quantum jump
(quantum jump)
Princeton's WordNet
(physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum
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exclusion principle
(ɪkˈsklu ʒəˌnɪz əm)
Random House Webster's College Dictionary
the quantum-mechanical principle that no two identical particles having spin equal to half an odd integer can be in the same quantum state.
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wave mechanics
(wave mechanics)
Princeton's WordNet
the modern form of quantum theory; an extension of quantum mechanics based on Schrodinger's equation; atomic events are explained as interactions between particle waves
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quantum mechanics
(quantum mechanics)
Princeton's WordNet
the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)
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quanta
Webster Dictionary
of Quantum
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planck's constant
(ɑŋk)
Random House Webster's College Dictionary
a unit used in quantum mechanics that equals the ratio of the energy of a quantum of radiation to the frequency of the radiation, approximately 6.626 &xtimes; 10-34 joule second.
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qed
(æzˈvin)
Random House Webster's College Dictionary
quantum electrodynamics.
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qcd
(æzˈvin)
Random House Webster's College Dictionary
quantum chromodynamics.
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unified field theory
(ˌyu nə fɪˈkeɪ ʃən)
Random House Webster's College Dictionary
the quantum theory of electroweak interactions.
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quantal
(ˈkwɒn tl)
Random House Webster's College Dictionary
of or pertaining to quanta or to quantum mechanics.
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quantal
(quantal, quantized)
Princeton's WordNet
of or relating to a quantum or capable of existing in only one of two states
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quantized
(quantal, quantized)
Princeton's WordNet
of or relating to a quantum or capable of existing in only one of two states
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quantum physics
(quantum physics)
Princeton's WordNet
the branch of physics based on quantum theory
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degenerate
(ɪˈdʒɛn ər ə si)
Random House Webster's College Dictionary
(of quantum states of a system) having equal energy.
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quantum
(quantum)
Princeton's WordNet
a discrete amount of something that is analogous to the quantities in quantum theory
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quantization
(quantization, quantisation)
Princeton's WordNet
the act of dividing into quanta or expressing in terms of quantum theory
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quantisation
(quantization, quantisation)
Princeton's WordNet
the act of dividing into quanta or expressing in terms of quantum theory
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photon
(photon)
Princeton's WordNet
a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
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charm
(ʃɑrm)
Random House Webster's College Dictionary
Physics. the quantum property assigned to the charmed quark.
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graviton
(ˈgræv ɪˌtɒn)
Random House Webster's College Dictionary
the theoretical quantum of gravitation with a zero rest mass and charge and a spin of two.
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quantize
(ˈkwɒn taɪz)
Random House Webster's College Dictionary
to use quantum mechanics to calculate or express (the behavior of a physical system).
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shell
(ʃɛl)
Random House Webster's College Dictionary
any of the electron orbits in an atom having the same principal quantum number and about the same energy.
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quantum theory
(ˌkroʊ moʊ daɪˈnæm ɪks)
Random House Webster's College Dictionary
any theory that describes a force or field using the methods of quantum mechanics:
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quantum electrodynamics
(quantum electrodynamics, QED)
Princeton's WordNet
a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
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qed
(quantum electrodynamics, QED)
Princeton's WordNet
a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
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pauli exclusion principle
(Pauli exclusion principle, exclusion principle)
Princeton's WordNet
no two electrons or protons or neutrons in a given system can be in states characterized by the same set of quantum numbers
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exclusion principle
(Pauli exclusion principle, exclusion principle)
Princeton's WordNet
no two electrons or protons or neutrons in a given system can be in states characterized by the same set of quantum numbers
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phonon
(ˈfoʊ nɒn)
Random House Webster's College Dictionary
a quantum of sound or vibratory elastic energy, being the mechanical analogue of a photon.
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quantum electrodynamics
(ˌkroʊ moʊ daɪˈnæm ɪks)
Random House Webster's College Dictionary
(used with a sing. v.) the quantum-mechanical theory of the electromagnetic field and its interaction with electrons and positrons.
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supersymmetry
(ˌsu pərˈsɪm ɪ tri)
Random House Webster's College Dictionary
an abstract symmetry relating fermions and bosons, used as the basis for most quantum theories of gravitation.
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