Banerjee, Subhashish ; Chandrashekar, C. M. ; Pati, Arun K. (2013) Enhancement of geometric phase by frustration of decoherence: a Parrondo-like effect Physical Review A, 87 (4). Article ID 042119. ISSN 1050-2947
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Official URL: http://journals.aps.org/pra/abstract/10.1103/PhysR...
Related URL: http://dx.doi.org/10.1103/PhysRevA.87.042119
Abstract
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 a 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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 105462 |
| Deposited On: | 09 Mar 2018 11:41 |
| Last Modified: | 09 Mar 2018 11:41 |
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