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 Why Is the Divergence of a Diagram ln(lambda) When D=0?
- ndung200790
- · Replies 2 ·
Graduate Crucial step Quantum mechanics
- Gavroy
- · Replies 6 ·
Graduate What Are the Implications of the Uncertainty Principle?
- bugatti79
- · Replies 29 ·
Graduate Psi & Probability: Linking Complex Concepts
- MHD93
- · Replies 11 ·
Graduate Finding energy of an electron analytically
- foota
- · Replies 2 ·
Graduate Quantum Entanglement and Communication
- ExecNight
- · Replies 8 ·
Graduate Defining Probability in Quantum Physics
- madhatter106
- · Replies 22 ·
Graduate Is it possible to create a Positron - Electron cooper pair?
- jniehus
- · Replies 3 ·
Graduate Indistinguishability and entanglement
- Dorilian
- · Replies 21 ·
Graduate An question about antiunitary operator
- JamesBondi
- · Replies 1 ·
Graduate Construction of asymptotic states in QFT
- paweld
- · Replies 24 ·
Graduate Nonlinear measurements - HUP violation or not?
- espen180
- · Replies 1 ·
Graduate Preparation of Single qubit mixed states
- macduy
- · Replies 9 ·
Graduate Why the Integration Constant in the Schrödinger Equation is Set to L(L+1)?
- member 141513
- · Replies 3 ·
Graduate Can 1D Cavities Explain Free Space Physics in EM-Field Quantization?
- Niles
- · Replies 1 ·
Graduate Renormalisation constants in QED
- blackie1008
- · Replies 1 ·
Graduate Is electron spin a perpetual motion?
- member 141513
- · Replies 5 ·
Graduate A question about quantum tunnelling
- ShayanJ
- · Replies 2 ·
Graduate What the wave function exactly mean?
- angadaria
- · Replies 4 ·
Graduate How can I define what is the wavefunction
- Mancho
- · Replies 2 ·
Graduate Applying Perturbation to Mercury: Understanding Electron Behavior"
- zygi
- · Replies 3 ·
Graduate Where do all the interfered photons go?
- rchase
- · Replies 35 ·
Graduate 2 particles in a 1-dimensional box
- nemisis42
- · Replies 1 ·
Graduate Could anyone derive an assertion found in light and matter, a strange theory ?
- naima
- · Replies 4 ·
Graduate QED functions E(a to b) and P(a to b)
- Cemre
- · Replies 10 ·
Graduate In the reality how I perform the many kind of measurements, like operators p,q,E
- spocchio
- · Replies 1 ·
Graduate Nonlinear optics: electric dipole moment operator
- elemental09
- · Replies 6 ·
Graduate Explanation why dosen't the electron fall into the nucleus?
- pivoxa15
- · Replies 74 ·
Undergrad Photoelectric Effect and energy
- MHD93
- · Replies 6 ·
Graduate Visibility of a specific waveleangth
- madhatter106
- · Replies 1 ·
Undergrad Classical and quantum physics.
- Dorilian
- · Replies 7 ·
Graduate What is going on with the indices
- vertices
- · Replies 2 ·
Graduate Understanding the quadratic Stark effect
- rgoerke
- · Replies 6 ·
Graduate Grassman number in functional quantization?
- ndung200790
- · Replies 1 ·
Graduate Energy-Time uncertainty: observer's clock or observed's?
- Polama
- · Replies 1 ·
Undergrad Would a Wave Plate Affect Interference in Young's Experiment?
- Dorilian
- · Replies 1 ·
Graduate Raman Wavefunction: Rayleigh & Raman Scattering Implications
- ixx
- · Replies 1 ·
Graduate Gravity: An Emergent Phenomenon According to Theoretical Physicist Erik Verlinde
- jaquecusto
- · Replies 1 ·
Graduate Which of the following particles would have the shortest wavelength?
- khamaar
- · Replies 3 ·
Graduate Causes Virtual Particles or Vacuum Energy or Other?
- rchase
- · Replies 1 ·
Graduate Is Discretized Space the Key to Understanding Quantum Decoherence?
- Pythagorean
- · Replies 1 ·
Graduate Vacuum Energy and the Casmir Plate and Electromagnetics
- rchase
- · Replies 2 ·
Graduate What Does One Non-Trivial Irreducible Representation of Clifford Algebra Mean?
- countable
- · Replies 2 ·
Graduate Trace Theorems and Dirac Matrices
- dm4b
- · Replies 2 ·
Graduate The possibility of a Casimir Effect Battery
- siromar
- · Replies 12 ·
Graduate Non-hermiticity of fourth power of momentum operator in L=0 state of hydrigen atom
- jungljim77
- · Replies 3 ·
Graduate Is There a Superluminal Signal When Turning Off a Harmonic Potential?
- kof9595995
- · Replies 6 ·
Graduate Solving Confusing Indices in Operator Calculus
- countable
- · Replies 2 ·
Graduate Quantum physics, reality, consciousness and the hypnagogic/hypnopompic state
- madhatter106
- · Replies 1 ·
High School Are electrons and protons equal in attraction?
- nitsuj
- · Replies 16 ·
Graduate Atom and Sublevels: Quantum Physics Questions Answered
- scientifico
- · Replies 2 ·
Graduate What is the mathematical basis of quantum mechanics?
