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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 ...

    Dec 18, 2025 · 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. 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 …

  4. Quantum Mechanics - Stanford Encyclopedia of Philosophy

    Nov 29, 2000 · It will serve an excellent primary text on the foundations of quantum mechanics for philosophy students, and will also make an excellent supplement to the standard quantum physics …

  5. Quantum Mechanics - Learn Physics

    What is Quantum Mechanics? Quantum mechanics is a branch of physics that deals with the behavior of particles on the smallest scales—such as atoms, electrons, and photons.

  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 ...

    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.