scholarly journals Two-spin and multi-spin quantum entanglement in V12 polyoxovanadate molecular nanomagnet

2021 ◽  
pp. 168782
Author(s):  
K. Szałowski
Keyword(s):  
Quantum Entanglement ◽  
Spin Quantum

Implementation of molecular spin quantum computing by pulsed ENDOR technique: Direct observation of quantum entanglement and spinor

2007 ◽  
Vol 40 (2) ◽  
pp. 363-366 ◽  
Author(s):  
Kazunobu Sato ◽  
Robabeh Rahimi ◽  
Nobuyuki Mori ◽  
Shinsuke Nishida ◽  
Kazuo Toyota ◽  
...  
Keyword(s):  
Quantum Computing ◽  
Quantum Entanglement ◽  
Direct Observation ◽  
Spin Quantum ◽  
Molecular Spin

The Research of Qubit-Field System Quantum Entanglement under J-C Model

2012 ◽  
Vol 203 ◽  
pp. 464-468
Author(s):  
Zuo Peng Chen ◽  
Jin Ran Gao
Keyword(s):  
Sudden Death ◽  
Quantum Entanglement ◽  
Taylor Expansion ◽  
Quantum Correlations ◽  
Field System ◽  
Spin Quantum ◽  
System Quantum ◽  
Atom System

In this article we plan to get a equation about the concurrence. We select the J-C model, then introduce the double-cavity and double-atom system in this model, and consider the two-atom entanglement. By using the Taylor expansion to calculate the quantum correlations concurrence in this system. Finally we deduce this equation which can predict the sudden death and rebirth of the spin quantum entanglement.

scholarly journals Gravity as An Explanation of Spin Measurement in Quantum Entanglement: Possible Timeless State of the Universe

2020 ◽  
Author(s):  
Ahmed Farag Ali
Keyword(s):  
Quantum Entanglement ◽  
Quantum Particle ◽  
Black Hole Entropy ◽  
Geometric Interpretation ◽  
Gravity Measurement ◽  
Spin Quantum ◽  
Spin Quantum Number ◽  
Inertial Frames ◽  
The Difference ◽  
The Universe

We investigate the matching point between non-inertial frames and local inertial frames. This localization of gravity lead to an emergence of a timeless state of the universe in a mathematically consistent way. I find a geometric interpretation of the speed of light and mass. I find also a relation between every mass measured and the black hole entropy which introduces an information-matter equation from gravity. The experimental evidence of the timeless state of the universe is the quantum entanglement. Since the spin measurement is the manifestation of quantum entanglement measurement. Therefore, the spin of quantum particle can be understood as a relative gravitational red-shift. Therefore the spin quantum number is understood as a quantum gravity measurement in local inertial frames. We introduce also guidance that leads to the least computations of gravitational measurement which is achieved when the ratio equal to the difference.

Topological Quantum Entanglement

2014 ◽  
Author(s):  
Sankar Das Sarma ◽  
Michael Freedman ◽  
Victor Galitski ◽  
Chetan Nayak ◽  
Kirill Shtengel
Keyword(s):  
Quantum Entanglement ◽  
Topological Quantum
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