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
Undergrad How would Lorentz violation affect the vacuum's appearance?
- asimov42
- · Replies 12 ·
Undergrad Intrinsic or non-intrinsic properties
- friend
- · Replies 7 ·
Undergrad Quantum wavepackets expanding in free space
- fog37
- · Replies 1 ·
High School Can particles of different types be entangled together?
- rpthomps
- · Replies 6 ·
Undergrad Total angular momentum for antiparallel electrons
- goodphy
- · Replies 22 ·
Undergrad Finding resources and problem sets for Sturm-Liouville equations
- Mordred
- · Replies 2 ·
Undergrad Understanding Quantum Corral images
- fog37
- · Replies 2 ·
Undergrad Does energy poverty impose structure in quantum systems?
- jamie.j1989
- · Replies 8 ·
High School Does information travel faster than light
- wolram
- · Replies 1 ·
Undergrad Rotation operators on a sphere, around x and y axis
- Emily111
- · Replies 2 ·
High School Single-source and multi-source interference
- stevendaryl
- · Replies 7 ·
Undergrad Common eigenfuctions for degeneracy
- goodphy
- · Replies 11 ·
Undergrad Is quantum particle reflection from a mirror a Lorentz boost?
- Pet Scan
- · Replies 1 ·
High School Has the double slit experiment been done in space?
- Gmoneylucky
- · Replies 40 ·
Undergrad Born rule for macroscopic objects
- durant35
- · Replies 1 ·
Undergrad Quantum Physicists Examine Orch Theory and Consciousness
- Pyrus
- · Replies 7 ·
Undergrad On uniqueness of density matrix description as mixed state
- stevendaryl
- · Replies 5 ·
Undergrad Underlying reality re deBroglie equation
- Cobalt101
- · Replies 6 ·
High School Matrix exponential and applying it a random state
- td21
- · Replies 1 ·
Graduate Does increasing photon flux density increase attenuation?
- texasnano
- · Replies 8 ·
Graduate Change of coordinates in quantum phase space
- dft5
- · Replies 1 ·
Undergrad Explanation of the EPR paradox
- arupel
- · Replies 18 ·
High School Does the Higgs field gravitate?
- newjerseyrunner
- · Replies 2 ·
Undergrad Psi-epistemic arguments against reality of quantum states
- msumm21
- · Replies 5 ·
Graduate What are L+ and L- matrices for l=3 ?
- niloun
- · Replies 1 ·
High School QM: Quantization Dependent on Spatial Confinement?
- fog37
- · Replies 3 ·
Undergrad Solving Schrodinger's equation
- LSMOG
- · Replies 8 ·
High School Guessing trial wave function with variational method
- physicist 12345
- · Replies 5 ·
Undergrad Srednicki KG equation: why exclude negative energy solutions with step function
- TeethWhitener
- · Replies 9 ·
Undergrad What can this observable represent?
- OhNoYaDidn't
- · Replies 2 ·
Undergrad How Can Two Simultaneous Measurements Be Compared in Single Photon Entanglement?
- akvadrako
- · Replies 18 ·
Undergrad Why can't atoms accept energy from static electric fields?
- Electric to be
- · Replies 10 ·
Graduate Problem with Bose-Einstein Condensation
- ShayanJ
- · Replies 2 ·
Undergrad Trying to understand how spontaneous emission works
- Groucho
- · Replies 9 ·
High School Why are there only two colorful metals?
- Buffu
- · Replies 24 ·
High School Trajectory of photon or electron in double slit
- learis
- · Replies 6 ·
High School Can the electron g-factor be calculated from the golden ratio?
- HawkI
- · Replies 2 ·
Undergrad Is it possible to send information with entanglement?
- newjerseyrunner
- · Replies 6 ·
High School When was the first double slit experiment done using a detector?
- aceleratio
- · Replies 4 ·
High School Does "wave–particle duality" exist in low frequency waves?
- Dante Meira
- · Replies 5 ·
Graduate Is There a Possibility of Quantum Events Creating Cats?
- clarkvangilder
- · Replies 41 ·
Undergrad Do these relations have any physical significance
- ftr
- · Replies 9 ·
Undergrad Delayed choice quantum eraser with actual 'choice'?
- greypilgrim
- · Replies 2 ·
High School Does mass increase with velocity in different reference frames?
- Ganoash
- · Replies 7 ·
Undergrad Electron Degeneracy Pressure not Fundamental?
- FallenApple
- · Replies 3 ·
High School Did Einstein and Bohr disagree on whether reality requires observation?
- ChrisisC
- · Replies 6 ·
High School How much could quantum computers improve on conventional computers?
- ChrisisC
- · Replies 8 ·
High School Maths used in Quantum physics, specifically particle physics
- ChrisisC
- · Replies 3 ·
Undergrad Boltzmann brains and other low probability events
- durant35
- · Replies 35 ·
High School Double slit experiment for layman
- wolram
- · Replies 2 ·
Undergrad Ratio between spontaneous/stimulated emission
- greypilgrim
- · Replies 1 ·
Graduate Large scale Quantum computing developments
- 1oldman2
- · Replies 8 ·
Graduate A need for an exactly solvable model
- Demystifier
- · Replies 25 ·
Undergrad Mandel quantum eraser: No signal/idler-correlations needed?