- capandbells
- · Replies 18 ·
Graduate How to know if two photons are entangled?
- Dorilian
- · Replies 2 ·
Graduate Physicsal meaning of Expectation of two variables
- persist911
- · Replies 1 ·
Graduate Proof Scalar action is conformally invariant
- LAHLH
- · Replies 6 ·
Graduate What is the unidimensional case of a finite barrier inside a finite well?
- intervoxel
- · Replies 1 ·
Graduate Is the substitution of the numerator in QFT scattering amplitudes always valid?
- ismaili
- · Replies 2 ·
Graduate How can I take the inner product between a position eigenstate and a ket?
- rushton_19
- · Replies 1 ·
Graduate Time evolution in quantum field theories
- A. Neumaier
- · Replies 79 ·
Graduate When matter and anti-matter collide, in what form is the resulting energy?
- Jarfi
- · Replies 4 ·
Graduate Is this Operator a Projection Operator? A Proof
- km707
- · Replies 1 ·
Graduate Solving the Mystery of Guided Particles in a Black Hole
- Dmitry67
- · Replies 61 ·
Graduate How to measure which slit a photon went through
- michelcolman
- · Replies 2 ·
Graduate Why are there several gauge fixing choice for gauge symmetry fields?
- ndung200790
- · Replies 3 ·
Graduate How Does Measurement Angle Affect Quantum Entanglement Probabilities?
- guillefix
- · Replies 2 ·
Graduate Square Brackets in Partial Derivatives: Meaning & Examples
- countable
- · Replies 3 ·
Graduate Regularization by differentiation respect to a parameter
- zetafunction
- · Replies 1 ·
Graduate Photon Antibunching: Clarifying Inverse Not Necessarily True
- Niles
- · Replies 2 ·
Graduate Interpreting Correlation Functions: (1) vs (2)
- RedX
- · Replies 1 ·
Graduate How Do Neutral Atoms Emit Black-Body Radiation?
- exmarine
- · Replies 1 ·
Graduate Thought experiment: Observation via Recording
- Vulpes vulpes
- · Replies 5 ·
Graduate Electron Self-Energy: QED Calculation & Verification
- blackie1008
- · Replies 2 ·
Graduate Is Reality as We Know It Just an Illusion?
- RichyRich
- · Replies 9 ·
Graduate Differential equations in Quantum Mechanics
- gomes.
- · Replies 3 ·
Graduate The probability functional description of a wave
- peeyush_ali
- · Replies 9 ·
Graduate Canonical transformation in Hamiltonian
- jackychenp
- · Replies 8 ·
Graduate Double Slit Experiment: The Observer's Eye Affecting Matter
- MrFix
- · Replies 2 ·
Graduate Are clicks proof of single photons?
- A. Neumaier
- · Replies 155 ·
Graduate Thinking about the uncertainty principle.
- zeromodz
- · Replies 5 ·
Graduate Why is plasma frequency in ev and not hz
- OrigamiNinja
- · Replies 3 ·
Graduate Can Particles Be Connected Across Vast Distances?
- Jarfi
- · Replies 4 ·
Undergrad How Does the Star Trek Warp Core Utilize Matter-Antimatter Collisions?
- Ahmes
- · Replies 9 ·
Graduate Using the drude equation to find the dielectric function
- OrigamiNinja
- · Replies 1 ·
Graduate Definition of indistinct in pauli exclusion principle
- RedX
- · Replies 5 ·
Graduate Pauli exclusion principle, quantum states, and lasers?
- Juxtaroberto
- · Replies 8 ·
Graduate Symmetry, Lagrangian, Qm, and diff eqs.
- friend
- · Replies 8 ·
Graduate Do higher spin particles obey Klein-Gordon or Dirac equations?
- ndung200790
- · Replies 14 ·
Graduate Solution to uncertainty principle
- CyberShot
- · Replies 9 ·
Graduate Are All Two-Particle Wave Functions Products of One-Particle Wave Functions?
- majed_q8i
- · Replies 10 ·
Graduate Quantum/Computational Chemistry
- IPnano
- · Replies 4 ·
Undergrad Is the Conservation of Energy ever violated?
- GoldPheonix
- · Replies 14 ·
Undergrad Where Do Photons Go After They Are Created?
- magicman54494
- · Replies 3 ·
Graduate Newbie problem about <a|b> and |a> <b|
- member 141513
- · Replies 4 ·
Graduate Are Mixed States Classical? | Niles
- Niles
- · Replies 1 ·
Graduate Can Blackbody Radiation Explain Heat Absorption in Hollow Cavities?
- psholtz
- · Replies 19 ·
Graduate Perception of Time & the Probability Wave: Is It Illusory?
- jamjr1979
- · Replies 1 ·
High School Smallest Distance: How We Feel Things Without Touching
- CyberShot
- · Replies 14 ·
Graduate Real or Virtual Particles: Chicken or the Egg?
- sujiwun
- · Replies 69 ·
Graduate Overlap integrals and eigenstates problem
- randybryan
- · Replies 2 ·
Undergrad Can a sinlge photon be polarised?
- _PJ_
- · Replies 11 ·