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 does the Franck-Hertz experiment demonstrate energy quantization in atoms?
- Pushoam
- · Replies 1 ·
Undergrad Solving SE for Particle in Box: Energy Level Relation
- Yajee
- · Replies 2 ·
Graduate 2-d and 3-d model for contact resistance of M/n-Si (book?)
- jaus tail
- · Replies 1 ·
High School Quantum mechanics defies causal order
- kurt101
- · Replies 5 ·
Graduate Nanotube diameter versus emitting wavelength
- Bruce Haawkins
- · Replies 2 ·
Undergrad Photons in the photoelectric efect
- Bruce Haawkins
- · Replies 1 ·
High School Entangled electrons in the Stern-Gerlach experiment?
- Quarky nerd
- · Replies 14 ·
Graduate Measuring the spin of a moving Dirac spinor particle
- Alhaurin
- · Replies 3 ·
Undergrad Double slit one source same as no slits with two sources?
- bahamagreen
- · Replies 12 ·
High School Is there an experiment proving observer dependency exists?
- Rtenhoor
- · Replies 8 ·
High School Does quickly removing the detector restore the interference pattern?
- Aj_
- · Replies 8 ·
High School Meaning of Wave Function Collapse
- Carpe Physicum
- · Replies 173 ·
Android robotics, quantum physics lab
- juzzy
- · Replies 6 ·
Undergrad Would this experiment prove consciousness causes collapse
- john taylor
- · Replies 8 ·
Undergrad What is the highest frequency of electromagnetic radiation?
- enter
- · Replies 3 ·
High School Is this a "fair" description of entanglement for a student?
- jon4444
- · Replies 35 ·
Undergrad Inner products on a Hilbert space
- Decimal
- · Replies 2 ·
Undergrad Entangled Photons in Opposite-Configured Mach–Zehnder Interferometers
- cpu1
- · Replies 28 ·
Undergrad Can Schrodinger's cat apply to things other than alive/dead?
- Sundown444
- · Replies 31 ·
Graduate Reproducing Quantum Experiments
- Dennis Plews
- · Replies 14 ·
Undergrad Is the degeneracy of N2+ different from N2?
- BlackPowder
- · Replies 4 ·
High School Can entanglement timing correlations encode information faster than light?
- Miyuki333
- · Replies 19 ·
Graduate Mathematical Quantum Field Theory - Interacting Quantum Fields - Comments
- Urs Schreiber
- · Replies 9 ·
High School Are atoms just subparticles trying to stay in existence?
- Marco DF
- · Replies 11 ·
Graduate The stability of matter: is really Maxwell wrong? (part 2).
- Anonimo
- · Replies 3 ·
Undergrad Green's functions in QFT for the gifted amateur
- Amentia
- · Replies 12 ·
High School Can a screen detect measurement without revealing what was measured?
- Alex Towers
- · Replies 10 ·
Undergrad Does 'fungibility' exist in physics?
- QuantumConfusion
- · Replies 4 ·
Undergrad Dirac equation as one equation for one function
- akhmeteli
- · Replies 40 ·
Undergrad HHL Algorithm for Solving Linear Equations
- dakshina gandikota
- · Replies 1 ·
Undergrad Radiofrequncy Photon Wavefunction
- Frank Peters
- · Replies 3 ·
Graduate Why do copper, gold and cesium have special colors?
- saeho
- · Replies 15 ·
Undergrad Can an observed atom collapse back into a wave?
- StreetLgnd
- · Replies 2 ·
High School Observation in the double-slit experiment
- quantumdave
- · Replies 8 ·
Graduate Quantum Optics: Squeezed light generation
- Korak Biswas
- · Replies 1 ·
Undergrad What's Known about the Wave Function and Gravity
- jon4444
- · Replies 9 ·
Undergrad FTL communication via delayed choice measurement
- Alex Towers
- · Replies 73 ·
Undergrad Why is the wave function associated with single photons, not collections?
- Pushoam
- · Replies 11 ·
Undergrad When should I use a plus or minus sign in space and time translations?
- Silviu
- · Replies 2 ·
High School Entanglement and delayed choice measurements
- Alex Towers
- · Replies 10 ·
High School Is Bell's parameter really a hidden variable ?
- jk22
- · Replies 2 ·
High School White dwarf quantum tunnelling
- YoungPhysicist
- · Replies 4 ·
Undergrad Oracle questions in Grover's Algorithm
- dakshina gandikota
- · Replies 1 ·
Undergrad Does measuring spin on any axis work for a singlet state?
- Silviu
- · Replies 1 ·
Undergrad Particle goes through a double slit + decays, what happens?
- Paper
- · Replies 11 ·
Graduate Quantum measurement and entropy
- gptejms
- · Replies 30 ·
High School How could a Majorana fermion exist?
- YoungPhysicist
- · Replies 6 ·
High School Theories of Quantum Physics, do they exist?
- Suppaman
- · Replies 19 ·
High School Time emergent from entanglement
- TheQuestionGuy14
- · Replies 8 ·
Undergrad World selection in case of entanglement measurement
- entropy1
- · Replies 4 ·
Undergrad Is there a simple explanation for Fermi-Dirac statistics?
