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  1. Quantum mechanics - Wikipedia

    Quantum mechanics is the fundamental physical theory that describes the behavior of matter and of light; its unusual characteristics typically occur at and below the scale of atoms. [2]: 1.1 It is the …

  2. Quantum mechanics | Definition, Development, & Equations | Britannica

    Jan 30, 2026 · Quantum mechanics, science dealing with the behavior of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms …

  3. quantum mechanics - The Feynman Lectures on Physics

    Chapter 1. Quantum Behavior Chapter 2. The Relation of Wave and Particle Viewpoints Chapter 3. Probability Amplitudes Chapter 4. Identical Particles

  4. What is Quantum Mechanics? Understanding the Basics and Its …

    Mar 30, 2025 · Quantum mechanics, or quantum physics, is one of the most profound and enigmatic fields in science. It governs the behavior of matter and energy on the smallest scales—the atomic …

  5. CH 231: Physical Chemistry I, Quantum Mechanics

    First semester of Physical Chemistry covers quantum mechanics, atoms, molecules and spectroscopy.

  6. Science 101: Quantum Mechanics - Argonne National Laboratory

    The field of quantum mechanics deals with the most fundamental bits of matter, energy and light and the ways they interact with each other to make up the world.

  7. Quantum mechanics: Definitions, axioms, and key concepts of quantum ...

    Apr 29, 2024 · Quantum mechanics, or quantum physics, is the body of scientific laws that describe the wacky behavior of photons, electrons and the other subatomic particles that make up the universe.

  8. Quantum mechanics - Institute of Physics

    In our Explore Physics series, we delve into the quirky universe of Quantum mechanics where objects behave as both particles and waves.

  9. DOE Explains...Quantum Mechanics - Department of Energy

    Quantum mechanics is the field of physics that explains how extremely small objects simultaneously have the characteristics of both particles (tiny pieces of matter) and waves (a disturbance or variation …

  10. The Copenhagen Interpretation: What Quantum Mechanics Really …

    3 days ago · Understand the Copenhagen interpretation of quantum mechanics. Explore how Bohr and Heisenberg explained measurement, superposition, and wave function collapse.