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Quantum field theory: Quiz

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Question 1: However, in order for a well-defined ________ operator to exist, one must introduce a new field, the gauge field, which also transforms in order for the local change of variables (the phase in our example) not to affect the derivative.
DerivativeCalculusIntegralDifferential calculus

Question 2: These are precisely the relations obeyed by the ladder operators for an infinite set of independent ________, one for each single-particle state.
Quantum harmonic oscillatorQuantum field theorySchrödinger equationQuantum mechanics

Question 3: In this section, we will describe a method for constructing a quantum field theory called ________.
Quantization (physics)Dirac equationCanonical quantizationPropagator

Question 4: It turns out that a different definition of creation and annihilation must be used for describing ________.
QuarkBosonFermionElementary particle

Question 5: ________ acting on the Fock space.
Eigenvalue, eigenvector and eigenspaceVector spaceLinear mapDual space

Question 6: Unfortunately, it proved extraordinarily difficult to show that any realistic field theory, including the ________, satisfied these axioms.
Particle physicsStandard ModelPhotonQuark

Question 7: Over the past several decades, there have been many attempts to put quantum field theory on a firm mathematical footing by formulating a set of ________ for it.
Set theoryAxiomMathematical logicAxiomatic system

Question 8: (In fact, this type of Hamiltonian is used to describe interaction between conduction electrons and phonons in ________.
Noble gasNonmetalHalogenMetal

Question 9: For example, a quantum theory of the ________ must be a quantum field theory, because it is impossible (for various reasons) to define a wavefunction for a single photon.
Maxwell's equationsElectromagnetic radiationElectromagnetismElectromagnetic field

Question 10: From the point of view of quantum field theory, particles are identical ________ they are excitations of the same underlying quantum field.
If and only ifLogical connectivePropositional calculusFirst-order logic







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