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 In essence, the symmetry of the interaction is broken by the ground state. Adrian Cho, Science | AAAS, "Philip Anderson, legendary theorist whose ideas shaped modern physics, dies," 30 Mar. 2020 Kentucky is a stand-your-ground state, which allows deadly force when someone is violently attacked. NBC News, "Charges against Breonna Taylor's boyfriend dropped for now," 23 May 2020 In addition, all of that hardware has to be kept extremely cold—within a tiny fraction of a percent of absolute zero—in order to keep these relatively large objects near their quantum ground state. John Timmer, Ars Technica, "New entry in commercial quantum computing, using entirely different tech," 3 Mar. 2020 By choosing the energy of the protons correctly, Beryllium in a particular excited state is produced, which quickly decays back to its ground state by emitting an electron and a positron. Chris Lee, Ars Technica, "New boson appears in nuclear decay, breaks standard model," 20 Dec. 2019 As one of the first ways to use NISQ machines, VQE had an immediate impact, and teams have used it on several quantum computers to find molecular ground states and explore the magnetic properties of materials. Michael Brooks, Scientific American, "Beyond Quantum Supremacy: The Hunt for Useful Quantum Computers," 3 Oct. 2019 Aspelmeyer’s team has only forced the bead into its motional ground state along one dimension, not all three. Sophia Chen, Wired, "A Tiny Glass Bead Goes as Still as Nature Allows," 30 Jan. 2020 Bloomberg will skip the first four voting states and instead focus on delegate rich Super Tuesday states and some Midwestern battle ground states won by President Donald Trump in the 2016 election. Timothy Perry, CBS News, "Former NFL player Dhani Jones endorses Mike Bloomberg for president," 23 Jan. 2020 Wilczek wondered whether, through similar physics, a system could have a ground state that repeated in some measurable way in time instead of in space. Adrian Cho, Science | AAAS, "Back to the future: The original time crystal makes a comeback," 27 Nov. 2019

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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Time Traveler for ground state

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The first known use of ground state was in 1926

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Last Updated

11 Jun 2020

Cite this Entry

“Ground state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ground%20state. Accessed 10 Jul. 2020.

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