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  2. Triplet state - Wikipedia

    en.wikipedia.org/wiki/Triplet_state

    In quantum mechanics, a triplet state, or spin triplet, is the quantum state of an object such as an electron, atom, or molecule, having a quantum spin S = 1. It has three allowed values of the spin's projection along a given axis m S = −1, 0, or +1, giving the name "triplet".

  3. Triple point - Wikipedia

    en.wikipedia.org/wiki/Triple_point

    In thermodynamics, the triple point of a substance is the temperature and pressure at which the three phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium. [1] It is that temperature and pressure at which the sublimation , fusion , and vaporisation curves meet.

  4. Three-state logic - Wikipedia

    en.wikipedia.org/wiki/Three-state_logic

    In digital electronics, a tri-state or three-state buffer is a type of digital buffer that has three stable states: a high voltage output state (logical 1), a low output state (logical 0), and a high-impedance (Hi-Z) state. In the Hi-Z state, the output of the buffer is effectively disconnected from the subsequent circuit.

  5. Multiplicity (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Multiplicity_(chemistry)

    When S > L there are only 2L+1 orientations of total angular momentum possible, ranging from S+L to S-L. [2] [3] The ground state of the nitrogen atom is a 4 S state, for which 2S + 1 = 4 in a quartet state, S = 3/2 due to three unpaired electrons. For an S state, L = 0 so that J can only be 3/2 and there is only one level even though the ...

  6. What is the state pension triple-lock – and how could it ...

    www.aol.com/pension-triple-lock-could-means...

    What is the state pension triple lock? The triple-lock guarantee, first implemented in 2011, means the state pension increases year-on-year by the highest of three measures. These are:

  7. List of tripoints of U.S. states - Wikipedia

    en.wikipedia.org/wiki/List_of_tripoints_of_U.S...

    This is a list of all tripoints in which the boundaries of three (and only three) U.S. states converge at a single geographic point. Of the 60 such points, 36 are on dry land and 24 are in water. [1]

  8. Singlet state - Wikipedia

    en.wikipedia.org/wiki/Singlet_state

    The ability of positronium to form both singlet and triplet states is described mathematically by saying that the product of two doublet representations (meaning the electron and positron, which are both spin-1/2 doublets) can be decomposed into the sum of an adjoint representation (the triplet or spin 1 state) and a trivial representation (the ...

  9. Tri-state area - Wikipedia

    en.wikipedia.org/wiki/Tri-state_area

    Tri-state area [1] [2] is an informal term in the United States which can refer to any of multiple areas that lie across three states. When referring to populated areas, the term implies a shared economy or culture among the area's residents, typically concentrated around a central metropolis.