Super-Zeno effect on an NMR Quantum Computer |
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>The super-Zeno effect can be used to freeze evolution of quantum states. Our group has achieved the first experimental demonstration of this effect on an NMR quantum computer. The image shows the reconstruction of a quantum state after a super-Zeno preserving sequence. More details in: Harpreet Singh, Arvind and Kavita Dorai, Physical Review A, 90, 052329 (2014). |
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Quantum Parity with an NMR Qutrit |
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A qutrit is a three-level quantum system and is the simplest system to exhibit contextuality. A quantum algorithm was recently proposed to find the parity of a permutation using a single qutrit. Our group has demonstrated the first experimental exploitation of a single qutrit to achieve a computational speedup on an NMR quantum computer. More details in Shruti Dogra, Arvind, Kavita Dorai, Physics Letters A, 378, 3452 (2014). |