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 Trying to Derive Dirac's equation following Dirac
- GravitatisVis
- · Replies 4 ·
Graduate What is the meaning of uncertainty principle in QTF?
- ndung200790
- · Replies 19 ·
Graduate TISE in the position representation- basic question
- Lucy Yeats
- · Replies 5 ·
Graduate Correct understanding of symmetrization requirement?
- dracobook
- · Replies 5 ·
Graduate Rotation Operator: Spin 1/2 vs Spin 1
- M. next
- · Replies 7 ·
Graduate Sound in Bose Einstein Condensates.
- o0_manifold_0o
- · Replies 8 ·
Graduate Can an Electron Have Zero Kinetic Energy in a Confined Space?
- wudingbin
- · Replies 6 ·
Undergrad Why are the entries in the matrix arranged the way they are?
- M. next
- · Replies 4 ·
Graduate What is the meaning of differential cross section in scattering theory?
- Kontilera
- · Replies 4 ·
Undergrad Equipment required to to the electron double slit experiment ?
- laudas
- · Replies 3 ·
Graduate Can a photon be excited to a higher energy level?
- fouad89
- · Replies 36 ·
Graduate How Do Coherence and Entanglement Affect Photon Interference?
- San K
- · Replies 1 ·
Graduate Tensor products of bra-ket operators and states in Wolfram Mathematica
- limarodessa
- · Replies 1 ·
Graduate Entanglement/event horizon red/blue shift
- Mordred
- · Replies 4 ·
Undergrad Pair production and pair annihilation
- ritesh31rao
- · Replies 1 ·
Graduate Electromagnetically Induced Transparency Molecular Atom Selectivity?
- jaketodd
- · Replies 6 ·
Graduate Can Quantum Physics and Poetry Coexist in Understanding Reality?
- antoniopedro
- · Replies 14 ·
Undergrad Do properties associated with photons also apply to other bosons?
- ricko
- · Replies 3 ·
Graduate When is Aexp(i(kx - ωt)) a solution to the Schrödinger equation?
- cytochrome
- · Replies 1 ·
Graduate What are the kinds of mesurements that affect the wave function?
- Sayajin
- · Replies 7 ·
Graduate [MSc thesis ideas] Solar PV with use of quantum physics
- astralfx
- · Replies 2 ·
Graduate SU(2) a double cover for Lorentz group?
- friend
- · Replies 25 ·
Graduate The double slit experiment – What do I need to know?
- Proxymei
- · Replies 9 ·
Graduate How long does entanglement last?
- San K
- · Replies 2 ·
Graduate Did quantum mechanics exist before observation discovered it?
- thephystudent
- · Replies 8 ·
Graduate Hidden variables and measurement outcomes in Bell's chapter 2
- fpaolini
- · Replies 2 ·
Graduate Bell theorem loopholes and local realism
- akhmeteli
- · Replies 823 ·
Graduate Why is the Bell test more definitive than double-slit interference?
- mes314159
- · Replies 1 ·
Graduate Linear Sigma Model Invariance Under O(N)
- dm4b
- · Replies 4 ·
Graduate Quantum mechanics for the nucleus?
- DiracPool
- · Replies 3 ·
Graduate Qubits and common calculations
- exponent137
- · Replies 3 ·
Graduate Does light accelerate to its speed or is it instant?
- Magnus Warhol
- · Replies 7 ·
Graduate Does the electron have a defined position in Young's double slit experiment?
- MHD93
- · Replies 1 ·
Graduate Wave functions for Coherence and Entanglement
- San K
- · Replies 4 ·
Graduate Significance of Dirac to Wave Mechanics Model
- ky.tan1
- · Replies 2 ·
Graduate What is the issue with an infinite universe on a N-sphere?
- StJohnRiver
- · Replies 55 ·
Graduate What Does Integrability Mean in Physics and Mathematics?
- anthony2005
- · Replies 6 ·
Graduate Infinity potential hole - transition to base state
- lakmus
- · Replies 2 ·
Graduate Understanding Spin: Unpacking the Concept of Electron Angular Momentum
- VivaLaFisica
- · Replies 1 ·
Undergrad Thermal Equilibrium: Exchange of Kinetic Energy
- boletoms
- · Replies 7 ·
Graduate Why is the Faddeev-Popov identity equal to 1?
- dm4b
- · Replies 12 ·
Graduate Is there entanglement other than 50/50 energy? of the pump photon
- San K
- · Replies 2 ·
Graduate Could Virtual Particles Explain the Acceleration of Galaxies?
- barbacamanitu
- · Replies 14 ·
Graduate In downconversion, can you get coherence between the signals from two sources?
- al onestone
- · Replies 27 ·
Graduate Possibility of superluminal signals using quantum entanglement
- kochanskij
- · Replies 6 ·
Graduate Solutions of the free one-particle Klein Gordon equation
- silverwhale
- · Replies 1 ·
Undergrad Physical meaning of wavefunction parameters x and t
- accountkiller
- · Replies 5 ·
Graduate Tunneling in a non-subatomic particles
- Si14
- · Replies 3 ·
Graduate Transition Dipole Moment and Electron Transfer
- Sina
- · Replies 6 ·
Graduate Formula for Commutator of f(n), a, a+ Bose operators
- LagrangeEuler
- · Replies 11 ·
Graduate Is Dirac's equation still useful after QED is developed?
