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 Mathematical Quantum Field Theory - Field Variations - Comments
- Urs Schreiber
- · Replies 6 ·
High School Casimir effect, energy conservation
- Gabriele Pinna
- · Replies 3 ·
Graduate Mathematical Quantum Field Theory - Geometry - Comments
- Urs Schreiber
- · Replies 32 ·
Graduate Mathematical Quantum Field Theory - Lagrangians - Comments
- Urs Schreiber
- · Replies 42 ·
Graduate Quantum physics phenomena that have spiral-phase portraits?
- SeM
- · Replies 16 ·
Graduate Transformation of position operator under rotations
- Anj123
- · Replies 1 ·
Graduate Shor's algorithm - need to uncompute auxiliary qubits?
- jarekduda
- · Replies 2 ·
High School Beam splitter, one photon, one detector?
- Idunno
- · Replies 11 ·
High School Quantum Tunneling: Reflection and Transmission Probabilities Explained
- PGaccount
- · Replies 3 ·
Undergrad Canonical Quantization: Proving the Theory
- Silviu
- · Replies 7 ·
Undergrad 2-particle Wavefunction and the Pauli Exclusion Principle
- Isaac0427
- · Replies 38 ·
Undergrad Requirements for pair production
- mark!
- · Replies 19 ·
High School Why Can't Two Fermions Occupy the Same Quantum State?
- riz
- · Replies 3 ·
Undergrad Can We Cool a Macroscopic Crystal to 1 nK?
- Petr Matas
- · Replies 8 ·
Undergrad Fubini-Study metric of pure states
- Alex Cros
- · Replies 9 ·
Undergrad Can Entangled Clocks Synchronize Time in Quantum Physics?
- .Scott
- · Replies 18 ·
Undergrad What does complex conjugate of a derivate mean?
- jstrunk
- · Replies 6 ·
Undergrad Understanding Neutron Star Formation Through Feynman Diagrams
- doggydan42
- · Replies 4 ·
Undergrad Quantum Entanglement: Particle Connection Effects
- Dan Nixon
- · Replies 7 ·
Undergrad Distinguishing electrons through spin
- Josh1079
- · Replies 6 ·
Undergrad How Can Fermi Pressure Be Explained in Relativistic Conditions?
- Silviu
- · Replies 5 ·
Undergrad Measurement Values for z-component of Angular Momentum
- MoAli
- · Replies 1 ·
Undergrad What mechanism enables interaction of the fields?
- Paul Woods
- · Replies 8 ·
Graduate Shor's algorithm and similar exploitation of QM?
- jarekduda
- · Replies 11 ·
Undergrad How does a harmonic oscillator model have the same frequency
- Fruit Water
- · Replies 1 ·
Undergrad Understanding Continuous Variable QKD
- Dopplershift
- · Replies 1 ·
Graduate Why light beams attract or repel each other even when they don't have charge
- SunRay-dvsh
- · Replies 20 ·
Undergrad Dirac equation solved in Weyl representation
- Milsomonk
- · Replies 2 ·
Undergrad Anihilation operator expression: is there a typo here?
- Tio Barnabe
- · Replies 16 ·
Undergrad Superposition States: Is TDSE & TISE Satisfied? Check Here
- dyn
- · Replies 2 ·
Undergrad Can Photons travel faster than c?
- Electric to be
- · Replies 46 ·
Undergrad Feynman Path Integral: Teaching and Questions
- Swamp Thing
- · Replies 8 ·
Undergrad Fluorescence from core shell quantum dots
- avkr
- · Replies 1 ·
Graduate Question about QFT Diagrams and their Integrals
- Opus_723
- · Replies 2 ·
High School Understanding Particle Spins: A Beginner's Guide
- ISamson
- · Replies 12 ·
Graduate Can there be a subquantum level?
- quiet
- · Replies 15 ·
Undergrad Alternate form of wave equation
- Daniel Sellers
- · Replies 2 ·
Undergrad Exploring Multi Particle States: Fermions vs. Bosons
- Tio Barnabe
- · Replies 2 ·
Undergrad LS-Coupling: intuition why 2p^2 has no singlet P?
- Twigg
- · Replies 4 ·
High School Possible Loophole in the uncertainty principle
- RevolutionaryThinker
- · Replies 14 ·
Graduate Mathematical Quantum Field Theory - Spacetime - Comments
- Urs Schreiber
- · Replies 6 ·
Undergrad Multiplying a wavefunction by a constant number
- dyn
- · Replies 12 ·
Undergrad Dirac Matrices and the Pythagorean Theorem
- Bob Dylan
- · Replies 2 ·
Undergrad Generating a Hilbert space representation of a wavefunction
- SeM
- · Replies 43 ·
Graduate Integral ##\int_{-1}^{1} [P_{l}^{m}]^2 ln [P_{l}^{m}]^2 dx##
- dongsh2
- · Replies 12 ·
Undergrad Probability vs radial density-confusion
- cr7einstein
- · Replies 2 ·
Undergrad Wave Functions of Definite Momentum
- Jimmy87
- · Replies 41 ·
Undergrad Does the path Integral contain virtual particles?
- friend
- · Replies 21 ·
Undergrad Probability of Staying in x<0 for Superposition of 2 Gaussians
- WWCY
- · Replies 10 ·
Graduate Topological Quantum Field Theory: Help reading a paper
- nateHI
- · Replies 1 ·
Undergrad Where Does the Energy Go in a Quantum System with 3 Possible Measurements?
