Conservation laws in the quantum mechanics of closed systems.

  title={Conservation laws in the quantum mechanics of closed systems.},
  author={Hartle and Laflamme and Marolf},
  journal={Physical review. D, Particles and fields},
  volume={51 12},
  • Hartle, Laflamme, Marolf
  • Published 1995
  • Physics, Medicine
  • Physical review. D, Particles and fields
  • We investigate conservation laws in the quantum mechanics of closed systems and begin by reviewing an argument that exact decoherence implies the exact conservation of quantities that commute with the Hamiltonian. However, we also show that decoherence limits the alternatives that can be included in sets of histories that assess the conservation of these quantities. In the case of charge and energy, these limitations would be severe were these quantities not coupled to a gauge field. However… CONTINUE READING
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