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 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 ·
Graduate Why does quantum superposition become negligible for large objects?
- 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 ·
Graduate Space-time continuity as an assumption in quantum theory
- vivekfw66
- · Replies 10 ·
Graduate What does QM hint about time-space?
- San K
- · Replies 3 ·
Undergrad Why Do Electrons in Covalent Bonds Not Remain Stationary?
- harjot singh
- · Replies 3 ·
Graduate A problem in deriving the interaction field equation for photons
- Qubix
- · Replies 2 ·
Graduate Heisenberg Uncertainty Principle Derivation
- stevenjones3.1
- · Replies 1 ·
Graduate The Human Double Slit Experiment
- Legaldose
- · Replies 3 ·
Graduate How to rewrite operator products using time ordering
- aaaa202
- · Replies 5 ·
Graduate How do you physically implement POVM measurement on a qubit without ancillas?
- phonon44145
- · Replies 2 ·
Graduate Electron Probability of being at an location
- twest123
- · Replies 2 ·
Graduate Eigenstate and real space representation
- Arya_
- · Replies 1 ·
Graduate Initial conditions of electrons in the Ives-Stillwell experiment
- exmarine
- · Replies 3 ·
Graduate Parity is Discrete Transformation?
- LagrangeEuler
- · Replies 1 ·
Undergrad Can a Small YBa2Cu3O7 Disk Navigate a Ring Magnet Track in Quantum Levitation?
- Phizix
- · Replies 1 ·
Graduate Polarity in Atoms: Understanding Electron Movement in Covalent Bonds
- harjot singh
- · Replies 5 ·
Graduate Pauli exclusion principle at distance
- airydisc
- · Replies 4 ·
Graduate Quantum Physics: Can We Understand How It Happens?
- Qubix
- · Replies 2 ·
Graduate Why do fermions have 1/2-integer spins?
- lizzie96
- · Replies 2 ·
Graduate How to understand operators representing observables are Hermitian?
- shrodinger1226
- · Replies 38 ·
Graduate Why use shifted action in quantum effective action definition
- wphysics
- · Replies 4 ·
Graduate Momentum operator as differentiation of position vector
- hokhani
- · Replies 5 ·
Graduate Superposition and entanglement
- San K
- · Replies 6 ·
Graduate Does the environment cause wave function collapse
- Fiziqs
- · Replies 94 ·
High School Double slit experiment for school
- thatoneguy6531
- · Replies 3 ·
Graduate How do low-frequency photons escape black hole event horizons?
- PhysicsStuff
- · Replies 30 ·
Graduate Why do we need wormholes to describe entanglement?
- PhysicsStuff
- · Replies 12 ·
Graduate Understanding Time Ordering Operator in Imaginary Time Formalism
- aaaa202
- · Replies 2 ·
Graduate Gradient of product of wave functions
- doktorglas
- · Replies 7 ·
Undergrad Particle in a box Schrodinger equation
- gkiverm
- · Replies 1 ·
Graduate Fundamental difference between quantum physics and classical physics
- shounakbhatta
- · Replies 18 ·
Graduate Partition function as a description of the system
- phys_student1
- · Replies 5 ·
Graduate Evidence that Maldacena’s hologram conjecture is true
- Greg Bernhardt
- · Replies 5 ·
Graduate Is Gravity Responsible for Breaking Quantum Entanglement?
- Jilang
- · Replies 12 ·
Graduate Does position operator have eigen wave function?
- nosafeway
- · Replies 5 ·
Graduate Importance of the observer in double slit experiment and entanglement
- Quarlep
- · Replies 10 ·
Graduate Quantum mechanics and string theory basics
- Volatilis
- · Replies 3 ·
Graduate The Wave Function Of The Universe
- Crazy4Physics
- · Replies 31 ·
Graduate Spherical harmonics and angular momentum operators
- FarticleFysics
- · Replies 3 ·
Graduate What is the significance of commutative operators in quantum mechanics?
- amitbashyal
- · Replies 6 ·
Graduate How does graphene demonstrate quantum tunneling?
- dawozel
- · Replies 10 ·
Graduate Creating of Wormhole during entanglement
- San K
- · Replies 17 ·
Graduate What is the Asymptotic Behavior of the Propagator in QFT?
- ndung200790
- · Replies 1 ·
What is the Bipolar coordinate system used for in the DSM manual?
- Clovis
- · Replies 3 ·
Graduate A particle in 1D potential well
- White_M
- · Replies 1 ·
Graduate Is there a frequency eigenstate for light?
- snoopies622
- · Replies 15 ·
Graduate Building a Quantum Levitation device
- 42Physics
- · Replies 10 ·
Graduate Can Quantum Fluctuations Create Friction in Empty Space?
- anubodh
- · Replies 10 ·
Graduate Fermionic annihilation operator equation notation
- aaaa202
- · Replies 8 ·
Graduate What does the spin-0 state correspond to for spin-1 photons?
- TrickyDicky
- · Replies 3 ·
Graduate Why do we get an interference pattern in a double slit experiment?
- Fiziqs
- · Replies 21 ·
Graduate Device to measure Planck's constant
- Niceperson27
- · Replies 6 ·
Graduate What Does <S> Mean in Spin Measurement?
- lonewolf219
- · Replies 5 ·
Graduate Spectral Function: Concluding Delta, Physical Interpretation, Imaginary Part
- aaaa202
- · Replies 3 ·
Graduate Does the Born inequality make sense if quanta aren't particles?
- Rena Cray
- · Replies 1 ·
Graduate Lagrangian and quantum field theory
- shounakbhatta
- · Replies 14 ·
Graduate Solving Schroedinger Eqn: Interpreting Separation Constant G as Energy
- DaTario
- · Replies 1 ·
Graduate Do photons interact with gravitons?
- jaydnul
- · Replies 3 ·
Graduate Understanding Electron Diffraction: Heisenberg Uncertainty Principle
- bmrick
- · Replies 6 ·
Graduate Time evolution with time dependent Hamiltonians
- wotanub
- · Replies 6 ·
Graduate Effect of Shielding on Electron Penetration
- garvit21794
- · Replies 1 ·
Graduate Entanglement vs space-time continuum
- C. Bernard
- · Replies 23 ·
Graduate What is the physical interpretation of eigenvalues in H?
- Arya_
- · Replies 7 ·
Graduate Double-slit experiment with photons vs electrons
- TrickyDicky
- · Replies 39 ·
Graduate What is the impact of nonperturbative effects on time-dependent quantum theory?
- TrickyDicky
- · Replies 3 ·
Graduate Initial condition for Schrödinger equation
- kengrimwood
- · Replies 4 ·
Graduate Srednicki Ch5 creation operator time dependence
- cedricyu803
- · Replies 2 ·
Graduate Pure to mixed and back to pure state
- kye
- · Replies 9 ·
Graduate I really need a resource to explain the linear potential well to me
- richyw
- · Replies 1 ·
Graduate Can the energy flux of an EM wave be represented by a single photon?
- jaydnul
- · Replies 7 ·
Graduate Critique of the quantum suicide experiment
- Demystifier
- · Replies 36 ·
Graduate Do quantum fluctuations come from nothing ?
- HamzahA
- · Replies 23 ·
Graduate A question on basics of statistical mechanics
- Alpharup
- · Replies 5 ·
Graduate What role does quantum entanglement play in quantum computers?
- Jalo
- · Replies 1 ·
Graduate Understanding a wikipedia article on quantum coordination games
- Strilanc
- · Replies 12 ·
Graduate Solving Projection Operator Questions - QM Basics
- White_M
- · Replies 1 ·