- greypilgrim
- · Replies 3 ·
High School Why do Dirac equation solutions have spin even at zero momentum?
- DiracPool
- · Replies 6 ·
High School How does beta disintegration work?
- adolphysics
- · Replies 1 ·
Undergrad Why does the Coulomb potential give discrete energy eigenvalues in quantum mechanics?
- jonjacson
- · Replies 20 ·
Undergrad Is there any way to get a geometrical description of QM
- nashed
- · Replies 12 ·
Undergrad Why don't vacuum fluctuations cause Anderson-like localization?
- asimov42
- · Replies 22 ·
Undergrad Why do quarks prefer to live on top of fluctuating gluon fields?
- FallenApple
- · Replies 6 ·
High School Is Energy Truly Quantized in De Broglie's Equation?
- _PJ_
- · Replies 1 ·
Undergrad How important is light in the Observer Effect?
- Dennis Z
- · Replies 3 ·
Graduate Quantum states and representation freedom
- fog37
- · Replies 31 ·
Undergrad If an object is not quantized does it have a wave function?
- Nickyv2423
- · Replies 12 ·
Undergrad How Does Shankar's PQM Derive Schrödinger's Equation?
- hideelo
- · Replies 1 ·
Graduate How does the magnetic field B appear when rewriting the Dirac equation?
- TimeRip496
- · Replies 4 ·
Undergrad The nature of wavefunctions collapse
- Jilang
- · Replies 10 ·
Undergrad Can individual observables become entangled while others remain separate?
- fog37
- · Replies 1 ·
Graduate How do you visualize quantum spin?
- Scott99
- · Replies 1 ·
Graduate Variation in Schwinger's quantum action principle
- Neutrinos02
- · Replies 1 ·
Undergrad The Arrow of Time and the Reversibility of Decay Processes in Physics
- Abdullah Qasmi
- · Replies 45 ·
High School Is the wave function collapse asymmetrical in time?
- IvicaPhysics
- · Replies 2 ·
High School Boundary between Quantum and Relativity
- rharrex
- · Replies 3 ·
Undergrad Criss-cross multiple double slit experiment paths?
- pittsburghjoe
- · Replies 4 ·
Graduate Ground state wave function from Euclidean path integral
- ShayanJ
- · Replies 12 ·
Undergrad Why Use Different Components for E>0 and E<0 in Dirac Equation?
- TimeRip496
- · Replies 1 ·
High School Understanding Fourier Transform for Wavefunction Representation in K Space
- Physgeek64
- · Replies 4 ·
Undergrad State Representation in QM and Vector Spaces
- fog37
- · Replies 4 ·
Undergrad Lorentz invariance of quantum theory
- Narasoma
- · Replies 2 ·
High School SMBC comic about the Heisenberg uncertainty principle
- collinsmark
- · Replies 20 ·
High School What is the UV catastrophe and how does it challenge classical physics?
- Asmaa Mohammad
- · Replies 2 ·
Undergrad I can determine the photon path in delayed erasure
- djorkaef
- · Replies 3 ·
Undergrad Information isolation limits many-worlds branching in quantum systems
- .Scott
- · Replies 2 ·
High School Measuring entangled electrons on different spin axes
- rede96
- · Replies 18 ·
Undergrad Why does inserting a complete set give an extra delta function term?
- jim burns
- · Replies 15 ·
High School Double slit and DCQE with future prediction
- TJung
- · Replies 13 ·
High School What are some easy ways to show quantum mechanics
- malcome123
- · Replies 26 ·
High School The Chinese have proposed teleportation of a bacteria
- Nicky665
- · Replies 5 ·
High School Why is Quantum Physics so Strange?
- ChrisisC
- · Replies 39 ·
Undergrad Why doesn't macroscopic superposition occur like quantum superposition?
- garrettwittag
- · Replies 20 ·
Undergrad Energy associated with entangled particles
- MCB
- · Replies 2 ·
Undergrad Is Energy Entanglement Possible?
- LarryS
- · Replies 31 ·
Undergrad Most Ridiculous Papers You've Ever Read
- Nosebgr
- · Replies 3 ·
High School Why is P²/2m the kinetic energy operator in the Hamiltonian?
- kidsasd987
- · Replies 4 ·
Undergrad Finding electron spin probabilities in a two-electron system
- voila
- · Replies 12 ·
Undergrad Why is the Pauli Exclusion Principle not a force?
- dsanz
- · Replies 101 ·
Undergrad Why do different Lagrangians related by a total derivative give different quantum systems?
- klpskp
- · Replies 10 ·
High School Bose Condensate: The Repulsive Nature and Inability to Penetrate Ceramic
- fanieh
- · Replies 3 ·
Undergrad One Way vs. Entangled Cryptography
- Zafa Pi
- · Replies 5 ·
Undergrad Commutator Properties: [A,B]C+B[A,C]=[A,B](C+B)?
- Kyle Nemeth
- · Replies 2 ·