustable Websites about Quantum Mechanics?
- quantum.cmptr
- · Replies 7 ·
Graduate Can quantum decoherence be described as a causal interplay?
- Pleonasm
- · Replies 16 ·
Graduate PBR theorem - that the wavefunction is physically existent
- Quotidian
- · Replies 20 ·
Graduate When does the limit become quantized?
- Physics_Kid
- · Replies 6 ·
Graduate Canonical momentum for Dirac adjoint field
- nigelscott
- · Replies 4 ·
Graduate Vacuum diagrams vs. tree diagrams vs. loop diagrams
- Higgsy
- · Replies 5 ·
Graduate Atomic Spontaneous Decay in Spherical Cavity
- wasi-uz-zaman
- · Replies 5 ·
Undergrad Is There an Absolute Heat Limit and What Are the Safety Risks?
- coach950
- · Replies 1 ·
Graduate Absolute zero should be impossible
- coach950
- · Replies 2 ·
Graduate Does a charged particle trace a polygon or circle in a magnetic field?
- Sven Andersson
- · Replies 1 ·
Graduate Can quantum entanglement communication enable a telescope to photograph its own past?
- Glenstr
- · Replies 9 ·
Graduate Loophole-free Bell test with entangled photons by Zeilinger team
- DrChinese
- · Replies 58 ·
Graduate ELI5: Antiparticles in Feynman Diagrams
- Tulzz
- · Replies 1 ·
Graduate Quantum Computing presentation ideas
- dumbperson
- · Replies 3 ·
Undergrad Why do some QM books start with Polarization?
- alexis12
- · Replies 3 ·
Graduate Infinitesimal transformation of a field
- marcom
- · Replies 1 ·
Undergrad Example of a linear combination, anyone have any insights?
- Edward Hunia
- · Replies 5 ·
Graduate Plotting the Probability Density of the Coulomb Wave Function
- tomdodd4598
- · Replies 7 ·
Undergrad Is Causality Preserved in Quantum Mechanics?
- entropy1
- · Replies 62 ·
Graduate Can quantum entanglement enable superluminal communication?
- quantum.cmptr
- · Replies 13 ·
Graduate Transformations of a vector in the active viewpoint
- spaghetti3451
- · Replies 2 ·
Graduate Magnetic field of a Spin-1/2-Particle
- klpskp
- · Replies 1 ·
Graduate Mixed State Treatment: Eigenvalue Degeneracy
- jk22
- · Replies 3 ·
Insights Is Prequantum Field Theory a Valuable Area of Research?
- Urs Schreiber
- · Replies 4 ·
Graduate How do simultaneous measurements of entangled particles work?
- itoero
- · Replies 14 ·
Graduate Lorentz transformation of a scalar field
- spaghetti3451
- · Replies 4 ·
Graduate Multiple double slits with randomly switching detectors in delayed choice setup
- gjonesy
- · Replies 24 ·
Graduate Violation of Pauli's Exclusion Principle possible?
- Aliasa
- · Replies 3 ·
Graduate Dirac equation in 1+1 spacetime, resources
- Spinnor
- · Replies 1 ·
Undergrad Calculating wavelengths of light
- YamunaVargr
- · Replies 1 ·
Graduate Continuity of the wave function
- luisgml_2000
- · Replies 31 ·
Graduate Phase of coherent states and single photons
- kaje
- · Replies 13 ·
Graduate Normalised Radial Coulomb Wave Function
- tomdodd4598
- · Replies 5 ·
Graduate Quantum mechanics "not quantized"
- maka89
- · Replies 6 ·
Graduate Confusion Related to Planck Mass
- klen
- · Replies 7 ·
Graduate How Does Adding a Second Pair of Slits Affect Interference Patterns?
- Paul Howard A
- · Replies 6 ·
Graduate Proving Entanglement: Measuring Spin of Photons for Bell's Inequality
- gamow99
- · Replies 8 ·
Graduate Why does gravity not explain the Casimir Effect?