- wdlang
- · Replies 18 ·
Graduate How can we add Angular Momenta in Quantum Mechanics?
- M. next
- · Replies 7 ·
Graduate Temporal complementarity- single and two-photon interference
- San K
- · Replies 1 ·
Graduate How Do You Transition Between These Two Physics Equations?
- silverwhale
- · Replies 4 ·
Graduate Probability and quantum possibilities
- NanaToru
- · Replies 5 ·
Graduate Time independent Schrödinger equation
- ZedCar
- · Replies 2 ·
Graduate Is it a misprint in QFT book of Peskin?
- ndung200790
- · Replies 1 ·
Graduate Transmission and Processing of Information via Quantum Entanglement
- Russell501
- · Replies 1 ·
Graduate Wheeler Feynman absorber theory and non locality
- entropy15
- · Replies 1 ·
Graduate Are There Experiments Superior to Bell's Tests for Proving Quantum Entanglement?
- San K
- · Replies 2 ·
Graduate Pair production - conservation of momentum VS conservation of energy
- 71GA
- · Replies 9 ·
Graduate Pair production - which theory does it belong to
- 71GA
- · Replies 5 ·
Graduate Understanding delayed choice experiment
- rajeshmarndi
- · Replies 5 ·
Graduate Recording of data stopping interferrence pattern
- BigGordonLips
- · Replies 8 ·
Graduate Schrodinger's Cat - An Alteration
- jason_m
- · Replies 2 ·
Graduate Uncertainty, Symmetry, and Commutators
- friend
- · Replies 25 ·
Graduate Does different observer affect double slit particle experiment
- rajeshmarndi
- · Replies 26 ·
Graduate Finding Matrix Elements of Operators in Quantum Mechanics
- aaaa202
- · Replies 2 ·
Graduate Amount of energy required to change path of a photon
- San K
- · Replies 4 ·
Graduate Probability density from Wave Function
- Mandelbroth
- · Replies 2 ·
Graduate What is the correct convention for anti-fermions in Feynman diagrams?
- MalachiK
- · Replies 6 ·
Graduate Is the uncertainty principle fundamental or just a measurement limitation?
- ShayanJ
- · Replies 2 ·
Graduate What happens to photon energy below the threshold frequency?
- Linday12
- · Replies 1 ·
Graduate Reversal of limits of integration in the derivation of probability current density
- hnicholls
- · Replies 7 ·
Graduate Gaussian potential energy difference from numerical solution to Taylor expansion
- aaaa202
- · Replies 7 ·
Graduate Applying Schrodinger's Cat Experiment
- noname2020x
- · Replies 34 ·
Graduate Spin Quantum # in Triplet state
- phys_student1
- · Replies 1 ·
Graduate Production of bound states of slow fermions- Peskin 5.3
- muppet
- · Replies 3 ·
Graduate What is spin in subatomic particles
- h1010134
- · Replies 5 ·
Graduate Has the Uncertainty Principle been defeated?
- markb287
- · Replies 3 ·
Graduate Electromagnetism its counterpart particle? And can it be used to create a PMF?
- Curious_Dude
- · Replies 4 ·
Graduate Are There Any Cases of Non-Constant Particle Mass in Solid State Theory?
- TriKri
- · Replies 3 ·
Graduate Electron Exclusion via EIT/CPT?
- jaketodd
- · Replies 19 ·
Graduate Electron excitation, and inhibition with EIT/CPT?
- jaketodd
- · Replies 1 ·
Graduate How exactly do raising/lowering operators let you know the form of M?
- Silversonic
- · Replies 5 ·
Graduate How do detectors affect particles in the double slit experiment?
- Jbeats245
- · Replies 8 ·
Graduate Can we apply superposition principle for states in Fock space?
- ndung200790
- · Replies 21 ·
Graduate Solving SE Numerically for Periodic Potential
- aaaa202
- · Replies 2 ·
Graduate What does touch look like in the subatomic world?
- markb287
- · Replies 5 ·
Graduate State callback in photon teleportation
- bastianT
- · Replies 1 ·
Graduate What Does It Mean When Field Quanta Are Not Spatially Localized?
- I2004
- · Replies 4 ·
Graduate Can a particle entangle with itself?
- San K
- · Replies 8 ·
Undergrad Space between objects when Normal force equals 0
- PhanthomJay
- · Replies 9 ·
Graduate Can 2D Systems Simplify Path Integrals in 4D Minkowski Space?
- DMESONS
- · Replies 3 ·
Graduate Popular accounts of quantum computing
- VantagePoint72
- · Replies 1 ·
Graduate Macroscopic superpostion and hidden variable theories
- I2004
- · Replies 1 ·
Undergrad Why Does One Photon of Light Cause the Emission of One Electron?
- dev70
- · Replies 11 ·
Undergrad Infinite Universe, All Combinations of Matter Exist
- Nickerbocker
- · Replies 15 ·
Graduate What is Spin in Elementary Particles?
- TheAnalogKid2
- · Replies 6 ·
Graduate Photonic Properties Determining Charge
- 13thDoctor
- · Replies 10 ·