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- Title
Ancilla-assisted measurements on quantum ensembles: general protocols and applications in NMR quantum information processing.
- Authors
Mahesh, T. S.; Shukla, Abhishek; Hegde, Swathi S.; Sudheer Kumar, C. S.; Katiyar, Hemant; Joshi, Sharad; Koteswara Rao, K. R.
- Abstract
Quantum ensembles form easily accessible architectures for studying various phenomena in quantum physics, quantum information science and spectroscopy. Here we review some recent protocols for measurements in quantum ensembles by utilizing ancillary systems. We also illustrate these protocols experimentally via nuclear magnetic resonance techniques. In particular, we shall review noninvasive measurements, extracting expectation values of various operators, characterizations of quantum states and quantum processes, and finally quantum noise engineering.
- Subjects
QUANTUM information science; NUCLEAR magnetic resonance; QUANTUM noise; QUANTUM theory; SPECTROMETRY
- Publication
Current Science (00113891), 2015, Vol 109, Issue 11, p1987
- ISSN
0011-3891
- Publication type
Article
- DOI
10.18520/cs/v109/i11/1987-1996