- Nick Bratcamp
- · Replies 1 ·
Graduate Any Good Sources for Learning Quantum Physics?
- Paulthevgnerd
- · Replies 9 ·
Graduate Is Quantum Mechanics Bound by the Limits of Pure Chance?
- The Adversary
- · Replies 27 ·
Graduate Understanding WKB Approximation for E-V(x)
- curious.cat
- · Replies 2 ·
Graduate What exactly is a quantum state?
- quantum.cmptr
- · Replies 7 ·
Graduate Why is the equation for a particle's wave function given by ##\nu = E/h##?
- Isaac0427
- · Replies 13 ·
Graduate Complex numbers and physical meaning
- The Count
- · Replies 44 ·
Graduate Allowable energies for a Particle in a box
- Nick.
- · Replies 5 ·
Graduate Light Waves on Macroscopic Scale: Distinguishing from Matter Waves?
- chris2112
- · Replies 6 ·
Graduate What's so unusual about entanglement?
- franklinhu
- · Replies 50 ·
Graduate Uncertainty principle (stationary state)
- nazmus sakib
- · Replies 1 ·
Graduate Mach zehnder : a test for superposition ?
- jk22
- · Replies 3 ·
Graduate Are there Virtual Particles for Every Field?
- Ryan Reed
- · Replies 1 ·
Graduate The Zeilinger experiment being FTL?
- SlowThinker
- · Replies 4 ·
Graduate Probability of pools freezing in summer
- ShayanJ
- · Replies 1 ·
Graduate How does the EM force transmit charge information?
- Ryan Reed
- · Replies 3 ·
Graduate Rotational Energy and Degeneracy
- pyroknife
- · Replies 1 ·
Graduate Multiple universes, measurement and laws of nature
- entropy1
- · Replies 5 ·
Graduate What is quantum computing research mostly focused on?
- Domenico94
- · Replies 29 ·
Graduate Momentum eigenstates - particle in a box
- dyn
- · Replies 14 ·
Graduate What is the exact connection between Poisson brackets and commutators
- snoopies622
- · Replies 2 ·
Graduate What is the core problem of the information paradox?
- Atla
- · Replies 29 ·
Graduate Can gravity be hypothetically used to collapse the wave function?
- sahej1030
- · Replies 18 ·
Graduate Does relativistic QM obey rotational symmetry?
- fxdung
- · Replies 5 ·
Graduate Annihilation of shifted gaussian vs. nonshifted gaussian
- Chip
- · Replies 2 ·
Graduate How can expectation of position^2 be > L
- NucEngMajor
- · Replies 1 ·
Graduate Eigenfunction of multiple operators simultaneously?
- JaredMTg
- · Replies 4 ·
Undergrad Does voltage affect the current in the Franck-Hertz experiment?
- ghaleb hamdan
- · Replies 6 ·
Graduate An operator acting on the translated ground state of an SHO
- Chip
- · Replies 13 ·
Graduate Does measuring entangled spins in different directions violate uncertainty relations?
- Harel
- · Replies 4 ·
Graduate What quantum mechanics do I need to understand atomic model development?
- elia gomez
- · Replies 3 ·
Graduate Is quantum entanglement a form of time travel?
- David Byrden
- · Replies 7 ·
Graduate Does Pair Production proving quantum nature?
- ghaleb hamdan
- · Replies 4 ·
Graduate Uncertainty Principle And Collapse Wavefunction
- Waxterzz
- · Replies 7 ·
Graduate What is the significance of S-Matrix in Quantum Field Theory?
- Ted Baas
- · Replies 4 ·
Graduate Spin states of the rho meson from Clebsch-Gordan coefficients
- dwight ang
- · Replies 1 ·
Graduate Momentum and position eigenstates ; free and bound
- dyn
- · Replies 3 ·