- YoungPhysicist
- · Replies 6 ·
Undergrad Solving the Representation of d/dq: Mistake in Reasoning?
- Spin One
- · Replies 2 ·
High School Quantum teleportation from a Curious 10 year Old
- Jacques Marrot
- · Replies 8 ·
Undergrad Standard boost, particles with mass M > 0
- kent davidge
- · Replies 4 ·
High School The Nature of Measurement and Interaction in Quantum Mechanics
- djsourabh
- · Replies 7 ·
Undergrad Why are all particles of the same type identical?
- Deepblu
- · Replies 11 ·
Undergrad Finding expansion coefficient of a 3-d Gaussian wave packet
- Dazzabaijan
- · Replies 12 ·
High School Is wave-particle duality a result of the relativity theory?
- Jianping Zhang
- · Replies 8 ·
High School Applying Einstein Equivalence to the Quantum Realm
- jedishrfu
- · Replies 2 ·
Undergrad Why is e^ikx considered a plane wave?
- Phys12
- · Replies 12 ·
High School Imaging of Light as a Particle and a Wave
- jedishrfu
- · Replies 10 ·
High School Does time emerge from quantum entanglement?
- TheQuestionGuy14
- · Replies 4 ·
Undergrad Difference between an electromagnetic field and a photon?
- josh777
- · Replies 13 ·
Undergrad Dimensions of the double slits in comparison to the electron?
- meatym
- · Replies 1 ·
Undergrad Finding |Ψ(x,t)|² for a free particle wave packet
- Abdul Quader
- · Replies 12 ·
Undergrad Imaginary Part of QHO Solutions?
- LarryS
- · Replies 6 ·
Graduate First material with both topological and superconducting properties
- Nelli
- · Replies 9 ·
Graduate Vacuum in interacting QFT and physical particles
- asimov42
- · Replies 8 ·
Graduate What is quantum synchronization?
- Danny Boy
- · Replies 2 ·
Undergrad Heisenberg - Uncertainty principle - lifetime of a particle
- fab13
- · Replies 2 ·
Undergrad Would Schrödinger's bomb be as uncertain as his cat?
- pBrane
- · Replies 15 ·
Undergrad Photon detectors in a double slit experiment
- Trollfaz
- · Replies 6 ·
Undergrad Quantum Harmonic Oscillator (QHO)
- Abdul Quader
- · Replies 5 ·
Undergrad Can Time Measurement with Mirrors in Special Relativity Be Improved?
- 43arcsec
- · Replies 15 ·
High School Photon Gas in a Box w/ Heat Conductor
- Bruce Haawkins
- · Replies 9 ·
High School Tendency to use entropy to explain everything
- kent davidge
- · Replies 4 ·
Undergrad Understanding second quantization
- acegikmoqsuwy
- · Replies 3 ·
Undergrad Commuting set of operators (misunderstanding)
- Somali_Physicist
- · Replies 3 ·
Undergrad What is the Average Angle of Infrared Emission from a Flat Diamond Surface?
- Bruce Haawkins
- · Replies 1 ·
Undergrad How Do Quantum Field Theory and Quantum Loop Gravity Explain the Quantum World?
- Drew126
- · Replies 1 ·
Undergrad Is a measurement a correlation?
- entropy1
- · Replies 3 ·
Undergrad Identity Operator for Multiple Particles
- acegikmoqsuwy
- · Replies 2 ·
Undergrad Recovering Fermion States in New Formalism?
- acegikmoqsuwy
- · Replies 2 ·
High School Assumption of the conservation of energy to Heat Flow
- Somali_Physicist
- · Replies 5 ·
High School Probabilities with a Bell's state
- jk22
- · Replies 22 ·
Undergrad Probability density functions for velocity and position
- Aleoa
- · Replies 13 ·
High School Carrier wave double slit experiment
- kurt101
- · Replies 1 ·
Undergrad Is There Only One True Outcome in the Many-Worlds Interpretation?
- entropy1
- · Replies 6 ·
High School Zeno Effect: Quantifying the Impact of Observation on Events
- Dadface
- · Replies 7 ·
Undergrad Why do infinite-dimensional matrices represent x and p operators?
- Phys12
- · Replies 2 ·
Graduate Why did Dirac strongly pursue mathematical beauty?
- enter
- · Replies 19 ·
High School Is Randomness in Quantum Mechanics Truly Non-Deterministic?
- Aufbauwerk 2045
- · Replies 88 ·
Graduate Is energy contained in matter wave equals hv like EM waves?
- Jaden159
- · Replies 2 ·
Undergrad Big Bell Test Collaboration: Challenging Local Realism with Human Choices
- DrChinese
- · Replies 6 ·
Undergrad Determinism of Macroscopic World
- bgq
- · Replies 3 ·
High School Are electrons virtual particles?
- BadgerBadger92
- · Replies 26 ·
Undergrad I can't understand this excerpt from a QM book
- Somali_Physicist
- · Replies 9 ·
Undergrad How many bits or bytes of information are present in 1 atom
- Wolfenstein3d
- · Replies 38 ·
Undergrad Measuring combined spin of two particles and spin conservation in annihilation
- Silviu
- · Replies 8 ·
High School Understanding Absence of a Microscopic Arrow of Time
- Islam Hassan
- · Replies 10 ·