Definition

1. Noun:
   • A fundamental concept in quantum mechanics: "wave-particle duality" is the property of matter and electromagnetic radiation (like light) where they exhibit characteristics of both waves and particles. This means their behavior can sometimes be best explained by wave theory and at other times by particle theory.

Usage Examples

• Noun:
  • The wave-particle duality of electrons is demonstrated in the double-slit experiment.
  • Understanding wave-particle duality is essential for studying quantum physics.
  • Light exhibits wave-particle duality, behaving as a wave in interference patterns and as a particle (photon) in the photoelectric effect.

Advanced Usage

• "To demonstrate wave-particle duality": to show evidence of this dual nature through experiment.
  • The Davisson-Germer experiment helped demonstrate the wave-particle duality of electrons.
• "The principle of wave-particle duality": refers to the core theoretical concept.
  • The principle of wave-particle duality challenges classical notions of physics.

Variants and Related Words

• Duality (n): The quality or state of having two parts or aspects.
  • The duality of his nature made him both a hero and a villain.
• Wave nature (n phrase): The aspects of a system's behavior explained by wave theory.
• Particle nature (n phrase): The aspects of a system's behavior explained by particle theory.

Synonyms

• Dual nature: A state of having two distinct characters or aspects.
• Quantum duality: Specifically refers to this duality in the context of quantum theory.

Related Phrases

• Complementarity principle: A related concept introduced by Niels Bohr, stating that objects have complementary properties which cannot be observed or measured simultaneously.
  • The complementarity principle is closely linked to the idea of wave-particle duality.

Noun

1. (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory