Test of equivalence principle for particles with spin

1978/10/15 by Asher Peres · 50 citations
Physics and Astronomy · Mathematics · #Noncommutative and Quantum Gravity Theories #Cosmology and Gravitation Theories #Black Holes and Theoretical Physics #Equivalence (formal languages) #Spins #Equivalence principle (geometric) #Physics #Spin (aerodynamics) #Simple (philosophy) #Dirac equation #Quantum mechanics #Theoretical physics #Mathematical physics #Mathematics #Condensed matter physics #Pure mathematics

paper · doi:10.1103/physrevd.18.2739

published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 18(8), 2739-2740 (American Physical Society)

openalex publication_date 1978/10/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We consider a simple modification of the Dirac equation, such that spin-1/2 particles violate the equivalence principle, but the latter is restored by averaging over spins. An experiment is suggested to test the existence of such an effect.

Citations

• Mach's Principle and a Relativistic Theory of Gravitation
• Observation of Gravitationally Induced Quantum Interference

Cited by

• Spin, Gravity, and Inertia
• Spin-torsion coupling and gravitational moments of Dirac fermions: Theory and experimental bounds
• Zero-point energy [wikipedia]