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We demonstrate experimental evidence for non-instantaneous polarization decay in dielectrics. The few-femtosecond relaxation times agree favorable with solutions of the time-dependent Schrödinger equation and relate to resonances of the quantum mechanical dipole.
This paper reports that defect driven magnetism can be obtained at room temperature by optimizing metal ion concentration in bismuth ferrite (BFO) following our novel slow step solid state sintering route. We observed a clean signature of enhanced multiferroic behavior in Gd doped bismuth ferrite (Gd-BFO) bulk ceramics at room temperature (RT). Bismuth rich iron deficient Gd-BFO ceramics were prepared...
The term entanglement is used in quantum theory to describe the way that particles of energy/matter can become correlated and predictably interact with each other regardless of how far apart they are. In future quantum entanglement will dominate the way we look at information, the way we communicate secretly and the way our computers do their things. Much current research is focusing on how to harness...
We propose a multiuser quantum key distribution system based on entanglement property which is simple, more efficient, cost effective and easy to implement in laboratory environment. Existing protocols uses base communication to provide security, as 50% of the time sender and receiver's base is not agreed there are 50% bit loss during key distribution but our protocol does not need the base communication...
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