Ostrogradsky instability 1970-01-01
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Partial differential equation 1970-01-01
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Pendulum (mechanics) 1970-01-01
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Perturbation theory 1970-01-01
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Perturbation theory (quantum mechanics) 1970-01-01
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Point source 1970-01-01
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Poisson's equation 1970-01-01
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Potential theory 1970-01-01
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Pregeometry (physics) 1970-01-01
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Projection method (fluid dynamics) 1970-01-01
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Propagator 1970-01-01
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Quantization (physics) 1970-01-01
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Quantum field theory 1970-01-01
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Quantum geometry 1970-01-01
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Quantum spacetime 1970-01-01
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Quantum speed limit 1970-01-01
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Quantum triviality 1970-01-01
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Radius of convergence 1970-01-01
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Random matrix 1970-01-01
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Rarita–Schwinger equation 1970-01-01
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