Which of the following statements about the solutions of the Dirac equation are correct? Select all which are correct. Oa. A particle with positive energy travelling backwards in time is mathematically equivalent to an antiparticle with positive energy travelling forwards in time. Ob. If t denotes time, E denotes the energy of a particle and Q denotes its charge, then the plane wave solutions are invariant under (E, t, Q) → (–E, —t, —Q). O c. A particle with negative energy travelling backwards in time is mathematically equivalent to a particle with positive energy travelling forwards in time. Od. A particle with positive energy travelling backwards in time is mathematically equivalent to an antiparticle with negative energy travelling forwards in time. Oe. A particle with negative energy travelling backwards in time is mathematically equivalent to an antiparticle with positive energy travelling forwards in time. 0 f. If t denotes time, E denotes the energy of a particle and Q denotes its charge, then the plane wave solutions are invariant under (E, t, Q) → (–E, −t, Q).
Which of the following statements about the solutions of the Dirac equation are correct? Select all which are correct. Oa. A particle with positive energy travelling backwards in time is mathematically equivalent to an antiparticle with positive energy travelling forwards in time. Ob. If t denotes time, E denotes the energy of a particle and Q denotes its charge, then the plane wave solutions are invariant under (E, t, Q) → (–E, —t, —Q). O c. A particle with negative energy travelling backwards in time is mathematically equivalent to a particle with positive energy travelling forwards in time. Od. A particle with positive energy travelling backwards in time is mathematically equivalent to an antiparticle with negative energy travelling forwards in time. Oe. A particle with negative energy travelling backwards in time is mathematically equivalent to an antiparticle with positive energy travelling forwards in time. 0 f. If t denotes time, E denotes the energy of a particle and Q denotes its charge, then the plane wave solutions are invariant under (E, t, Q) → (–E, −t, Q).
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Transcribed Image Text:Which of the following statements about the solutions of the Dirac equation are correct? Select all which are correct.
0 a. A particle with positive energy travelling backwards in time is mathematically equivalent to an antiparticle with positive energy travelling forwards in time.
Ob. Ift denotes time, E denotes the energy of a particle and Q denotes its charge, then the plane wave solutions are invariant under (E, t, Q) → (−E, −t, −Q).
O c. A particle with negative energy travelling backwards in time is mathematically equivalent to a particle with positive energy travelling forwards in time.
O d. A particle with positive energy travelling backwards in time is mathematically equivalent to an antiparticle with negative energy travelling forwards in time.
A particle with negative energy travelling backwards in time is mathematically equivalent to an antiparticle with positive energy travelling forwards in time.
If t denotes time, E denotes the energy of a particle and Q denotes its charge, then the plane wave solutions are invariant under (E, t, Q) → (—E, −t, Q).
☐e.
f.
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