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
High School Avoiding unexpected observations
- sweet springs
- · Replies 1 ·
Undergrad Find a calculation of Schrödinger's cat experiment?
- Joe Cool
- · Replies 34 ·
Undergrad Can the PBR Theorem Prove the Reality of Quantum States?
- fanieh
- · Replies 91 ·
Undergrad How does quantum entanglement communication work?
- Frenemy90210
- · Replies 4 ·
Undergrad What's the physics description of "existence" ?
- Arman777
- · Replies 4 ·
High School Does Heisenberg's uncertainty principle imply no free will?
- ddjj77
- · Replies 54 ·
Undergrad 3-particle or more entanglement…
- bluecap
- · Replies 59 ·
Undergrad Finite universe, quantized linear momentum, and the HUP....
- asimov42
- · Replies 10 ·
Undergrad Why do waves need to match object size for interaction?
- Mr rabbit
- · Replies 9 ·
High School Gravitational radiation on transition?
- Tio Barnabe
- · Replies 6 ·
Undergrad Principle of superposition of states
- Alex Cros
- · Replies 14 ·
Undergrad Applying the Principle of Relativity to Quantum Mechanics
- S Steinhauer
- · Replies 16 ·
Undergrad Is all correlation related to quantum entanglement?
- friend
- · Replies 3 ·
Undergrad QM Incompleteness: Can We Predict Uncertainty?
- Johan0001
- · Replies 43 ·
High School Does QM state that Space is made of nothing?
- mpolo
- · Replies 30 ·
High School Question regarding Light by Light Scattering
- Curious13
- · Replies 3 ·
Undergrad Understanding Quantum Cascade Lasers
- Karl330
- · Replies 3 ·
High School Does QM implicitly define an aether?
- Nocturnals
- · Replies 23 ·
Graduate Charge conjugation in Peskin and Schroeder
- diegzumillo
- · Replies 4 ·
Undergrad Constant particle motion due to zero-point energy....
- asimov42
- · Replies 4 ·
Undergrad Energy operator and the Hamiltonian operator: Are they same?
- arpon
- · Replies 33 ·
Undergrad QFT in Euclidean or Minkowski Spacetime
- LarryS
- · Replies 23 ·
Undergrad Experiment: Spin Rotation Operator
- arpon
- · Replies 4 ·
High School What are the potential uses of time crystals?
- CuriousMark
- · Replies 1 ·
Undergrad Math of Spreading Wavefunction
- bluecap
- · Replies 7 ·
High School Photon detection in the EPR experiment
- kurt101
- · Replies 3 ·
High School Is a pure state a kind of mixed states?
- sweet springs
- · Replies 3 ·
High School Quantum communication satellite
- pranj5
- · Replies 13 ·
High School Unveiling the Mysteries of the Electron in an Atom: The Quantum Perspective
- efdee
- · Replies 2 ·
Undergrad Compatibility of Quantum Mechanics and Special Relativity
- Mal Cevalo
- · Replies 43 ·
Undergrad Quantum communication question
- Trollfaz
- · Replies 3 ·
High School Superposition principle: clarifications
- Karolus
- · Replies 8 ·
High School Matter/antimatter entanglement
- jerromyjon
- · Replies 20 ·
Undergrad Povm's and Von Neumann Meaurements
- bhobba
- · Replies 4 ·
Undergrad Klein-Gordon propagator derivation
- chingel
- · Replies 13 ·
Undergrad What Happens When the Hamiltonian in Dirac's Equation Isn't Linear in Momentum?
- Tio Barnabe
- · Replies 4 ·
Graduate Can the wave function show turbulence?
- sgphysics
- · Replies 1 ·
Graduate Several ground state calculations at once
- hilbert2
- · Replies 2 ·
Undergrad Pauli Spin Operator Eigenvalues For Two Electron System
- xdrgnh
- · Replies 7 ·
Undergrad Mixed states vs pure states - physical POV
- SchroedingersLion
- · Replies 65 ·
Graduate Understanding the LSZ Reduction Formula in Quantum Field Theory
- bengeof
- · Replies 1 ·
Graduate Understanding the Use of Grassman Numbers in Fermionic Fields: A QFT Guide
- bengeof
- · Replies 3 ·
Graduate Correlation properties of quasi-thermal light
- kvantarina
- · Replies 7 ·
Undergrad Understanding Hilbert Subspace for Two-Particle Entangled Systems
- bluecap
- · Replies 81 ·
High School Information transfer using entanglement?
- entropy1
- · Replies 31 ·
High School Understanding Quantum Entanglement: Debunking Common Misconceptions
- Tio Barnabe
- · Replies 42 ·
Undergrad Conservation laws during particle decay?
- LarryS
- · Replies 3 ·
Undergrad Why is "consciousness causes collapse" unprovable or unfalsiable?
- Trollfaz
- · Replies 15 ·
Graduate Hubbard model diagonalization in 1D K-space for spinless Fermions
- Luqman Saleem
- · Replies 1 ·
Undergrad Von Neumann measurement scheme
- bluecap
- · Replies 2 ·
Undergrad Particles of matter as Bosons?
