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  2. Angular momentum coupling - Wikipedia

    en.wikipedia.org/wiki/Angular_momentum_coupling

    In atomic physics, spin–orbit coupling, also known as spin-pairing, describes a weak magnetic interaction, or coupling, of the particle spin and the orbital motion of this particle, e.g. the electron spin and its motion around an atomic nucleus. One of its effects is to separate the energy of internal states of the atom, e.g. spin-aligned and ...

  3. Coupled cluster - Wikipedia

    en.wikipedia.org/wiki/Coupled_cluster

    Coupled cluster (CC) is a numerical technique used for describing many-body systems.Its most common use is as one of several post-Hartree–Fock ab initio quantum chemistry methods in the field of computational chemistry, but it is also used in nuclear physics.

  4. Toric code - Wikipedia

    en.wikipedia.org/wiki/Toric_code

    Consider the creation of a pair of anyons followed by the transport of one around a topologically nontrivial loop, such as that shown on the torus in blue on the figure above, before the pair are reannhilated. The state is returned to the stabilizer space, but the loop implements a logical operation on one of the stored qubits.

  5. Hund's rules - Wikipedia

    en.wikipedia.org/wiki/Hund's_rules

    In atomic physics and quantum chemistry, Hund's rules refers to a set of rules that German physicist Friedrich Hund formulated around 1925, which are used to determine the term symbol that corresponds to the ground state of a multi-electron atom. The first rule is especially important in chemistry, where it is often referred to simply as Hund's ...

  6. What is St. Nicholas Day? How the German and Dutch holiday ...

    www.aol.com/st-nicholas-day-german-dutch...

    There are less than 20 days until Christmas, but St. Nicholas comes on Dec. 6. Here's what to know about the holiday.

  7. Chemical weapons use in Syria must be investigated, says watchdog

    www.aol.com/news/us-sees-assads-fall-chance...

    By Anthony Deutsch. AMSTERDAM (Reuters) -The head of the chemical weapons watchdog said on Thursday he would ask Syria's new leaders to grant investigators access to the country to continue work ...

  8. Quantum entanglement - Wikipedia

    en.wikipedia.org/wiki/Quantum_entanglement

    Quantum entanglement is the phenomenon of a group of particles being generated, interacting, or sharing spatial proximity in such a way that the quantum state of each particle of the group cannot be described independently of the state of the others, including when the particles are separated by a large distance.

  9. Lung Cancer Researcher Diagnosed with Stage 4 Disease ... - AOL

    www.aol.com/lung-cancer-researcher-diagnosed...

    December 5, 2024 at 9:08 AM. Stanford Medicine/Youtube. Bryant Lin. ... Lin has been teaching a class named "MED 275: From Diagnosis to Dialogue: A Doctor's Real-Time Battle with Cancer."