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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.

Quantum Interpretations and Foundations

Graduate Universal quantum physics
Undergrad Prove that information is either increasing or remaining constant with time.
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Graduate Violation of uncertainty principle?
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Article: Faked States mimic quantum entanglement
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Graduate Does a symmetry of Lagrangian reserve in each Feynman diagram?
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Graduate Deriving Wien's Law from Planck's Formula
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High School Need an explanation of shells in layman's terms
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Graduate Is mass something that is uncertain ?
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Graduate What are the fundamental concepts and axioms of quantum mechanics?
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Graduate What Is the Source of Spin-Orbit Coupling in the Hydrogen Atom?
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Graduate Does a single electron transistor really need the tunneling junctions?
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Graduate What is the Relationship Between K-Space and Momentum Space in Crystals?
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Graduate Second quantization question: one particle or n particle?
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Graduate QM Particles and their space boundaries
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Graduate Schrödinger's equation to Dirac's
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Graduate Displacement Operator: Explaining Dirac's Equality
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Graduate Scalar field as quantum operator.
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Graduate Is a finite function with finite Fourier transform possible?
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Graduate How does the commutator of fields relate to causality?
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Graduate Quantum Coherence in Transmembrane Proteins?
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Graduate Calculating the energy-momentum tensor for Maxwell Lagrangian
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Undergrad What causes the polarization effect in optics?
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Graduate Can we understand neutrinos as information?
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Graduate Not following one step for Ehrenfest's theorem
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Graduate On the complementarity principle
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Graduate Scope of Hilbert Space of a System?
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Graduate Can increasing the potential width α decrease the coupling constant λ?
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Graduate A 'Classical' object behaving Quantum?
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Graduate Standing Waves and Radiation Emission
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Graduate Quantum numbers in wikipedia's table
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Graduate Lorentz Transformation of Fields
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Graduate Commuting of Operators: Particle in Box in 1D with H & H1
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Graduate Multi-Photon Laser Output: Independence & Tensor Product
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Graduate What is so special about quantum entanglement?
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Graduate Second Quantization: Motivation & Field Operators
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Graduate What other experimental evidence exists for entanglement?
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Graduate Why Planck Scale? Reasons & String Theory
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Graduate Why the carrying force fields must be the fields of Boson particles?
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Graduate Density matrix's non-diagonal components
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Graduate Can anyone recommend a text on quantum mechanics based on commutators?
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Graduate Quantum Eraser and Its Implications
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Graduate Quantum Levitation: Examining Effects of Aerogel
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Graduate Verification of probabilities for various states
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Graduate How do you integrate the Hopf term in 2+1 dimensions?
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Graduate Zeeman effect, something I'm not understanding, about history
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Graduate I want to understand positive operator valued measures in QM
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Graduate Questions regarding a paradox.
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Graduate Why Can't Free-Particle Wave Functions Be Normalized Over Their Entire Range?
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Graduate Quantum control of a looped beam.
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Graduate Normalization of a free particle quantum state
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Graduate Why wave function should goto 0 f faster than 1/sqrt(x) at infinity
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Graduate Photon Average Energy in a Cavity Resonator
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Graduate Learning Dirac Notation: Writing Hamiltonian for 3 States
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Graduate How Are Planck Time and the Expression \(\sqrt{\frac{\hbar c^5}{G}}\) Related?
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Graduate Does Quantum Mechanics Allow for a Time Operator?
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Graduate Is the Uncertainty Principle affected by the number of particles in a system?
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Undergrad Two hydrogen atom with same spin can form H_2?
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Graduate What is an Observer in Quantum Physics?
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Graduate Proving Shouten identity in QFT
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Graduate Classically predicted ionisation energy of H
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Graduate Wavepacket Dispersion and how this links to particle behaviour
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Graduate The quantomic oscillator's amplitude
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Graduate Why does Lagrangian in QFT only include first order derivative of field?
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Graduate Understanding the Significance of Eigenvalues in Quantum Mechanics and Physics
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Graduate What corresponds to a static field in QFT
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Graduate How Does Polarization Relate to Photon Degeneracy?
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Graduate Heisenburg's Uncertainty Principal and the definition of randomness
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Graduate What is the physical system that follows the Pauli exclusion principle?
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Graduate Quantum entanglement and wireless electricity
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Graduate 1st order pertubation on 2 level system
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Graduate Could Zero-Point Energy Be Weaponized?
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Graduate 1st order Pertubation energy and wavefunction
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Undergrad Light intensity and polarization
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Graduate Position and Momentum Operators
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Graduate If all states are stationary, what causes atoms to radiate then?
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Graduate My personal criticism to Quantum theory and Human conscience
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Graduate Fine structure correction in H atom
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Graduate 2 Time Dimension in the Quantum Realm?
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Graduate Why Consider Our Position Between Past and Future in Quantum Physics?
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Graduate Solution of Schrodinger equation for free electron
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High School Does light lose any any energy in a vacuum?
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Graduate Need a book that explains linear vector space
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Graduate Pesking & Schroeder Eqn 3.18 (Lorentz algebra)
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Graduate Updates on Penrose Quantum Mirror Experiment
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Graduate Pauli Matrices: Calculating Expression
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Graduate Misunderstanding about measuring the spin of the electron
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Graduate Scattering theory - Regular solution
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Graduate Is light a photon or a wave? (concrete question)
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Graduate Help Solve a Puzzling Two-Level Atom Problem
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Graduate Are Units Truly Fundamental in Physics According to Duff's Theory?
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Graduate Do Gravitons Attract Other Gravitons?
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Graduate Can neutrons be used to stablize other particles?
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Graduate Is the following correct about virtual particles
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Graduate Hamiltonian with position spin coupling
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Graduate How Virtual Particles Give Rise to the electromagnetic force
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Graduate Wigner Matrix or Wigner D-Matrix?
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Undergrad Do Electrons Behave Like Bar Magnets?
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Graduate Poker Entanglement: Is Quantum Mechanics the Key to Winning?
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Graduate Electronic Excitation: Absorbing and Re-emitting Photons
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Graduate Entanglement & GR: Can We Measure Universe Info?
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Graduate Feynman's QED: Is it Still Relevant Today?
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