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- Title
Entangled spinning particles in charged and rotating black holes.
- Authors
Robledo-Padilla, Felipe; Garcıa-Compeán, Hugo
- Abstract
Spin precession for an Einstein-Podolsky-Rosen pair of spin-1/2 massive particles in equatorial orbits around a Kerr-Newman black hole is studied. Hovering observers are introduced to ensure static reference frames to measure or prepare the spin state. These observers also guarantee a reliable direction to compare spin states in rotating black holes. The velocity of the particles due to frame-dragging is explicitly incorporated by addition of velocities with respect the hovering observers and the corresponding spin precession angle is computed. The spin-singlet state is proved to be mixed with the spin-triplet by dynamical and gravity effects, thus it is found that a perfect anticorrelation of entangled states for these observers is explicitly deteriorated. Finally, an analysis concerning the different limit cases of parameters of spin precession including the frame-dragging effects is carried out
- Subjects
QUANTUM entanglement; PARTICLE physics; BLACK holes; NUCLEAR spin; EINSTEIN-Podolsky-Rosen paradox; EQUATORIAL satellites
- Publication
Physics Essays, 2013, Vol 26, Issue 1, p86
- ISSN
0836-1398
- Publication type
Article
- DOI
10.4006/0836-1398-26.1.86