- romsofia
- · Replies 8 ·
Undergrad Can a wave-function be a combination of states with different energies?
- dRic2
- · Replies 18 ·
Undergrad Amplitude to go from one state to another
- Opus_723
- · Replies 9 ·
Undergrad Will a uniform magnetic field be considered as measurment?
- Adel Makram
- · Replies 35 ·
High School Alain Aspect's experiment setting
- Joao
- · Replies 17 ·
High School Is energy the same as matter in physics?
- jubalsquirrelly
- · Replies 7 ·
Undergrad Berry phase, Bra-Ket and gradient
- Lucy166
- · Replies 5 ·
Undergrad What is the Conservation of Information in Quantum Mechanics?
- Samo_phy
- · Replies 19 ·
Undergrad Measurement of a particle's position using photons
- Frank Castle
- · Replies 10 ·
High School Electron gyromagnetic ratio & lattice qft
- star apple
- · Replies 12 ·
Undergrad What is "unitary evolution" of something in physics?
- Suekdccia
- · Replies 1 ·
Graduate A question about the information loss paradox
- kdv
- · Replies 16 ·
Undergrad Why there must be a way of including gravity into a quantum theory?
- Tio Barnabe
- · Replies 14 ·
Insights Introduction to Perturbative Quantum Field Theory - Comments
- Urs Schreiber
- · Replies 108 ·
High School Can Fermions Exhibit Negative Chemical Potential Like Bosons?
- Vrbic
- · Replies 5 ·
High School Reflection of light from the mirror
- Vrbic
- · Replies 3 ·
High School What is the Meaning of Abstraction in Modern Physics?
- Ken Ucarp
- · Replies 14 ·
Graduate What does it mean for the Hamiltonian to not be bounded?
- Turbotanten
- · Replies 5 ·
High School Understanding Measurements / Collapse
- 1977ub
- · Replies 49 ·
High School How do particles become entangled?
- ISamson
- · Replies 16 ·
Undergrad Double sided arrow notation in Dirac Field Lagrangian
- TAKEDA Hiroki
- · Replies 1 ·
Undergrad Under what conditions do the Zeno and anti Zeno effects occur?
- Trollfaz
- · Replies 1 ·
Undergrad Quantum entanglement, wave-function collapse
- Tara Sunray
- · Replies 13 ·
Graduate General definition of interferences clarification
- Leo1233783
- · Replies 2 ·
Undergrad Hermitian Operators: Referencing Griffiths
- WWCY
- · Replies 14 ·
Undergrad How Does Shankar Transition from Sums to Integrals in Feynman Path Integrals?
- Opus_723
- · Replies 2 ·
High School Schroedinger Equation and Hamiltonian
- mieral
- · Replies 41 ·
Undergrad Are RF Photons Present in NMR Spectroscopy?
- Frank Peters
- · Replies 13 ·
Graduate Pilot Wave Theory & Non-Locality
- sanman
- · Replies 23 ·
High School Inner product of functions of continuous variable
- Ibraheem
- · Replies 7 ·
Undergrad Contour integral from "QFT for the gifted amateur"
- marcom
- · Replies 8 ·
Undergrad Invariant element integrand
- Tio Barnabe
- · Replies 4 ·
Undergrad Multiplying wavefunction with complexnumber.
- olgerm
- · Replies 7 ·
Undergrad 1s orbital overlaps with the nucleus, why don't they interact?
- rumborak
- · Replies 11 ·
Undergrad Trying to understand Dirac Hamiltonian
- Tio Barnabe
- · Replies 5 ·
Undergrad Can Electric Fields Affect the Unruh Temperature of Vacuum Fluctuations?
- jcap
- · Replies 3 ·
High School Teacher needs help: Bra–ket notation for parabolas?
- whitsona
- · Replies 10 ·
Undergrad Is the fine structure constant the biggest myth ever?
- Tio Barnabe
- · Replies 7 ·
Graduate Qualitative Explanation of Density Operator
- astrofunk21
- · Replies 2 ·
High School Is Quantum Foam the Key to Understanding Unifying Theories?
- sirios
- · Replies 2 ·
Undergrad Does Conscious Observation Affect the Outcome of the Double-Slit Experiment?
- bobos1997
- · Replies 12 ·
Graduate Relativity implies antimatter?
- angus podgorny
- · Replies 8 ·
High School Dual meaning of "measurement" in QM
- zonde
- · Replies 12 ·
Graduate ‘Transverse Field Ising Spin’-compatible Super Hamiltonian
- ProgrammingGodJordan
- · Replies 1 ·
Undergrad Does slowing light with a BEC change any of its properties?
- AamsterC2
- · Replies 5 ·
Undergrad Is the Quantum Eraser Experiment Misunderstood in Pop Science?
- Trollfaz
- · Replies 1 ·
High School Entanglement: How Does it Work and Its Implications in Everyday Life?
- nnope
- · Replies 79 ·
High School What is the energy of virtual particles in a vacuum?
- sirios
- · Replies 3 ·
High School Quantum Mechanics & Parallel Universes: No-Cloning Rule
- Lunct
- · Replies 4 ·
Undergrad Can Different Multiplications of ψ(x) and Φ(t) Result in Solutions to TDSE?
- yosimba2000
- · Replies 13 ·