ground state

noun

Definition of ground state

: the state of a physical system (as of an atomic nucleus or an atom) having the least energy of all the possible states

called also ground level

Examples of ground state in a Sentence

Recent Examples on the Web

The ground state is where the atom normally resides. Chris Lee, Ars Technica, "Rough-and-ready quantum memory may link disparate quantum systems," 9 Nov. 2018 The result is that, on average, the atom is never quite in the ground state. Chris Lee, Ars Technica, "Single atoms sit still on a hot plate, may yield new quantum tech," 10 Sep. 2018 For both the excited states and the ground states, the energy difference between the two spin states is small enough that a sound vibration can flip the spin and change the qubit state. Chris Lee, Ars Technica, "Straining a diamond makes silicon-based qubit behave," 20 Sep. 2018 The state and energy are read out and used to contrive a new guess for the ground state configuration. Chris Lee, Ars Technica, "Quantum computers reach deeper, find ground state of simple hydrides," 14 Sep. 2017 This kept the excited structure from relaxing back down to a ground state without emitting photons. Beth Mole, Ars Technica, "The dye whisperer: Meet the chemist giving biologists worldwide new colors," 10 Sep. 2017 Using this iterative algorithm, IBM’s quantum computer successfully calculated the ground state energy of all three molecules, setting a world record for quantum simulation, the team reports today in Nature. Gabriel Popkin, Science | AAAS, "Quantum computer simulates largest molecule yet, sparking hope of future drug discoveries," 13 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ground state.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ground state

1926, in the meaning defined above

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Last Updated

20 Mar 2019

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The first known use of ground state was in 1926

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