Quantum Physics Forum

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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

A Universal quantum physics
How is the 4-momentum 4-vector defined in relativistic QM?
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Why do we have the Heisenberg principle?
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The physical meaning of Schrödinger's equation
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Looking for resources to do with energy transfer.
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Solving Shrodinger Eqn for Constrained System: Negative Energy Levels?
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What is the relationship between Special Relativity and Quantum Mechanics?
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Understanding Expectation Value in Quantum Mechanics: A Closer Look
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One-dimensional box of some width with a particle inside
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Wave Function Zero At Infinity?
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Can Quantum Tunneling Explain the Proton's Energy Source?
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Grover's algorithm on entangled states
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How close are mankind to creating a quantum computer?
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Matter Waves As Standing Waves
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Linearity of momentum operator
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Understanding the Compton Effect: Derivation of the Equation
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Graviton energy and frequency/wavelength?
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Viruses and Quantum Mechanical Spreading
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Probability Wave Function Ψ(r,t): Time Independence
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Why do different frequency EM Waves behave different ?
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Trace in statistical mechanics
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Uncertainty Principle: Position Uncertainty of Electrons
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Separating Hamiltonian functions. Helium atom.
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Total Angular Momentum of Many Particles
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Connecting n-Point Functions, Feynman Diagrams & S-Matrix
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Self-taught Quantum Field Theory
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Group Theory Q: Deriving (10.80) Detail Calc
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Calculating Non-abelian Anomalies: Who Can Do It?
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Explaining Basic Quantum Mechanics to Unkraut
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Shifting Constraints in the Particle in a Box System
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QFT: Invariant Measures & Rotational Invariance Explained
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Observation and the Double Slit Expt
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Is There a Conflict Between Quantum Entanglement and Special Relativity?
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Does a Static Charge in a Classical Field Constantly Lose Energy?
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The Photoelectric Effect, Photon Duality, and The Double-Slit Experiment
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Does Quantum Mechanics Apply to All Scales of Reality?
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Quick Braket Questions: A|B> & <B|A
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Struggling with Angular Momentum in Spherical Coordinates?
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Question regarding Schroedinger's Equation
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Hamiltonian in terms of ladders, question.
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Quantum Network and Quantum Imaging
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What is the operator for velocity in spherical coordinates?
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2.)energy Density Of Radiations
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3.)tunnel and photoelectric effects
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Quantum Computing: Large Chance of Getting Desired Output?
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Can one photon be anywhere in Universe?
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Measuring Quantum State: Solving for a Specific Value of a Unitary Function
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Does Light Have Mass? Friend Debate
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Mean lifetime of a particle (quantum)
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Abstract Schrödinger's equation in QFT
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Can vacuum be considered as excitable medium?
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Spectral Zeta function
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Why Are Electrons Considered Point Particles in Magnetic Moment Studies?
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Operator and Commutor Question
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What is the Bessel-Parseval relation and how does it work?
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Another photoelectric effect related question
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Difference Equation: Explained & Derived - QM1
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Show that a wave function is correctly normalised?
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Technical question about Nikolic' Quantum Myths
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Understanding Fourier Transform: A Beginner's Guide
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QFT and Electrons: Is Instantaneous Orbital Change Possible?
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Understanding "Borrowed Energy" in Quantum Mechanics
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Strange definition of regularization of Operators
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Heisenbergs Uncertainty for light
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Understand Uncertainty Principle in a Week
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Argument about inteference experiments : help me win
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Beginner to Braket State Vectors
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Recognizing a product of two 3d rotations (matrices)
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Uncertainty Principle logic help
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Dopler Shift and Photon Number
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Help about the exchange energy
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Eigenstates, Eigenblahs, and Eigenpoofs? HELP O.O
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Propagator/transition amplitude through intermediate integrations
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Can E and B Be Eigenfunctions of a Differential Operator?
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Understanding Renormalization in Quantum Mechanics: Examples and Context
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Frequency: What is it? Questions about Frequency, Doppler Effect and Mass
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Ladder Operator/hermiticity
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What are the Consequences of Varying Planck's Constant?
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Quantum Wave Function: Dependency & Increment Mystery
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How abou the hidden variable theory?
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Weak Field Tensor: Explained by Ben
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Tunneling through a PE barrier
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Solve "And God Said" Equation on Postcard | D
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How to prove Coleman's formula for the ratio of two determinants?
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Double slit electron experiment
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What is the meaning of the lower case i in the Schrodinger equation?
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QM calculation of vacuum energy
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What Causes Quantum Foam to Form at a Sub-Planck Level?
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Let's get it right about Electron Waves
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The magnetic field in Stern-Gerlach
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Quantum myth 4: The only reality is the measured reality
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Why did Schrodinger call his equation eigenvalue problem?
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Calculating Time Evolution of Density Matrix
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Quantum Entanglement: What Happens & Why?
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Temperature and quantum physics
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The title? (one of Dirac's books)
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Red Light in Darkrooms: Benefits for Photographic Film
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Stern Gerlach Gradient Field Strength
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Psi^4 Theory: A Fermion with Quartic Self-Interaction
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Question on quadratic fluctuations in the path integral formalism
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FTL Communication-Best Candidate?
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