- bbbl67
- · Replies 17 ·
High School What is the physical interpretation of n-particle correlation function in QFT?
- bengeof
- · Replies 4 ·
Undergrad Relativistic Quantum Mechanics vs Quantum Field Theory
- Tio Barnabe
- · Replies 5 ·
Undergrad Why the Quantum Theories are flawed
- Mac01
- · Replies 6 ·
Graduate Enhancing Spontaneous emission in a vacuum standing wave
- SchroedingersLion
- · Replies 4 ·
Graduate Analytical evaluation of r^l integral
- squareroot
- · Replies 2 ·
Graduate Quantum Optics - transition from pure to mixed state
- SchroedingersLion
- · Replies 4 ·
Undergrad The box notation and Lagrangians in field theory
- aqualone
- · Replies 5 ·
High School Exploring the Mystery of Electron Magnetic Moments in Quantum Mechanics
- calinvass
- · Replies 4 ·
High School Is the electron a particle or field?
- Pedraam
- · Replies 8 ·
Undergrad Atom as a harmonic oscillator of radition
- PainterGuy
- · Replies 14 ·
High School Does this theorem “theoretically” falsify macrorealism?
- Daria K
- · Replies 3 ·
Undergrad Quantum entanglement information
- calinvass
- · Replies 43 ·
High School Physicists measure complementary properties using quantum cloning
- .Scott
- · Replies 7 ·
Undergrad What is the behavior of real magnets when passed through Stern-Gerlach gates?
- calinvass
- · Replies 11 ·
Undergrad Can quantum superpositions be observed
- Trollfaz
- · Replies 7 ·
High School Uncertainty of a Gaussian wavepacket
- Isaac0427
- · Replies 10 ·
High School Why does a the Wave Function collapse?
- mpolo
- · Replies 8 ·
Undergrad Derivation of the radial equation
- davidge
- · Replies 2 ·
High School How did Caltech's photon teleportation work?
- satyesu
- · Replies 2 ·
High School What are quantum states and quantum information?
- satyesu
- · Replies 1 ·
Undergrad Complex scalar field commutation relations
- TeethWhitener
- · Replies 16 ·
High School "probability of finding the electron" (teaching QM)
- Borek
- · Replies 24 ·
High School Is energy really probabilistic in quantum mechanics?
- cube137
- · Replies 5 ·
Undergrad Understanding the Wave Function of Electrons: From Theory to Experiment
- rahaverhma
- · Replies 2 ·
High School Understanding the probability cloud?
- Doomsday92
- · Replies 4 ·
Undergrad Schrodinger equation and Heisenberg equation of motion
- Josh1079
- · Replies 4 ·
Undergrad The nature of quantum interference
- Mentz114
- · Replies 4 ·
Undergrad Proposal for a peculiar double-slit experiment
- Pelion
- · Replies 11 ·
Undergrad The propagator and the Lagrangian
- redtree
- · Replies 7 ·
High School Can retrocausality explain the wave properties in the double slit experiment?
- Realgent
- · Replies 6 ·
Graduate Anomalous field dimension in the on-shell scheme
- aqualone
- · Replies 1 ·
Graduate Majorana Lagrangian and Majorana/Dirac matrices
- mbond
- · Replies 3 ·
High School What Happens to High-Energy Particles in Cosmic Rain?
- Suppaman
- · Replies 3 ·
High School "travel time" of appearing and disappearing?
- Suppaman
- · Replies 11 ·
High School Delayed choice quantum eraser experiment interference pattern question
- livethere
- · Replies 5 ·
Undergrad Entanglement & Spooky Action at a Distance Question.
- Eridu
- · Replies 4 ·
High School Local Hidden Variable Model That Equals QM Predictions?
- Point Conception
- · Replies 21 ·
Undergrad What is the Significance of Isospin Components in Particle Physics?
- smartypants123
- · Replies 3 ·
Undergrad Regarding consciousness causing wavefunction collapse
- Trollfaz
- · Replies 81 ·
High School Does precise momentum guarantee precise energy?
- LarryS
- · Replies 10 ·
High School Are Molecules Entangled Across Distances in Biochemistry?
- Rainbows_
- · Replies 2 ·
Undergrad Does the wave function shorten when approaching light speed?
- KBon
- · Replies 2 ·
High School Understanding Atomic Systems: Nucleus and Electrons in a Constant State
- Rainbows_
- · Replies 21 ·
Undergrad Zeeman effect after a Stern-Gerlach experiment
- svletana
- · Replies 3 ·
Graduate Why do we use BRST in Yang Mills and where does it come from?
- formodular
- · Replies 3 ·
High School How do electrons behave when energy is added to an atom's ground state?
- Arup Biswas
- · Replies 2 ·
High School Examples of multiple entanglements
- mieral
- · Replies 4 ·
Undergrad Does spatial entanglement reduce total classical entropy?
- LarryS
- · Replies 10 ·
Graduate Photon propagator in Coulomb gauge
- lalo_u
- · Replies 7 ·