Enhancement of Geometric Phase by Frustration of Decoherence: A Parrondo like Effect
Banerjee, Subhashish · Chandrashekar, C. M. · Pati, Arun K.
Original · EN
Geometric phase plays an important role in evolution of pure or mixed quantum states. However, when a system undergoes decoherence the development of geometric phase may be inhibited. Here, we show that when a quantum system interacts with two competing environments there can be enhancement of geometric phase. This effect is akin to Parrondo like effect on the geometric phase which results from quantum frustration of decoherence. Our result suggests that the mechanism of two competing decoherence can be useful in fault-tolerant holonomic quantum computation.
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