ghost condensate
(particle physics) The proposed situation in which a ghost (an excitation of a field with a wrong sign of the kinetic term) acquires a vacuum expectation value, spontaneously breaking Lorentz invariance.
plural of declaring
Any sponge of the family Pseudoceratinidae
Third-person singular simple present indicative form of tile
理論的研究は、運動項の符号が逆の場の励起であるゴーストが真空期待値を取る凝縮状態が、低エネルギーでの不安定性やローレンツ不変性の自発的破れを引き起こし得ることを示唆している。
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